Do it yourself - with your own hands. Page 370
Master classes:
Pencil flashlight
Another rather dangerous experiment. Under no circumstances do this alone. Only under the supervision of professionals. You connect the lead from a pencil to a car battery, and you get a flashlight. But if you connect it incorrectly, everything can burn out.
Robot - Brush!
For this “miracle from idleness” we need: a vibration motor from a mobile phone, a tablet battery, and part of a toothbrush. . .
Glowing bottle
Quite a sensational experiment on the Internet with a glowing bottle of Mountain Dew. . .
Air cushion in 3 minutes
In principle, the technology for manufacturing such a “flying saucer” is extremely simple: - a window is cut out in a paper plate to fit the size of the cooler - the cooler and batteries for a total of 12 volts are attached to the plate using adhesive tape or tape - that’s all,
Powerful laser from an old DVD
Many people end up with old unnecessary parts after a small computer upgrade. And if one of them is a DVD drive, then rejoice, you have found an excellent use for it. Make it a powerful laser that can light a match and pop balloons! To you
Get some ice? Instantly?
How to get ice instantly? Interesting? Watch the video, read the recipe, and make it (everyone has all the ingredients at home)! This is really a very interesting thing! (The liquid freezes before your eyes in a matter of seconds!) Surprise your friends and acquaintances! This is very
Experiments with ferromagnetic fluid
This “liquid” consists of tiny particles of matter that are attracted by a magnet. . .
How to use a refrigerator compressor as an airbrush
Most people have an old refrigerator in their garage or shed. Why do they store it? unknown! If you are one of those people, then I suggest using this “hardware” for business. . .
DIY multimedia projector
Don't have money for a projector? No problem! In our laboratory, we assembled the projector ourselves - and the entire project cost less than $300. We received a picture in XGA resolution, with a diagonal of 3 meters and a brightness of 3500 ANSI lumens. Don't believe me? Then
Instructions for making a mirror disco ball
What's a disco without a disco ball? But it is not on sale! No problem . . . .
DIY CD stand
The eternal problem - what to do with old CDs? It's a shame to throw it away. . . Here's an idea - an original stand for various office supplies.
We assemble a subwoofer with our own hands!
A DIY subwoofer is much cheaper and of better quality than Chinese models. And much more beautiful. . .