Just about every household gadget we own runs on 1.5 volt batteries of one size or another. Wouldn't it be great if you could reuse all of those dead AA, AAA, and D batteries after they've passed on? ...
I want to be able to produce a large amount of gas under water, from a chemical reaction, not from a pressurised cylinder (unless it is just a small cylinder that provides a chemical gas to react with ...
When it comes to melee combat, two swords can definitely be better than one. Throw a stun gun on top of that and you've got a seriously terrifying weapon. That's exactly what YouTuber jonathanj9969 di ...
REQUIREMENTS: LED's,connecting wires,tip 31 transistor,battery,3.5 mm audio jack,soldering machine,soldering wire,soldering paste.Now Make the Connection of Components as Shown Below ...
Here's how to make dry-ice at home, or wherever you feel like it! All you need is a pillow case, and a CO2 fire extinguisher.WARNING: Dry Ice is extremely cold! (-78C/-109F) and can cause instant fros ...
I loved the Gold Rush unit back in third grade. We went up to the American River and panned for gold, and my panning skills balled above all. I got like three tiny pellets. Of course, it was all fool' ...
You knew that the food you eat gives you energy, but did you know it can actually power a thermal lance with enough heat to burn through steel? A thermal lance, as in, the tool used to demolish buildi ...
Here is how you can build a frame for your MEGA SOLAR SCORCHER in under an hour, and for less than $8!! This is effectively a 4 foot magnifying lens that concentrates insane amounts of heat from the s ...
Here's how to build a sexy looking water-fuel generator that will convert your tap water into an extremely powerful, clean burning gas!An oxyhydrogen generator, like this one, uses electricity from yo ...