In principle, the manufacturing technology of such a "flying saucer" is extremely simple: - a window is cut out on a paper plate to the size of the cooler - a cooler and batteries in the amount of 12 volts are attached to the plate with adhesive tape or tape - that's it!

For many, after a small computer upgrade, old unnecessary parts remain. And if among them was a DVD-drive, then rejoice, you found it a great use. Make it a powerful laser that can light a match and pop balls! You

How to get ice instantly? Interesting? We watch the video, read the recipe, and do it (every house has all the ingredients)! This is really a very interesting thing! (The liquid freezes before our eyes in seconds!) Surprise your friends and acquaintances! This is very

Cool experience Cornmeal can be bought at the store.

This "liquid" consists of the smallest particles of matter that are attracted by a magnet. . .

Awesome joke! You can make fun of your friends and family like that. Funny fun. . .

This toy is a puzzle. Simple and not Vyashcheva. . . But very cool. . .

Most people in garages and barns can find an old refrigerator. Why store? unknown! If you are one of those, then I suggest using this hardware in business. . .

You do not have money for the projector? No problem! In our laboratory, we assembled the projector with our own hands - and the entire project cost less than $ 300. We got a picture in XGA resolution, with a diagonal of 3 meters and a brightness of 3,500 ANSI lumens. Do not believe? Then

What a disco without a disco ball? But it’s not on sale! No problem . . . .

The eternal problem - what to do with old CDs? It's a pity to throw out. . . Here is the idea - an original stand for various office supplies.

Do-it-yourself subwoofer is much cheaper and better than Chinese models. Yes, and much more beautiful. . .