Electromagnetic attraction

The site in exasperating to use. I tried to past my question but it doesn't work either, so I attached it. Please let me know. Thanks.

Topic by Bretina 5 years ago  |  last reply 5 years ago


What is an electrostatic attraction? Answered

Question by LocketRocket 8 years ago  |  last reply 8 years ago


Some "Attractive" Questions

I've been thinking for a bit, and  I have some questions on magnetism. Question 1: Is molten metal magnetic?  If you place a magnet over a molten metal like iron for example, will it be attracted to the magnet? Question 2: If diamagnetism can be used to repel water, can you use nagnets to slow down or even stop the speed of drainage if the magnet is strong enough? That is all. Thank you.

Question by Fizzxwizz 9 years ago  |  last reply 9 years ago


LED Lights don't attract bugs

Everyone hates the bugs that gather around lamps and other lights. Everyone loves LEDs. Apparently LED light bulbs don't attract the bugs the same way as incandescent and fluorescent bulbs do, as they don't put out UV light.Check it out:http://energycircle.com/blog/2009/06/16/newsflash-leds-dont-attract-bugs/

Topic by Weissensteinburg 9 years ago  |  last reply 7 years ago


Calculate magnet repulsive force?

I'm looking to make a "floating" model by insetting NdFeB rare-earth magnets with same poles facing so they repel. Now, magnet selling places specify the "pull" a magnet might have, say 1.2kg. What I would like to know is if the repel is equal in magnitude as the pull if two similar magnets are placed with same poles facing, is the force exerted 1.2kg and so I could float 1.2kg of stuff? Also, does stacking magnets double the attractive or repelling force, i.e. do two 1.2kg magnets stuck together lift 2.4kg of stuff, negating the small difference in distance of one magnet from the object? Is there a way to calculate the distance between two opposing magnets with a force applied. Does it follow the inverse cube rule? And if the stacking does work, do I also need an equal number of magnets on the other side for repelling, i.e. a stack of two 1.2kg magnets repels 2.4kg with one 1.2kg on the other side, or not? Does the magnet on the other side have to be the same force? Lots of questions but hoping someone can shed some light on this as I've not been able to find anything about it :-(

Topic by chiok 10 years ago  |  last reply 3 years ago


How to catch animal expect bugs, spiders and frogs with 100% success?

Hi, i living in Bosnia and Herzegowina in Southeast Europe (probably you heared for that country if you are living in USA, Barrack Obama loves us!). I live in city usually (not my house), but on holidays in my village (something like mountain). I readed a lot off books at home about animals, and i love animals. I like to watch them, play with them, take photo of them...) and because i am living in village with my old parents both more than 60 years :P and my brother I cant play with anyone expect animals. My brother is lazy and just plays some games like CS and Tetris on laptop and doesn't like experiments and animals. I am 16 years old. I have seen lot off animals in my mini forest at my property and at forest near my property lot off animals like: birds, bats, frogs, bugs and i rarely i have seen: rabbit, wolf, wild pig, squirrel... So how to attract and catch any animal easy with 100% success without buying any trap expect buying something really cheap under 3$ or using something found in forest? (BUT SOMETHING AS LITTLE AS POSSIBLE SO THAT MY FATHER WONT RECOGNIZE TRAP, I WANT TO CATCH ANY ANIMAL EXPECT BUGS, SPIDERS, FROGS).AT LEAST A BIRD EVEN IN WINTER HOW TO CATCH? I DONT WANT THE TRAP SEEN BY MY FATHER NOT BIGGER THAN BALL. I WILL NOT HURT BIRDS BUT JUST WANT TO PICTURE WITH THEM AND I WILL RLEASE IT AFTER SOME PLAYING AND TAKING A PICTURE. SO IF YOU DONT KNOW ANSWER DONT SAY ANY COMPLIMENTS!!! I DONT HAVE PLANT FOR MAKING BIRD LIME AND I THINK MOUSE TRAP IS TOO EXPENSIVE!

Question by h0meIandsecurity 8 years ago  |  last reply 7 years ago


How bright (and what colour) does a light have to be before it will distract / confuse / attract moths at night?

How bright does a light have to be before it will distract / confuse / attract moths at night? What is the best colour of light? Would "white" LEDs do the job, or would UV LEDs work better? How many?

Question by Kiteman 9 years ago  |  last reply 8 years ago


Does a magnet get attracted... Answered

Does a magnet get attracted to another magnet outside of the glass of acid while the first magnet is inside the acid?

Question by Mr.Science Projects 7 years ago  |  last reply 7 years ago


Phytoplankton and Zooplankton to attract fish?

I have recently heard things about using Phytoplankton/Zooplankton to attract minnows and other small fish. Can anyone explain how one would go about doing this and how long would the process take? Would this be a practical way of attracting minnows to catch and use as fishing bait?

Question by justcuriousat46 10 years ago


What Makes a Laptop Attractive?

Asus, a sponsor of Instructables, has put together WePC where they are asking for input on their next generation laptops. As part of their sponsorship, they've asked my opinion on various aspects of laptops. Most recently What Makes a Laptop Attractive?What makes a laptop attractive to you? Head over to see my answer and leave your thoughts.

Topic by ewilhelm 10 years ago  |  last reply 10 years ago


How to attract and catch wild animals ?

Hi, i living in Bosnia and Herzegowina in Southeast Europe (probably you heared for that country if you are living in USA, Barrack Obama loves us!). I live in city usually (not my house), but on holidays in my village (something like mountain). I readed a lot off books at home about animals, and i love animals. I like to watch them, play with them, take photo of them...) and because i am living in village with my old parents both more than 60 years :P and my brother I cant play with anyone expect animals. My brother is lazy and just plays some games like CS and Tetris on laptop and doesn't like experiments and animals. I am 16 years old. I have seen lot off animals in my mini forest at my property and at forest near my property lot off animals like: birds, bats, frogs, bugs and i rarely i have seen: rabbit, wolf, wild pig, squirrel... So how to attract and catch any animal easy with 100% success without buying any trap expect buying something really cheap under 3$ or using something found in forest? (BUT SOMETHING AS LITTLE AS POSSIBLE SO THAT MY FATHER WONT RECOGNIZE TRAP, I WANT TO CATCH ANY ANIMAL EXPECT BUGS, SPIDERS, FROGS).AT LEAST A BIRD EVEN IN WINTER HOW TO CATCH? I DONT WANT THE TRAP SEEN BY MY FATHER NOT BIGGER THAN BALL. I WILL NOT HURT BIRDS BUT JUST WANT TO PICTURE WITH THEM AND I WILL RLEASE IT AFTER SOME PLAYING AND TAKING A PICTURE. SO IF YOU DONT KNOW ANSWER DONT SAY ANY COMPLIMENTS!!!

Question by h0meIandsecurity 8 years ago  |  last reply 7 years ago


can you make two electromagnets attract?

Just wondering. because they are like permanent magnets when used right? and can you make them repel? cause that would be a cool point maglev system

Question by bufalloo 10 years ago  |  last reply 10 years ago


Webdesign / Attractive, smart, effective webdesign service

Hello to all you instructable people. Firstly, this is my first post and I want to say, what an amazing website, i cant believe its taking me this long to find this site. I haven't closed the tab for this site all day. So many interesting read, projects and ideas. And the community seems to be real nice. Many forums i visit are horrible places with kids swearing and arguing with each other. Secondly, IM offering my webdesign services to the community. Perhaps you want to showcase your projects on your own site. Certainly looks proffesional if you have your own website to show to interviewers or potential clients. Or maybe you want to sell your instructables? I have a package which will set you up with a fully functioning ecommerce website. Allowing you to add your own items to sell with ease. Bronze Package($59): 3 PAGE BESPOKE WEBSITE PICTURE GALLERY VIDEO PLAYER FORM SUBMISSION DOMAIN & HOSTING FOR A YEAR SOCIAL NETWORKING INTEGRATION SEARCH ENGINE OPTMISATION GOOGLE MAPS AND GOOGLE PLACES INTERGRATED EMAIL SETUP Silver Package ($99): 5 PAGE BESPOKE WEBSITE PICTURE GALLERY VIDEO PLAYER FORM SUBMISSION DOMAIN & HOSTING FOR A YEAR SOCIAL NETWORKING INTERGRATION SEARCH ENGINE OPTIMIZATION GOOGLE MAPS AND GOOGLE PLACES INTERGRATED PAYPAL SHOP (SELL YOUR PRODUCTS ON YOUR WEBSITE) EMAIL SETUP Gold Package$149: 10 PAGE BESPOKE ECOMMERCE WEBSITE PICTURE GALLERY VIDEO PLAYER FORM SUBMISSION DOMAIN & HOSTING FOR A YEAR SOCIAL NETWORKING INTERGRATION SEARCH ENGINE OPTMISATION GOOGLE MAPS AND GOOGLE PLACES INTER GRATED EMAIL SETUP LOGO DESIGN, ORIGINAL, UNIQUE LOGO TO CATCH THE EYE OF YOUR CUSTOMERS AND REPRESENT YOUR BUSINESS THIS PACKAGE IS DESIGNED FOR A COMPANY OR BUSINESS THAT WANT TO EXPAND THERE SHOP/PRODUCT AND START SELLING ON THE WEB WITH A FULLY FUNCTIONING ECOMMERCE SITE EXAMPLE:http://www.eeventical.com/ Whatever your needs I can cater for them. www.superdecwebdesign.com Contact me at grbmedia@live.co.uk Many thanks George

Topic by tidyredline 7 years ago


do girls let guys the find "attractive" into the "friend zone"?? Answered

or is it for only guys they dont find attractive?

Question by DELETED_DELETED_kruser495 7 years ago  |  last reply 7 years ago


will a fancy sign attract more coustomers than a plain sign?

Will a fancy sign attract more coustomers than a plain sign?

Question by winslow121 9 years ago  |  last reply 9 years ago


Can magnet attract iron over longer distances like 1 meter?

Can magnet attract over longer distances like 1 meter if yes then how much powerful means in width , length , type of magnet do i need to attract 2kg of iron ball over a distance of 1 meter ?

Question by MuhammadK19 2 years ago  |  last reply 2 years ago


Which reasonably attainable chemical best attracts electrons? Answered

I'm building a secret project, but I need a chemical that can attract electrons. It has to be easily attainable, relatively cheap, and it can't easily hurt me. I think that my question, is (if possible), which safe chemical is the best at attracting electrons? If one wouldn't have a noticeable effect under those parameters, is there one that would be noticeable at all?

Question by kaddyshack 7 years ago  |  last reply 7 years ago


Vacant Buildings Painted Blue, Become Tourist Attraction

Some derelict buildings in Rotterdam have just been sitting around awaiting demolition when someone had the brilliant idea to paint them a bright blue. Now they've become a tourist attraction.It's almost as if this was a case of Sim City coming to life where troubled areas start getting color coded. Related:In San Francisco, the vacant Hugo Hotel was converted into an art installation 11 years ago:http://www.flickr.com/photos/tags/hugohotel/ linkvia Neatorama

Topic by fungus amungus 11 years ago  |  last reply 11 years ago


HOW TO BUILD A FREQUENCY GENERATOR TO REPEL or ATTRACT MOSQUITOES ?

Interested in knowing how to repel mosquitos using a frequency generator. Or can someone guide me in building a frequency generator to attaract mosquitoes (not kidding) so that i can lure them into a trap and kill them. Looking for genuine answers please.

Question by ramki695 9 years ago  |  last reply 7 years ago


What's the most eye-catching / attractive Instructable you have ever seen?

Something that really impresses you.

Question by mikedu 9 years ago  |  last reply 9 years ago


can there be a electrostatic floor cleaner ?? .....important question. isn't it.? Answered

Electrostatic force attract objects......when we rub plastic with hair it attracts tiny bits of paper.....also it attracts dust and dirt ...so can there be a possible dust cleaner which using electrostatic force and  can clean our floor or something??there is only air cleaner otherwise

Question by arihant 8 years ago  |  last reply 8 years ago


can we use the magnetic attraction and repulsion in petrol engine? Answered

Instead of using compressing of gas using  combustion and passing gas and using spark plugs ..... shall we use a dipole magnet in the place of spark plug and and a magnetic piston with a pole on top side.if we rotate the magnet at the spark plug place ,when the opposite pole comes down .......the piston due to attractive force goes up and when like pole comes up it will get repulsed and goes down by this crank can be rotated.this is basically based on the principle of magnetic attraction and repulsion........ i am just a college student its just an idea that came into my mind......please say whether it is possible or not...

Question by Ramadossk 4 years ago  |  last reply 3 years ago


What Is The BEST Halloween Costume - Most Unique - Attracts Attention

Ok so i'm looking to stick out on halloween; to be the person with the most unique costume. The most unique one that i have seen so far was a "Kissing Booth" which was pretty cool. BUT  I'm looking for other opinions and i wanted to know what you guys could come up with :)  NOTE: iT DOES NOT HAVE TO BE A COSTUME YOU BUY Thanks

Topic by rickick 9 years ago  |  last reply 9 years ago


Im SUPER skinny and its rather un attractive. Anyone got any good excercises/routune/what ever to help me bulk up?

No shakes or anything like that plz.. unless they REALLY help.

Question by octopuscabbage 9 years ago  |  last reply 9 years ago


sbcg4ap

How many of you are gonna get sbcg4ap or strong bads cool game for attractive people. and what do you think about it do you think it will be fun or will it be a flop?

Topic by the_burrito_master 10 years ago  |  last reply 10 years ago


how can i modify my computer into a steampunk(easy method)?

I want it to look really attractive for geeks!! i am inspires in asking this by seeing many steampunk design especially of @casper and mrs.bestiee.. etc. i want the answer asap and iam interested in electronic and geeky stuffs!!!!

Question by warlock007 6 years ago  |  last reply 6 years ago


Electrostatic flocking machine

Hello all I want to make simple and very cost effective velvet flocking machine in which velvet powder will be attracted in one box from bottom to top so that it will be applied on the object. Since velvet has its own charge it will get attracted to positive end of electrostatic field. Any simple model by anybody? Thanks Manish

Question by mvbhavsar 1 year ago  |  last reply 1 year ago



What is the cause of gravity?

A friend of mine MUSAB said that  two bodies attract each other because the electrons and protons of both their atoms attract each other, however, I don't think this is the case, I have heard from some where else that it is due to distortion in space time created by a mass and geodesics are formed and they bend towards the center of the mass due to which every other body which comes in its gravitational field tends to move towards its center and all that stuff I have studied in detail. So who is right? If he is wrong, then please also specify where is he wrong, I think that individual atoms can not attract each other because of charge because an atom, as a whole, is a neutral particle. Thanks in advance.

Question by universal-physicist 6 years ago  |  last reply 6 years ago


Bee Problem

Anyone Know How To Make A Liquid That Attracts Bees? Because I Use A Mixture Of Sugar Water & Flavoring And It Doesn't Work To Well So Can Anyone Help.

Topic by Twilight 11 years ago  |  last reply 10 years ago


How would one build a device that follows/is attracted towards a signal(IR, RF, etc.)? Answered

Hello, what is the simplest way to control a device so that it is drawn towards a certain point? I'm sure there is already an instructable on such a device but I can't seem to find it. Sound or voice control, line following, and light following(except maybe IR) won't work. Any guidance would be greatly appreciated. Thank you!

Question by mytleviathan 9 years ago  |  last reply 9 years ago



The Daily Birder

   Hey guys! I'm starting a new blog devoted to birding and attracting birds to your backyard. So check it out at: http://thedailybirder.wordpress.com/.

Topic by irish death1 8 years ago


How do I make an attractive toilet paper shield to keep my 7 cats from shredding my TP?

Please don't tell me to "turn the roll around" or to lock the cats out of the bathroom. These are not feasible. The kitties shread the roll no matter position it is in, and we've got one litter box that MUST be in the bathroom. I have 7 cats, and they need a box in almost every room in the house. I've been keeping the current roll in the cabinet, but I'm getting pretty sick of having to hide the roll every time I go to the bathroom. There has to be a better way. I want ideas on how to make a simple, attractive, and durable cover for the toilet paper roll. I'm almost ready to go out and buy a commercial cover, but I think they are hideous -- great gargantuan hunks of plastic. Much thanks for ideas... Jamie, Boots, Mousie, Minnie, Domino, Beaners, Choppy, and Winston

Question by lotussutra 9 years ago  |  last reply 3 years ago


An Unhealthy Obsession With Magnets

Ever since i observed the attractive/repelling invisible force of the magnet i was interested in this mysterious action at a distance what compels the movement of metal the laws, the principles, wow electromagnetism cool stuff

Topic by eoosen 12 years ago  |  last reply 10 years ago


How can I extend the height of my 4' chain link fence somewhat attractively? Answered

I have a 3 month old Pharaoh Hound who can (when she's an adult) jump up to 6' high. We live in a wooded area with lots of little animals like squirrels and rabbits. I'm afraid she'll catch sight of something and hop over the fence and take off into the woods. I don't really want to do an electric fence unless it's a last resort. She doesn't stay out for long periods, mostly just to go to the bathroom and when we're hanging out. Bushes are also not an option because A) I don't have the money to buy ones that are tall enough and fill the entire length (about 120') and B) There's gravel around the fence and not good for planting. What do you think?

Question by jtp139 9 years ago  |  last reply 9 years ago


How can I create an electromagnetic field strong enough to attract metallic objects of about 8-6inches from me? Answered

Trying to see how I can upgrade my  magnetic glove by increasing the strength of the electromagnetic field around it presently I can attract objects just 2-3 inches and by calculation if I increase the voltage to 18v from 9v but it would result into I^2R loss besides if I can successfully increase the strength then I would be talking of how to regulate the field using muscle sensors and an arduino board .

Question by Emmanuel Caster 6 years ago  |  last reply 4 years ago


how do you like my look?

Please tell me what you think of my look and how attractive you think I appear right now. Please be honest !

Question by sylvestercollings 5 years ago  |  last reply 5 years ago


how to make an electromagnet thats a circle be positive on one side and negative on the other?

Im basically trying to make an electromagnet that will wrap around a tube of metal and i want to have it magnetize the inside of the metal tube and on the left (as your looking at the tube from the side) its has positive attraction and on the right it has negative push that is my question and if anyone could tell me how i could do this that would be EXTREMELY appreciated... not only that but if i could reverse the polarity so left is negative push and right is positive attraction that would be great to please help its for a science experiment and would be GREATLY appreciated 

Question by ShinigamiTentetsutou 2 years ago  |  last reply 2 years ago


Do the RealSimple Recipes Count?

Concerning the Fake it, Don't Make it! Contest, I was wondering if RealSimple's (RealSimple.com's) Instructables count. They are added to the group but I wasn't sure if they were just there to attract visitors and inspire them, or what. Thank you.

Topic by Bran 11 years ago  |  last reply 3 years ago


Vertigo Lights

A few years ago I was attending a Halloween attraction where a conversation started about seeing a red skull.  We asked a few of the actors and I got the name of the attraction's special effects person.  What we were seeing was a programmable sheet of red LEDs that would flash so fast that you could only see the after image.  The F/X guy called it Vertigo Lights.  I understand the concept, but wondered if anyone has come across anything like this.  Could this be controlled by an arduino, or would a program need to be written to control all of the lights simultaneously?  I haven't been able to find anything like it in any of my searches. Any clues would be great!

Topic by ThePolrBear 7 years ago  |  last reply 7 years ago


Free idea for the glowing contest

Here is a free idea for the glowing contest. I don't have the time or inclination to make it, so y'all can fight over who does it if you want.Basically, the idea is just a yellow or pale green led or series of leds that glow in the same pattern as female fireflies, in the theory that this will attract males to your garden or whatever. I know that you are supposed to get rid of extraneous light sources to attract fireflies, but this sounds like it could work to me. Feel free to do it, so long as you give me credit for the original idea in the first line of the ible.Doesn't anybody like it...even a little bit...?

Topic by Lithium Rain 11 years ago  |  last reply 10 years ago


Magnetic Field for hollow core?

I am working on a project in which I have to control a small setup at the end of a motor shaft using an electromagnet. The electromagnet needs to be around the shaft inbetween the setup and the motor. So I have used a metallic ferromagnetic spool(image attached) and wound 32 gauge wire on it to make it an electromagnet and put the shaft through it. Since this core made out of spool is hollow, I'm not sure how the magnetic field will behave. I tried powering up the one I made and it' seems to be both attracting and repelling a magnet's pole (edges attract while centre somewhat repels). Anyone got any idea about this?

Topic by Antzy Carmasaic 6 years ago  |  last reply 6 years ago


How do I convert an Electromagnetic brake or lock?

Hi Everyone, I've been searching for a small (20 to 30mm Dia) disc shaped EM lock for a project I'm working on but can't find any. This type of lock's function, where when the electrical power is turned on the magnet activates, attracting a pin or plate, is what I need it to do but I can't find them small and flat enough. I then found some 24V EM brakes for a "Duplicator" (copy machine?) on Ebay where the size may be ok but if they were flatter it would be better. From what I understand these work the opposite way. The brake pad is normally engaged ("locked") to the hub by a spring, then when electrical power is turned on, the brake pad separates from the hub allowing it to rotate. Is this correct? Would it be possible to convert the brake into a lock merely by reversing the wiring or would I need to reverse the direction of the winding? Would that work to then attract a plate when it is turned on? Also, how much could I reduce the voltage and have it still attract a metal plate with a decent strength - say from 1/4" away? Thanks for you help! :)

Topic by Bretina 3 years ago


can magnetism go through Bronze? Answered

If anybody is near a metal shop and you know they have bronze can you see if the bronze will keep magnetism from penetrating the other side? You should take some light weight iron and a strong magnet and see if they attract.

Question by jbaker22 7 years ago  |  last reply 7 years ago


I want to delete my kyoto trough insturctable but it was in a contest so it will not let me.

It was in a contest and it seems you cannot delete stuff that was entered in a contest. I made the instructable to attract smarter people than me to the problem of unattended concentrated  solar cooking by combining 2 reflective  troughs  (to mimic a dish). (Troughs are easy to make (bent in one direction). while dishes are bent in 2 planes so they really hard to make without wrinkles on the reflector material. Nobody got attracted so I guess the idea is dead. Anyway, for me personally,  it was  a stepping stone on the way to  the clam shaped solar reflector. So it was useful but it is history now. So is there any way to delete it or substitute another thing in its place? Thank you Brian White

Topic by gaiatechnician 8 years ago  |  last reply 8 years ago


Balancing Relationships

Right so my bestfriend is jealous of what my boyfriend and I have, or what I have with him... She told me yesterday that I am a completely different person when I'm around him and that it makes him not right for me... With her I try to have actual conversations but it just turns in to he's saying how cute Kyle Busch looks, or Carl Edwards without a shirt, or her talking about finding her teachers attractive, I always know what Mr, D is wearing, McGee from NCIS (I personally find DiNozzo more attractive). With him though I don't have to worry about hearing how good Mr.Alex looked in his new black shirt and out of style glasses... He and I have talked politics, hunting, and movies that she refuses to watch because she thinks they'll be boring, like, "Shooter" with Mark Whalberg... Is it that my personality is different or just that with my boyfriend I am able to explore my mind more and talk about things other than attractive men and Kevin Harvick in tight pants... I'm obviously not good at having a best friend and a boyfriend, I need some serious help on this subject...

Topic by Happy2917 10 years ago  |  last reply 10 years ago


Anarchy and teens

What the deuce is with these teenagers and anarchy? Is pure evil and chaos what they want, and are attracted to? What the deuce do they want? I know most will stop being anarchists (not truly) eventually, but is it a trend, a cult, a what? Comments will be most appreciated my fellow insructa-users

Topic by theburn7 10 years ago  |  last reply 4 years ago


Shade options for a casual, outdoor wedding? Easy to put up/take down? Fairly cheap? Attractive? Impossible?

Hi- I'm trying to figure out our shade options for a casual wedding. I'm hoping to find something fairly cheap, easy to build/take down, and made with reusable materials. Am I dreaming? We have tools and the like, but the solution has to be pretty easy. The event will be stressful enough. There might be a breeze (probably not too heavy) and it has to look okay for the older and more judgemental guests. Preferably it would fit 10 chairs and a couple of small tables. Do you have any good diy links? Vendors for parachute material? Thanks in advance!

Question by 9 years ago  |  last reply 7 years ago


Has anyone has experience buying display cases from Displaygifts.com?

The offer baseball, jersey display cases and flag cases at very attractive prices. Would like to hear from anyone who bought from them. http://www.displaygifts.com/

Question by WebKingPower 9 years ago