Instructables: exploring - technology - science - featured http://www.instructables.com Mon, 25 Jul 2016 13:07:34 PDT BLOX v1.01 Fireproof Carbon Foam from Pyrolysed Bread http://www.instructables.com/id/Fireproof-Carbon-Foam-From-Pyrolysed-Bread/
Fireproof Carbon Foam from Pyrolysed Bread - More DIY How To Projects]]> http://cdn.instructables.com/F0M/IYKP/IQSABE8C/F0MIYKPIQSABE8C.SQUARE2.jpg http://cdn.instructables.com/F0M/IYKP/IQSABE8C/F0MIYKPIQSABE8C.SQUARE.jpg http://cdn.instructables.com/F0M/IYKP/IQSABE8C/F0MIYKPIQSABE8C.SMALL.gif arduinoversusevil Carbon foam has some very useful properties: It is an excellent thermal insulator.The fact that it's made from bread adds "much wow!" to a very simple process.You could conceivably cover you space rocket in these ablative tiles for re-entry. Because Science! NASA! Outer-space! Clickbait! Weld a st...
By: arduinoversusevil

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Mon, 18 Jul 2016 15:01:52 PDT
Simple Cartesian Diver http://www.instructables.com/id/Simple-Cartesian-Diver/
Simple Cartesian Diver - More DIY How To Projects]]> http://cdn.instructables.com/FG9/DK03/IQS4KIG5/FG9DK03IQS4KIG5.SQUARE2.jpg http://cdn.instructables.com/FG9/DK03/IQS4KIG5/FG9DK03IQS4KIG5.SQUARE.jpg http://cdn.instructables.com/FG9/DK03/IQS4KIG5/FG9DK03IQS4KIG5.SMALL.jpg ZekeF In this instructable I will walk you through the process of how I make a cartesian diver, or a bottle diver.The cartesian diver uses pressure (exerted by you) to make the diver sink and rise based on the amount of pressure applied to the water bottle. Supplies I have assembled a list of supplies ...
By: ZekeF

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Mon, 18 Jul 2016 12:04:37 PDT
World's Biggest Bath Bombs (Galaxy and Rainbow Colored) - 37lbs Each! For Charity http://www.instructables.com/id/Worlds-Biggest-Bath-Bombs-37lbs-Each-for-Charity/
World's Biggest Bath Bombs (Galaxy and Rainbow Colored) - 37lbs Each! For Charity - More DIY How To Projects]]> http://cdn.instructables.com/F04/L5N4/IQQUYOK7/F04L5N4IQQUYOK7.SQUARE2.jpg http://cdn.instructables.com/F04/L5N4/IQQUYOK7/F04L5N4IQQUYOK7.SQUARE.jpg http://cdn.instructables.com/F04/L5N4/IQQUYOK7/F04L5N4IQQUYOK7.SMALL.jpg Stemrise PurposeMy team and I created and detonated TWO 37lb bath bombs - galaxy-colored (inspired by this picture) and rainbow-colored - for your entertainment and for a good cause! We're using it to promote our back-to-school giveaway for 500+ low-income kids. Here is our campaign: https://www.generosity.c...
By: Stemrise

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Mon, 18 Jul 2016 08:02:11 PDT
Crayford Focuser http://www.instructables.com/id/Crayford-Focuser/
Crayford Focuser - More DIY How To Projects]]> http://cdn.instructables.com/FW2/EMNF/IQOQTFEW/FW2EMNFIQOQTFEW.SQUARE2.jpg http://cdn.instructables.com/FW2/EMNF/IQOQTFEW/FW2EMNFIQOQTFEW.SQUARE.jpg http://cdn.instructables.com/FW2/EMNF/IQOQTFEW/FW2EMNFIQOQTFEW.SMALL.jpg grtyvr One of my big complaints about all the entry level telescopes that I have tried (and many that are not entry level in price) is the focuser. So many inexpensive telescopes come with very cheap focusers. That is understandable since the companies are trying to create a product to a price point and ...
By: grtyvr

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Sun, 17 Jul 2016 23:39:28 PDT
DIY Telescope http://www.instructables.com/id/DIY-Telescope/
DIY Telescope - More DIY How To Projects]]> http://cdn.instructables.com/F2F/07O2/IQK3SD3S/F2F07O2IQK3SD3S.SQUARE2.jpg http://cdn.instructables.com/F2F/07O2/IQK3SD3S/F2F07O2IQK3SD3S.SQUARE.jpg http://cdn.instructables.com/F2F/07O2/IQK3SD3S/F2F07O2IQK3SD3S.SMALL.jpg ankitjajoo369 Many people use to love star gazing and love to observe celestial objects,but only some of us can afford a telescope of higher power.In this instructable I am going to tell you how to diy a refractor telescope. Material required 1-Bolt of big size (1 bolt)2-Bolt of medium size (10 bolt)3- Bolt of...
By: ankitjajoo369

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Wed, 13 Jul 2016 05:54:41 PDT
Making Graphene http://www.instructables.com/id/Making-Graphene/
Making Graphene - More DIY How To Projects]]> http://cdn.instructables.com/FF1/7YGE/IQIA6LTD/FF17YGEIQIA6LTD.SQUARE2.jpg http://cdn.instructables.com/FF1/7YGE/IQIA6LTD/FF17YGEIQIA6LTD.SQUARE.jpg http://cdn.instructables.com/FF1/7YGE/IQIA6LTD/FF17YGEIQIA6LTD.SMALL.jpg cgendron Everything is inspired by the work of this 1 person. https://www.youtube.com/user/RobertMurraySmith Grammarly was used to check for mistakes. https://app.grammarly.com/Graphene was first discovered in the late 1800's. It had a different name and they did not know what it was.This instructable is ...
By: cgendron

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Mon, 11 Jul 2016 19:33:50 PDT
DIY Digital Sextant http://www.instructables.com/id/DIY-Digital-Sextant/
DIY Digital Sextant - More DIY How To Projects]]> http://cdn.instructables.com/F3P/XGI9/IQFHJSYZ/F3PXGI9IQFHJSYZ.SQUARE2.jpg http://cdn.instructables.com/F3P/XGI9/IQFHJSYZ/F3PXGI9IQFHJSYZ.SQUARE.jpg http://cdn.instructables.com/F3P/XGI9/IQFHJSYZ/F3PXGI9IQFHJSYZ.SMALL.jpg ankur jajoo This instructable is to teach how to make a digital and manual sextant. this instrument is used to measure the angle between any two visible objects. The primary use of a sextant is to determine the angle between an astronomical object and the horizon for the purposes of celestial navigation. The de...
By: ankur jajoo

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Sun, 10 Jul 2016 10:47:11 PDT
DIY Make Light Bulb Smart Phone Projector At Home Easy Way http://www.instructables.com/id/DIY-Make-Light-Bulb-Smart-Phone-Projector-at-Home-/
DIY Make Light Bulb Smart Phone Projector At Home Easy Way - More DIY How To Projects]]> http://cdn.instructables.com/FJE/RS09/IQFCEA4L/FJERS09IQFCEA4L.SQUARE2.jpg http://cdn.instructables.com/FJE/RS09/IQFCEA4L/FJERS09IQFCEA4L.SQUARE.jpg http://cdn.instructables.com/FJE/RS09/IQFCEA4L/FJERS09IQFCEA4L.SMALL.jpg krazykred Requirements:Light BulbShoe BoxUSB SpeakersMobile Power BankCaution :Take care while handling blades and while breaking filamentLet's Get Started Preparing Light Bulb Remove the filament in the light bulb after removing wash it water and clean it you will get a clear bulb. Fixing the bulb to Sh...
By: krazykred

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Sat, 9 Jul 2016 09:34:27 PDT
DIY Telescope's Digital finderscope http://www.instructables.com/id/DIY-Telescope-Digital-Finderscope/
DIY Telescope's Digital finderscope - More DIY How To Projects]]> http://cdn.instructables.com/FYT/2L4J/IQ9RPAV9/FYT2L4JIQ9RPAV9.SQUARE2.jpg http://cdn.instructables.com/FYT/2L4J/IQ9RPAV9/FYT2L4JIQ9RPAV9.SQUARE.jpg http://cdn.instructables.com/FYT/2L4J/IQ9RPAV9/FYT2L4JIQ9RPAV9.SMALL.jpg ankur jajoo Some of us have telescopes and some of them are manual ones like Newtonian reflectors.sometimes its tiresome to find deepsky objects with those with a dobsonian non go to mount .In this Instructable i will show you how to make a digital finder for your telescope which will guide you better while sta...
By: ankur jajoo

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Wed, 6 Jul 2016 05:43:01 PDT
Recycled Newtonian Telescope http://www.instructables.com/id/Recycled-Newtonian-Telescope/
Recycled Newtonian Telescope - More DIY How To Projects]]> http://cdn.instructables.com/FIJ/S9Z7/IQ2KO7U7/FIJS9Z7IQ2KO7U7.SQUARE2.jpg http://cdn.instructables.com/FIJ/S9Z7/IQ2KO7U7/FIJS9Z7IQ2KO7U7.SQUARE.jpg http://cdn.instructables.com/FIJ/S9Z7/IQ2KO7U7/FIJS9Z7IQ2KO7U7.SMALL.jpg GabrielR58 Everyone likes to watch the stars and look at the moon in a clean night. But sometimes we want to see far away. We want to see it near. Then the humanity created the telescope!Todaywe have many kinds of telescopes, including the classic refractor and the Newtonian reflector. Here, in Brazil - where ...
By: GabrielR58

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Sun, 3 Jul 2016 07:00:46 PDT
Homemade Tripod Wedge for SCT telescope http://www.instructables.com/id/Homemade-Tripod-Wedge-for-SCT-Telescope/
Homemade Tripod Wedge for SCT telescope - More DIY How To Projects]]> http://cdn.instructables.com/FKN/AU8Z/IQ2ML8IF/FKNAU8ZIQ2ML8IF.SQUARE2.jpg http://cdn.instructables.com/FKN/AU8Z/IQ2ML8IF/FKNAU8ZIQ2ML8IF.SQUARE.jpg http://cdn.instructables.com/FKN/AU8Z/IQ2ML8IF/FKNAU8ZIQ2ML8IF.SMALL.jpg Multicopterdesign The storyI have owned a 4 inch telescope for over 30 years. I was never happy with the little tripod legs that came with it. I wanted something I could change with latitudes of various places.Off to the garage to see what I had on hand.. I looked at all the things I thought that would make a great...
By: Multicopterdesign

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Thu, 30 Jun 2016 19:47:37 PDT
Mousetrap Powered Boat http://www.instructables.com/id/Mousetrap-Powered-Boat/
Mousetrap Powered Boat - More DIY How To Projects]]> http://cdn.instructables.com/FTU/AKLB/IPZMQL7C/FTUAKLBIPZMQL7C.SQUARE2.jpg http://cdn.instructables.com/FTU/AKLB/IPZMQL7C/FTUAKLBIPZMQL7C.SQUARE.jpg http://cdn.instructables.com/FTU/AKLB/IPZMQL7C/FTUAKLBIPZMQL7C.SMALL.jpg StoneCreekTurnings My kids and I love playing with and building stuff that can move, doesn't matter if it is a car, plane or boat. Mouse trap powered cars are pretty common so I thought it would be fun to try something a bit different. Plus, it will mean playing in the stream behind my house which is always fun!Mate...
By: StoneCreekTurnings

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Thu, 30 Jun 2016 07:57:15 PDT
DIY Heart Sensor with Auto-Adjusted Threshold and Heart-Shaped LED Heartbeat Indicator http://www.instructables.com/id/Heart-Sensor-With-AutoAdjusted-Threshold-and-Heart/
DIY Heart Sensor with Auto-Adjusted Threshold and Heart-Shaped LED Heartbeat Indicator - More DIY How To Projects]]> http://cdn.instructables.com/F6U/JZ6Y/IPZPI1N4/F6UJZ6YIPZPI1N4.SQUARE2.jpg http://cdn.instructables.com/F6U/JZ6Y/IPZPI1N4/F6UJZ6YIPZPI1N4.SQUARE.jpg http://cdn.instructables.com/F6U/JZ6Y/IPZPI1N4/F6UJZ6YIPZPI1N4.SMALL.jpg ohoilett I am a Biomedical Engineering (BME) graduate student at Purdue University. As a BME, I really enjoy making quick and easy projects that highlight some sort of physiological quantity. Heart rate is such an activity. There are numerous projects that deal with detecting a person's heart beat all over t...
By: ohoilett

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Tue, 28 Jun 2016 21:31:49 PDT
Surber Sampler for Aquatic Invertebrates http://www.instructables.com/id/Surber-Sampler-for-Aquatic-Invertebrates/
Surber Sampler for Aquatic Invertebrates - More DIY How To Projects]]> http://cdn.instructables.com/F1O/952K/IPYC6211/F1O952KIPYC6211.SQUARE2.jpg http://cdn.instructables.com/F1O/952K/IPYC6211/F1O952KIPYC6211.SQUARE.jpg http://cdn.instructables.com/F1O/952K/IPYC6211/F1O952KIPYC6211.SMALL.jpg notsosharp Sampling the bugs (macroinvertebrates) that live in a stream provides valuable insights into the health of the stream.This is a great activity that children to adults can take part in! To collect the samples you will need a surber sampler. This instructable provides you with a way to make your own....
By: notsosharp

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Mon, 27 Jun 2016 15:14:41 PDT
Sampling Lake Bottom Sediments http://www.instructables.com/id/Sampling-Lake-Bottom-Sediments/
Sampling Lake Bottom Sediments - More DIY How To Projects]]> http://cdn.instructables.com/F6C/SF5F/IPY0LGJA/F6CSF5FIPY0LGJA.SQUARE2.jpg http://cdn.instructables.com/F6C/SF5F/IPY0LGJA/F6CSF5FIPY0LGJA.SQUARE.jpg http://cdn.instructables.com/F6C/SF5F/IPY0LGJA/F6CSF5FIPY0LGJA.SMALL.jpg notsosharp The sediments at the bottom of lakes accumulate over a long time. These sediments contain thousands of years of fossil remains. In 2003 the community around Cowley Lake asked us to explore the reason the lake level had dropped almost a meter over a three-year period. We decided to examine core sed...
By: notsosharp

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Mon, 27 Jun 2016 10:57:20 PDT
Space Laser Manual Go-To For Your Telescope http://www.instructables.com/id/Space-Laser-Manual-Go-To-for-Your-Telescope/
Space Laser Manual Go-To For Your Telescope - More DIY How To Projects]]> http://cdn.instructables.com/F49/8OYJ/IPLF38MP/F498OYJIPLF38MP.SQUARE2.jpg http://cdn.instructables.com/F49/8OYJ/IPLF38MP/F498OYJIPLF38MP.SQUARE.jpg http://cdn.instructables.com/F49/8OYJ/IPLF38MP/F498OYJIPLF38MP.SMALL.jpg Mark Rehorst A green laser is very useful for pointing out objects in the night sky. But how do you know what you're pointing at? If if you want to find something specific in the sky, how do you find it?A lot of people have telescopes without computerized go-to systems. It can be difficult to find specific ob...
By: Mark Rehorst

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Sat, 18 Jun 2016 21:25:00 PDT
Windmill Powered by Windmill http://www.instructables.com/id/Windmill-Powered-by-Windmill/
Windmill Powered by Windmill - More DIY How To Projects]]> http://cdn.instructables.com/F71/PB91/IPJZLDRN/F71PB91IPJZLDRN.SQUARE2.jpg http://cdn.instructables.com/F71/PB91/IPJZLDRN/F71PB91IPJZLDRN.SQUARE.jpg http://cdn.instructables.com/F71/PB91/IPJZLDRN/F71PB91IPJZLDRN.SMALL.jpg REchargeLabs This Instructable is to describe how to create a Dutch style windmill powered by a wind turbine with backup solar power. Gather Materials Materials Needed for the Circuit:1 Gear Motor1 Extender1/2 inch of medium size tubing1 Motor Attachment1 Turbine1 - 3 volt Solar PanelCardboard to build energ...
By: REchargeLabs

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Fri, 17 Jun 2016 10:14:09 PDT
Burning Words Into Wood With Electricity http://www.instructables.com/id/Burning-Words-Into-Wood-With-Electricity/
Burning Words Into Wood With Electricity - More DIY How To Projects]]> http://cdn.instructables.com/FZG/VKLB/IPIYQ0ZM/FZGVKLBIPIYQ0ZM.SQUARE2.jpg http://cdn.instructables.com/FZG/VKLB/IPIYQ0ZM/FZGVKLBIPIYQ0ZM.SQUARE.jpg http://cdn.instructables.com/FZG/VKLB/IPIYQ0ZM/FZGVKLBIPIYQ0ZM.SMALL.jpg austiwawa Burn Words into Wood with Electricity - Lichtenberg FiguresA while back I uploaded an Instructable explaining how to burn Lichtenberg figures into wood using an old microwave transformer. Now after doing a bit of experimenting I came up with a simple way that you can actually burn words into wood by...
By: austiwawa

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Thu, 16 Jun 2016 21:02:48 PDT
Flying Toilet Paper http://www.instructables.com/id/Flying-Toilet-Paper/
Flying Toilet Paper - More DIY How To Projects]]> http://cdn.instructables.com/F07/80RH/IPE6JEX4/F0780RHIPE6JEX4.SQUARE2.jpg http://cdn.instructables.com/F07/80RH/IPE6JEX4/F0780RHIPE6JEX4.SQUARE.jpg http://cdn.instructables.com/F07/80RH/IPE6JEX4/F0780RHIPE6JEX4.SMALL.jpg Cats Science Club Many years ago Fat Cat attended Space Camp for Educators. While there he met some amazing teachers from all over the country and learned many things about flight, rockets, and space. He wanted to learn more and started taking flying lessons to help quench that thirst for knowledge. To this day we ca...
By: Cats Science Club

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Tue, 14 Jun 2016 06:04:22 PDT
Inverted shadows: a polarization frame http://www.instructables.com/id/Inverted-Shadows-a-Polarization-Frame/
Inverted shadows: a polarization frame - More DIY How To Projects]]> http://cdn.instructables.com/FMZ/PNB0/IPEIE9CP/FMZPNB0IPEIE9CP.SQUARE2.jpg http://cdn.instructables.com/FMZ/PNB0/IPEIE9CP/FMZPNB0IPEIE9CP.SQUARE.jpg http://cdn.instructables.com/FMZ/PNB0/IPEIE9CP/FMZPNB0IPEIE9CP.SMALL.jpg Dr H βλέπομεν γὰρ ἄρτι δι' ἐσόπτρου ἐν αἰνίγματι (For now we see through a glass, darkly) 1 Corinthians 13:12Usually, if you place an object between a light source and the observer, it will block the light and cast a dark shadow. Here the object, which has to be transparent to some degree, allows l...
By: Dr H

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Thu, 2 Jun 2016 12:02:29 PDT
Plastic Smithing: How To Make your own HDPE Plastic Anything (DIY plastic lumber) http://www.instructables.com/id/HomemadePlastic/
Plastic Smithing: How To Make your own HDPE Plastic Anything (DIY plastic lumber) - More DIY How To Projects]]> http://cdn.instructables.com/FK0/IOR8/FM7WGPBJ/FK0IOR8FM7WGPBJ.SQUARE2.jpg http://cdn.instructables.com/FK0/IOR8/FM7WGPBJ/FK0IOR8FM7WGPBJ.SQUARE.jpg http://cdn.instructables.com/FK0/IOR8/FM7WGPBJ/FK0IOR8FM7WGPBJ.SMALL.jpg stasterisk How to make really good hard plastic while reusing and recycling plastic bags at home! Via this method, you can make ANYTHING you want to, out of hard, lightweight, real plastic that's astoundingly durable. It comes out very similar in texture to recycled plastic lumber. best of all, this method in...
By: stasterisk

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Wed, 15 Oct 2008 16:00:39 PDT
LIFE http://www.instructables.com/id/LIFE-3/
LIFE - More DIY How To Projects]]> http://cdn.instructables.com/FG5/Q8KO/IOSPBRZD/FG5Q8KOIOSPBRZD.SQUARE2.jpg http://cdn.instructables.com/FG5/Q8KO/IOSPBRZD/FG5Q8KOIOSPBRZD.SQUARE.jpg http://cdn.instructables.com/FG5/Q8KO/IOSPBRZD/FG5Q8KOIOSPBRZD.SMALL.jpg NoahH30 Sometimes life just slaps you right in the face. My physics partner and I have created this kinetic sculpture in an effort to represent this abstract phenomenon in an equally abstract artistic medium. The materials To recreate this artistic masterpiece, you will need:-one head (fake or real, per...
By: NoahH30

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Mon, 30 May 2016 22:49:05 PDT
DIY vacuum chamber for experiments http://www.instructables.com/id/DIY-Vacuum-Chamber-for-Experiments/
DIY vacuum chamber for experiments - More DIY How To Projects]]> http://cdn.instructables.com/FOO/Z8I1/IORH4Y4Q/FOOZ8I1IORH4Y4Q.SQUARE2.jpg http://cdn.instructables.com/FOO/Z8I1/IORH4Y4Q/FOOZ8I1IORH4Y4Q.SQUARE.jpg http://cdn.instructables.com/FOO/Z8I1/IORH4Y4Q/FOOZ8I1IORH4Y4Q.SMALL.jpg AlexGyver Aloha! In this instructable I want to tell you how to make a vacuum chamber and a vacuum pump for this chamber to carry on some crazy experiments!Also I made the video, and at the first half of it I will show some crazy experiments in vacuum, and at the next half I will show how to make a pump and a...
By: AlexGyver

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Sun, 29 May 2016 03:30:40 PDT
Watch Me Spin http://www.instructables.com/id/Watch-Me-Spin/
Watch Me Spin - More DIY How To Projects]]> http://cdn.instructables.com/FZ9/KCFW/IOPZDLZ2/FZ9KCFWIOPZDLZ2.SQUARE2.jpg http://cdn.instructables.com/FZ9/KCFW/IOPZDLZ2/FZ9KCFWIOPZDLZ2.SQUARE.jpg http://cdn.instructables.com/FZ9/KCFW/IOPZDLZ2/FZ9KCFWIOPZDLZ2.SMALL.jpg AwesomenessIsPresent It's a homopolar motor!!! I know what you are think, what's that? To put it simply, it is a battery on top or a magnet. Then having any copper wire design you like around it, touching the positive side of the battery and the magnets. We made ours to represent the love for the great outdoors. The T...
By: AwesomenessIsPresent

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Sat, 28 May 2016 07:03:45 PDT
Free Energy from Thin Air! http://www.instructables.com/id/Free-Energy-From-Thin-Air/
Free Energy from Thin Air! - More DIY How To Projects]]> http://cdn.instructables.com/FNN/C7P1/IOKBVZ5C/FNNC7P1IOKBVZ5C.SQUARE2.jpg http://cdn.instructables.com/FNN/C7P1/IOKBVZ5C/FNNC7P1IOKBVZ5C.SQUARE.jpg http://cdn.instructables.com/FNN/C7P1/IOKBVZ5C/FNNC7P1IOKBVZ5C.SMALL.jpg DrewPaulDesigns "Free energy from the air?, Yea, right!" Sardonic skepticism was my first reaction to this unusual concept, as well.Though, its not so far out there, in fact. Light can be converted to DC current with solar panels, electricity can be converted to magnetism as I did in my last article, in a microphon...
By: DrewPaulDesigns

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Tue, 24 May 2016 03:21:51 PDT
Demo Wave Model Kit http://www.instructables.com/id/Demo-Wave-Model-Kit/
Demo Wave Model Kit - More DIY How To Projects]]> http://cdn.instructables.com/FYN/3KME/IOELYXEU/FYN3KMEIOELYXEU.SQUARE2.jpg http://cdn.instructables.com/FYN/3KME/IOELYXEU/FYN3KMEIOELYXEU.SQUARE.jpg http://cdn.instructables.com/FYN/3KME/IOELYXEU/FYN3KMEIOELYXEU.SMALL.jpg jhunt22 Here are instructions on how to build a maker kit and your own private wave model. The project was designed to keep the costs of material and preparations down and be simple enough for anyone that can tie a knot and use a glue gun to build. Getting Started I was challenged to come up with a proj...
By: jhunt22

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Thu, 19 May 2016 11:50:22 PDT
Foam Cube Truss Bridge http://www.instructables.com/id/Foam-Cube-Truss-Bridge/
Foam Cube Truss Bridge - More DIY How To Projects]]> http://cdn.instructables.com/F6V/WGF9/IOCJ62PF/F6VWGF9IOCJ62PF.SQUARE2.jpg http://cdn.instructables.com/F6V/WGF9/IOCJ62PF/F6VWGF9IOCJ62PF.SQUARE.jpg http://cdn.instructables.com/F6V/WGF9/IOCJ62PF/F6VWGF9IOCJ62PF.SMALL.jpg Kto6Science For heavy car and railroad traffic, beam bridges are replaced by truss bridges. A truss bridge is a bridge that bears its weight through its truss system. A truss bridge is a type of bridge that carries its weight through its truss system. This truss system is composed of triangles and rectangles th...
By: Kto6Science

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Wed, 18 May 2016 10:13:14 PDT
How To Make a Mini Wave Model http://www.instructables.com/id/How-to-Make-a-Mini-Wave-Model/
How To Make a Mini Wave Model - More DIY How To Projects]]> http://cdn.instructables.com/F3O/4MB1/IOD4DU1M/F3O4MB1IOD4DU1M.SQUARE2.jpg http://cdn.instructables.com/F3O/4MB1/IOD4DU1M/F3O4MB1IOD4DU1M.SQUARE.jpg http://cdn.instructables.com/F3O/4MB1/IOD4DU1M/F3O4MB1IOD4DU1M.SMALL.jpg piersonb9 This is a great model for waves that move, reflect, stand, and wiggle, perfect for a starter project in classrooms learning about waves and motion.Concepts: waves, propagation, physics Time: Ranges from 30 minutes to an hourCost: $5Materials: Nut and bolt (2) Nuts (28) Candy sticks (seven 8...
By: piersonb9

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Wed, 18 May 2016 09:47:28 PDT
Print your heart : 3D Models for Cardiac Valve Disease http://www.instructables.com/id/Print-Your-Heart-3D-Models-for-Cardiac-Valve-Disea/
Print your heart : 3D Models for Cardiac Valve Disease - More DIY How To Projects]]> http://cdn.instructables.com/F9A/QW12/IOCE88BE/F9AQW12IOCE88BE.SQUARE2.jpg http://cdn.instructables.com/F9A/QW12/IOCE88BE/F9AQW12IOCE88BE.SQUARE.jpg http://cdn.instructables.com/F9A/QW12/IOCE88BE/F9AQW12IOCE88BE.SMALL.jpg gporetti The problem3D echocardiography has rapidly become the standard in the evaluation of patients with valve disease. This technique provides a new window for heart evaluation, not only for the cardiologist, but also for other medical doctors involved in the management of patients suffering from heart di...
By: gporetti

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Wed, 18 May 2016 08:59:21 PDT
A simple funny physics experiment http://www.instructables.com/id/A-Simple-Funny-Physics-Experiment/
A simple funny physics experiment - More DIY How To Projects]]> http://cdn.instructables.com/FVG/QWOV/INUV0AIG/FVGQWOVINUV0AIG.SQUARE2.jpg http://cdn.instructables.com/FVG/QWOV/INUV0AIG/FVGQWOVINUV0AIG.SQUARE.jpg http://cdn.instructables.com/FVG/QWOV/INUV0AIG/FVGQWOVINUV0AIG.SMALL.jpg Dr H How to get some liquid out of a bottomless bottle without turning it?A simple do-this-at-home experimentThis Instructable is based on an accidental observation. It might take a scientist to find things like this funny, but maybe you do as well. And given, you are working in theoretical or experiment...
By: Dr H

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Fri, 6 May 2016 08:38:57 PDT
Making Lichtenberg Figures in Wood http://www.instructables.com/id/Making-Lichtenberg-Figures-in-Wood/
Making Lichtenberg Figures in Wood - More DIY How To Projects]]> http://cdn.instructables.com/FBG/F25M/INPE8DYK/FBGF25MINPE8DYK.SQUARE2.jpg http://cdn.instructables.com/FBG/F25M/INPE8DYK/FBGF25MINPE8DYK.SQUARE.jpg http://cdn.instructables.com/FBG/F25M/INPE8DYK/FBGF25MINPE8DYK.SMALL.jpg austiwawa Lichtenberg Figures! Burning fractal images into wood!In this Instructable I will be showing you how you can burn some amazing fractal images into wood. This project is cheap and it might not even cost you anything! All you need is an old microwave. Let's get started. Watch the Video! https://ww...
By: austiwawa

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Mon, 2 May 2016 17:43:32 PDT
A Beam Bridge Science Project http://www.instructables.com/id/A-Beam-Bridge-Science-Project/
A Beam Bridge Science Project - More DIY How To Projects]]> http://cdn.instructables.com/FHQ/JC3Y/INPE6QEB/FHQJC3YINPE6QEB.SQUARE2.jpg http://cdn.instructables.com/FHQ/JC3Y/INPE6QEB/FHQJC3YINPE6QEB.SQUARE.jpg http://cdn.instructables.com/FHQ/JC3Y/INPE6QEB/FHQJC3YINPE6QEB.SMALL.jpg Kto6Science Beam bridges are everywhere. Today, we're going to build a beam bridge and learn about the two different forces that act on a bridge.The compressive force is a force that compresses or shortens the thing it is acting on. The tensile force is a force that expands or lengthens the section it is acting...
By: Kto6Science

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Mon, 2 May 2016 11:01:46 PDT
Temperature Controlled Box for Laboratory Measurements http://www.instructables.com/id/Temperature-Controlled-Box-for-Laboratory-Measurem/
Temperature Controlled Box for Laboratory Measurements - More DIY How To Projects]]> http://cdn.instructables.com/FL1/MZWQ/INI7SCKE/FL1MZWQINI7SCKE.SQUARE2.jpg http://cdn.instructables.com/FL1/MZWQ/INI7SCKE/FL1MZWQINI7SCKE.SQUARE.jpg http://cdn.instructables.com/FL1/MZWQ/INI7SCKE/FL1MZWQINI7SCKE.SMALL.jpg BerkleyW I am a plant scientist that studies what happens to plants at different temperatures. I am doing some experiments where I need to measure the plants at 25 and 35 degrees C (77 and 95 degrees F) but don't have continual access to a temperature-controlled chamber. Major props go to James Bruce's proje...
By: BerkleyW

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Wed, 27 Apr 2016 03:33:34 PDT
Instant Color Change Experiment | Iodine Clock Reaction http://www.instructables.com/id/Instant-Color-Change-Experiment-Iodine-Clock-React/
Instant Color Change Experiment | Iodine Clock Reaction - More DIY How To Projects]]> http://cdn.instructables.com/FLG/2DM6/INF9GC2O/FLG2DM6INF9GC2O.SQUARE2.jpg http://cdn.instructables.com/FLG/2DM6/INF9GC2O/FLG2DM6INF9GC2O.SQUARE.jpg http://cdn.instructables.com/FLG/2DM6/INF9GC2O/FLG2DM6INF9GC2O.SMALL.jpg RussianDude In this project, we will turn almost clear liquid into the dark in the blink of an eye. It takes a little preparation, and possible trip to the pharmacy, but it's worth it.https://youtu.be/cB87Cyxqtg8 So here's what we need 2 transparent glasses2 small plastic cups Any container with warm water ...
By: RussianDude

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Mon, 25 Apr 2016 00:43:30 PDT
An inexpensive Photometer and Colorimeter http://www.instructables.com/id/An-Inexpensive-Photometer-and-Colorimeter/
An inexpensive Photometer and Colorimeter - More DIY How To Projects]]> http://cdn.instructables.com/FSS/E7DX/IPET3INW/FSSE7DXIPET3INW.SQUARE2.jpg http://cdn.instructables.com/FSS/E7DX/IPET3INW/FSSE7DXIPET3INW.SQUARE.jpg http://cdn.instructables.com/FSS/E7DX/IPET3INW/FSSE7DXIPET3INW.SMALL.jpg Dr H Version 08-May-2016What is this instructable about?The aim of this project was to construct a simple and inexpensive device that allows the measurement of the color composition of a solution, i.e. a colorimeter, and/or its optical density, i.e. a photometer.It is intended be an educational tool for ...
By: Dr H

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Sat, 23 Apr 2016 10:20:02 PDT
Pizza Solar Oven http://www.instructables.com/id/Pizza-Solar-Oven/
Pizza Solar Oven - More DIY How To Projects]]> http://cdn.instructables.com/F71/LMYW/IN7QR7O9/F71LMYWIN7QR7O9.SQUARE2.jpg http://cdn.instructables.com/F71/LMYW/IN7QR7O9/F71LMYWIN7QR7O9.SQUARE.jpg http://cdn.instructables.com/F71/LMYW/IN7QR7O9/F71LMYWIN7QR7O9.SMALL.jpg JeffreyL_KarrinH The world's resources are quickly depleting, and soon we will run out of the precious fossil fuels controlling nations across the globe. However, there is a solution to the exponentially growing problem of resource scarcity - renewable energy. Renewable energy is often categorized as "clean energy" ...
By: JeffreyL_KarrinH

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Tue, 19 Apr 2016 12:48:52 PDT
Bismuth Eggs http://www.instructables.com/id/Bismuth-Eggs/
Bismuth Eggs - More DIY How To Projects]]> http://cdn.instructables.com/FWO/ZPOB/IN69B074/FWOZPOBIN69B074.SQUARE2.jpg http://cdn.instructables.com/FWO/ZPOB/IN69B074/FWOZPOBIN69B074.SQUARE.jpg http://cdn.instructables.com/FWO/ZPOB/IN69B074/FWOZPOBIN69B074.SMALL.jpg davidstay In this project I will show you how to make bismuth egg geodes. You will need:2lbs of BismuthEggshells, blown, washed, and dried.Pliers,Aluminum crucible,Propane torch,Oven mitts.This process is dangerous. We will be using molten metal. Please wear eye protection. Melting Bismuth Bismuth melts...
By: davidstay

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Mon, 18 Apr 2016 22:01:19 PDT
Making a Balance Electroscope http://www.instructables.com/id/Making-a-Balance-Electroscope/
Making a Balance Electroscope - More DIY How To Projects]]> http://cdn.instructables.com/FNT/SPJU/IMYUF6S7/FNTSPJUIMYUF6S7.SQUARE2.jpg http://cdn.instructables.com/FNT/SPJU/IMYUF6S7/FNTSPJUIMYUF6S7.SQUARE.jpg http://cdn.instructables.com/FNT/SPJU/IMYUF6S7/FNTSPJUIMYUF6S7.SMALL.jpg Urnammu A balance electroscope consists of a beam, in this case a straw, pivoting on a needle in a horizontal plane. It is used to test if an object is electrically charged. It is not intended for quantitative measurements. It operates on the principle of electrostatic induction and can be used to demonstra...
By: Urnammu

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Wed, 13 Apr 2016 07:08:27 PDT
The Secret of Neocube http://www.instructables.com/id/The-Secret-of-Neocube/
The Secret of Neocube - More DIY How To Projects]]> http://cdn.instructables.com/F21/5EGA/IMXXY4ZA/F215EGAIMXXY4ZA.SQUARE2.jpg http://cdn.instructables.com/F21/5EGA/IMXXY4ZA/F215EGAIMXXY4ZA.SQUARE.jpg http://cdn.instructables.com/F21/5EGA/IMXXY4ZA/F215EGAIMXXY4ZA.SMALL.jpg modeverythingman Have you ever noticed when you use your Neocube magnets, that they can be in two types of configurations? The lines can be perfectly parallel, but they can also be staggered. You may think that your Neocube magnets are just weird, but if you think carefully, it proves to be perfectly logical for thi...
By: modeverythingman

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Tue, 12 Apr 2016 17:05:45 PDT
Mini Water Distiller http://www.instructables.com/id/Mini-Water-Distiller/
Mini Water Distiller - More DIY How To Projects]]> http://cdn.instructables.com/FMW/7H27/IMK6498O/FMW7H27IMK6498O.SQUARE2.jpg http://cdn.instructables.com/FMW/7H27/IMK6498O/FMW7H27IMK6498O.SQUARE.jpg http://cdn.instructables.com/FMW/7H27/IMK6498O/FMW7H27IMK6498O.SMALL.jpg rohanmenon Distillation is a sure way to remove all contaminants from dirty water. It works by boiling water into steam and the condensing the steam later on. Since all contaminants do not evaporate, you get clean water out. A problem with distillation is that it is hard to do on a small scale because often a ...
By: rohanmenon

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Sun, 3 Apr 2016 11:58:34 PDT
Scrappy Science Caddy http://www.instructables.com/id/Scrappy-Science-Caddy/
Scrappy Science Caddy - More DIY How To Projects]]> http://cdn.instructables.com/FPB/9CWC/IMJGABH0/FPB9CWCIMJGABH0.SQUARE2.jpg http://cdn.instructables.com/FPB/9CWC/IMJGABH0/FPB9CWCIMJGABH0.SQUARE.jpg http://cdn.instructables.com/FPB/9CWC/IMJGABH0/FPB9CWCIMJGABH0.SMALL.jpg kkingsbury This is an instructable for a data acquisition box using a Raspberry Pi and depending on the MCP3008 8-Channel 10-Bit ADC With SPI Interface (https://www.adafruit.com/product/856). It's purpose is to help with data collection and plotting that data (using the free tool gnuplot), a series of buttons ...
By: kkingsbury

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Sat, 2 Apr 2016 13:44:49 PDT
Lemon Battery http://www.instructables.com/id/Lemon-Battery-2/
Lemon Battery - More DIY How To Projects]]> http://cdn.instructables.com/FK0/Q7CZ/IMDZ8B4N/FK0Q7CZIMDZ8B4N.SQUARE2.jpg http://cdn.instructables.com/FK0/Q7CZ/IMDZ8B4N/FK0Q7CZIMDZ8B4N.SQUARE.jpg http://cdn.instructables.com/FK0/Q7CZ/IMDZ8B4N/FK0Q7CZIMDZ8B4N.SMALL.jpg Breerito This project is to demonstrate the amount of electricity exerted from four lemons that can power LEDs. Gather Materials Gather-Four lemons-Five alligator clips-Four pennies from before 1982 so they're copper plated.-Four galvanized (iron coated) screws or nails. (Screws are featured in this pict...
By: Breerito

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Wed, 30 Mar 2016 08:55:57 PDT
Make Piezo Generator! http://www.instructables.com/id/Make-Piezo-Generator/
Make Piezo Generator! - More DIY How To Projects]]> http://cdn.instructables.com/F97/0HYO/ILZG5SSY/F970HYOILZG5SSY.SQUARE2.jpg http://cdn.instructables.com/F97/0HYO/ILZG5SSY/F970HYOILZG5SSY.SQUARE.jpg http://cdn.instructables.com/F97/0HYO/ILZG5SSY/F970HYOILZG5SSY.SMALL.jpg dkdls09 Using a piezoelectric element can make a piezoelectric generator.- piezoelectric- wire- LED- Sticker A, B Wires connected to the piezoelectric. 1. Fitted with a wire on the piezoelectric.2. Fitted with sticker(A) on the wire.3. Fitted with sticker(B) on the sticker(A). Press the piezoelectric....
By: dkdls09

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Sun, 20 Mar 2016 01:27:17 PDT
Measuring Bacterial Growth by Quantitative Chloroplast Estimation http://www.instructables.com/id/Measuring-Bacterial-Growth-by-Quantitative-Chlorop/
Measuring Bacterial Growth by Quantitative Chloroplast Estimation - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FKW/2EMX/ILY0PLJ3/FKW2EMXILY0PLJ3.SQUARE2.jpg http://www.instructables.com/files/deriv/FKW/2EMX/ILY0PLJ3/FKW2EMXILY0PLJ3.SQUARE.jpg http://www.instructables.com/files/deriv/FKW/2EMX/ILY0PLJ3/FKW2EMXILY0PLJ3.SMALL.jpg SK4104 Introduction This set of instructions explains how to measure the number of chloroplasts in a given amount of solution. The measurements can be extrapolated to determine the amount of growth in bacteria. Bacterial cultures grow at different rates depending on their concentration. At first, when ther...
By: SK4104

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Sat, 19 Mar 2016 07:25:16 PDT
Smart Plants http://www.instructables.com/id/Smart-Plants/
Smart Plants - More DIY How To Projects]]> http://cdn.instructables.com/F51/GL1A/ILPI84M9/F51GL1AILPI84M9.SQUARE2.jpg http://cdn.instructables.com/F51/GL1A/ILPI84M9/F51GL1AILPI84M9.SQUARE.jpg http://cdn.instructables.com/F51/GL1A/ILPI84M9/F51GL1AILPI84M9.SMALL.jpg altair1016 Which problem do we want to solve ?Sometimes our plants are not irrigated. Maybe we forget, maybe distance could be a problem...Our Solution: For that reason we created Smart Plant, which is a watering system that allows to control, in real time, the state of our plants. The system is controlled by ...
By: altair1016

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Tue, 15 Mar 2016 12:14:55 PDT
How to Grow Salt Crystals! http://www.instructables.com/id/How-to-Grow-Salt-Crystals/
How to Grow Salt Crystals! - More DIY How To Projects]]> http://cdn.instructables.com/FTC/KXOK/ILQTH7DY/FTCKXOKILQTH7DY.SQUARE2.jpg http://cdn.instructables.com/FTC/KXOK/ILQTH7DY/FTCKXOKILQTH7DY.SQUARE.jpg http://cdn.instructables.com/FTC/KXOK/ILQTH7DY/FTCKXOKILQTH7DY.SMALL.jpg AmyKarle Growing salt crystals on objects to make interesting art forms or for a simple science experiment is easy and fun! Here I'll share how to grow crystals on 3D printed lattices and structures, but you can grow crystals on most anything you can imagine... or just on themselves.This process is easy and...
By: AmyKarle

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Sat, 12 Mar 2016 18:37:45 PST
How to find the area over an interval using integrals. http://www.instructables.com/id/How-to-Find-the-Area-Over-an-Interval-Using-Integr/
How to find the area over an interval using integrals. - More DIY How To Projects]]> http://cdn.instructables.com/FV3/D8KJ/ILJWLT61/FV3D8KJILJWLT61.SQUARE2.jpg http://cdn.instructables.com/FV3/D8KJ/ILJWLT61/FV3D8KJILJWLT61.SQUARE.jpg http://cdn.instructables.com/FV3/D8KJ/ILJWLT61/FV3D8KJILJWLT61.SMALL.gif CodyS88 In this instuctable, you will be able to learn how to find the area under the curve using integrals. Materials PaperPencilCalculatorEquationInterval Know the standard form for integrals. The standard form for integrals is in the picture provided. Come up with an equation. For example, lets...
By: CodyS88

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Thu, 10 Mar 2016 07:28:17 PST
Grasping Gravitational Waves: Augmented Reality Robots teach physics fundamentals to children and adults alike http://www.instructables.com/id/Grasping-Gravitational-Waves-Augmented-Reality-Rob/
Grasping Gravitational Waves: Augmented Reality Robots teach physics fundamentals to children and adults alike - More DIY How To Projects]]> http://cdn.instructables.com/FMB/EI2V/ILA1A8FC/FMBEI2VILA1A8FC.SQUARE2.jpg http://cdn.instructables.com/FMB/EI2V/ILA1A8FC/FMBEI2VILA1A8FC.SQUARE.jpg http://cdn.instructables.com/FMB/EI2V/ILA1A8FC/FMBEI2VILA1A8FC.SMALL.gif SteveMann Make invisible gravitational waves, radio waves, sound waves, etc., graspable and more comprehensible with AR (Augmented Reality) robotics using a simple device I invented at the age of 12, in 1974. This device is so simple that a child can build it, yet by combining it with robotics, it can provid...
By: SteveMann

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Tue, 1 Mar 2016 20:39:54 PST
Beats by Luke and Jason O. (DIY HEADPHONES) http://www.instructables.com/id/Beats-by-Luke-and-Jason-O-DIY-HEADPHONES/
Beats by Luke and Jason O. (DIY HEADPHONES) - More DIY How To Projects]]> http://cdn.instructables.com/FNO/QOM2/IL6XI2DG/FNOQOM2IL6XI2DG.SQUARE2.jpg http://cdn.instructables.com/FNO/QOM2/IL6XI2DG/FNOQOM2IL6XI2DG.SQUARE.jpg http://cdn.instructables.com/FNO/QOM2/IL6XI2DG/FNOQOM2IL6XI2DG.SMALL.jpg Jason_Borja Hello everybody, this instructable is about how to make a headphone, or a speaker. Hope everyone enjoys! Gathering Materials A cup, (preferably plastic) Scissors An mp3 player or mp4 28 gauge insulated copper wire Elmer's Washable Glue Stick Sticky notes Scotch 35 Blue Vinyl...
By: Jason_Borja

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Sun, 28 Feb 2016 21:36:47 PST
How to build a Tesla Coil http://www.instructables.com/id/How-to-build-a-Tesla-Coil/
How to build a Tesla Coil - More DIY How To Projects]]> http://cdn.instructables.com/FS6/P585/FVS7L8WI/FS6P585FVS7L8WI.SQUARE2.jpg http://cdn.instructables.com/FS6/P585/FVS7L8WI/FS6P585FVS7L8WI.SQUARE.jpg http://cdn.instructables.com/FS6/P585/FVS7L8WI/FS6P585FVS7L8WI.SMALL.jpg DevCoder This Instructable will walk you through building a medium sized Tesla coil. DANGER Unlike some other high voltage experiments, a Tesla coil's streamers can be very harmful. If you are shocked by the streamers, you will not feel pain, but your circulatory and nervous system can sustain severe dama...
By: DevCoder

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Sat, 18 Apr 2009 18:44:09 PDT