Amazing solar-powered fridge invented by British student in a potting shed helps poverty-stricken Africans | Mail Online
Not only is the fridge solar powered, it can also be built from household materials – making it ideal for the Third World.
Category > DIY
Letters from Lausanne: Lightbox Construction
You can of course buy commercial light-boxes, but I wanted to construct one by myself…
Useless Ninjas
How to roll your own Mac for under 240$
Chris Carter's original GRISTLEIZER 'Industrial' audio effect unit
Do you know how important this is?
Chris Carter’s original GRISTLEIZER ‘Industrial’ audio effect unit
Build A Net Gun
I will show you how to build a net gun out of materials available at any big box home improvement store.
DIY Human Powered Hydrofoil – The "Hydrothopter"
Very important, needs to out-meme to pre-industrial world.
$60 Laser Engraver / Cutter
I drool on my keyboard when I look at those fancy laser cutter/engravers that cost $$thousands, so I figured out how to make one for $60. That’s right — 60 bucks.
MJRainey – Das DereLicht
For some reason, I began to wonder if it would be possible to build a QRP CW transmitter using the electronic components salvaged from this derelict lamp.
Inventor's 2020 vision: to help 1bn of the world's poorest see better | Society | The Guardian
Professor pioneers DIY adjustable glasses that do not need an optician.
Inventor’s 2020 vision: to help 1bn of the world’s poorest see better | Society | The Guardian
Making a simple Savonius wind turbine
There are many situations where you might need a small amount of electricity, for instance running gate openers, safety lights, water level indicators and other low-power devices.
Imitation Alka Seltzer for a fraction of the cost
If I figure that citric acid costs $4/lb and baking soda is $1/lb, the exact same dose of alka selzer’s active ingredients would cost me about 2.5 cents to make myself
Etsy :: kfarrell :: Build Your Own Tinysaur
Don’t have a laser but still want to go through the mind-blowing tedium of building a Tinysaur? Now you can!
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sprouting seed guide
Whipster | MetaFilter
Guiness World Record holder Adam Winrich demonstrates all the basic bullwhip-cracking techniques. He also teaches you how to perform each of them in detail, and how to open a can of root beer.
How To see 480×360 video at youtube
the magic bit of code is &fmt=22
MAKE: Blog: The $20 gift guide at MAKE
Electronics kits for $20 and under!
Matthias Wandel's home page
ABS cannons Building an Airgun Lego machines Marble Machines Insane contraptions
Traditional Scouting: Boy Scout Activities B-P Traditional Scouting Scouts Resources
Dead Bugs, Blow Guns, Sharp Knives, & Snakes: What More Could A Boy Want?
Traditional Scouting: Boy Scout Activities B-P Traditional Scouting Scouts Resources
Trevor Blake: Make an Enlarging Projector
First, find an abandoned projection television. Remove a lens with a hammer.
Next, mount the lens on a cardboard box. Tape a reversed, upside down image inside the box.
Put a light under the box and aim it at a wall.
A blurry, slightly enlarged image will be projected on the wall.
