First there was foamcrete, then there was papercrete and hempcrete, and now we've got AirCrete, a foamy mixture of air bubbles and cement that is cheap to make, waterproof, fireproof, and DIY-friendly.
Looking for high capacity power bank? Well, why not create one? In this video, we show you a DIY project about how you can create a 40,200 mAh power bank in under $5/₹300. The power bank has 2 USB ports and an LED flashlight.
Angle Grinder Safety, Preventing Kickback. Learn the importance of keeping the work area safe and developing good personal work habits, and proper tool use and care. Kickback from these tools are the most dangerous problem for the person handling and people nearby. So learn to use the angle grinder properly.
Learn how to properly use an angle grinder, what protective safety clothing is needed and how different types of abrasives have to be used or not used. We explain in detail the safe use of cutting discs, grinding discs, flap discs, fibre discs and diamond discs.
This homemade speaker uses a toy motor insteadof a coil of wire and a magnet.The amplifier wires are simply attached to a toy motor to make it vibrate. Use it to make a conductor speaker that only you can hear or attach it to a paper plate to make a simple speaker that will amplify the sound.
The rollback toy idea is put to the test to see how far we can get it to travel when powered by just 3 rubber bands. It is a great example of changing potential mechanical energy into kinetic motion energy. Fine tuning and given a long and wide enough area, this roll back toy has the potential to go 200 feet or more.