Easiest way to cleanly cut bottles
Hand held Espresso maker.
Plastic Soda Bottle Lid Capsule
Homemade Quantum Laser Micrometer (Nestor's Micrometer)
Easy to make concrete bowls and planters...
Poor man's airlock
Simple DIY Vacuum Chamber and Pump
MAKE A HIGH VOLTAGE SUPPLY IN 5 MINUTES
Build a 15,000 rpm Tesla Turbine using hard drive platters
Paracord Strap Wrap
Clay-Sawdust Water Filters
Self-Watering Veggie Table
Faraday Rotation (EPIC!)
Fun with Bismuth
Eggshell Seed Starters
Wireless light switch or bust
Venturi Vacuum Degassing Apparatus for use in Rapid Biomedical Part Prototyping
Sand Fire Garden
Flexible Aluminum Electroluminescent Display - No Transparent Conductor Needed
Diy cyclonic dirt seperator from pvc bits and a bucket
A simple mechanical resonance demonstrator
~ World's Greenest WATER PUMP ~
Small NFT Hydroponics System
5 minute DNA Extraction in a Shot Glass
Coffee Cup - PCR Thermocycler costing under 350$
Desktop Michelson-Morely Interferometer
Free Energy
DIY Digital Caliper Micrometer Comparator
MagSafe for the Rest of Us: A DIY Magnetic Power Adaptor
Make a bench power supply mostly from recycled parts
convert a tire inflator-type air compressor into a vacuum pump
The Hilsch vortex tube
How to Solder Videos: Why is soldering difficult sometimes?
How to convert a closet into a mini wine cellar
Shop Tools
Acquiring Tools
Knife Sharpening Tricks
Professional PCBs almost cheaper than making them at home
Non-PV Solar Power
3-D Laser Scanner
PULSE JET ENGINES PLANS
How to Build a Polished Concrete Desk
