Making A Trip Wire Alarm System
Have you ever thought about making an alarm when going camping or just to have one in case of emergency? Making a trip wire alarm system is easier than it seems at a first glance and it will notify you in case there is an emergency or an intruder near you. You will need to have a ...
How To Make A Trip Wire Alarm System
Have you ever thought about making an alarm when going camping or just to have one in case of emergency? Making a trip wire alarm system is easier than it seems at a first glance and it will notify you in case there is an emergency or an intruder near you. You will need to have a ...
Eco-friendly battery made from salt and water last 10 times longer
Did you know of this alternative battery that is made from salt and water? It’s the invention of Jay Whitacre, who won the prestigious Lemelson-MIT Prize of $500,000. The battery was named Aqueous Hybrid Ion (AHI) and was developed with the use of non-toxic materials, such as ...
