This mechanically scanned propeller LED clock was made from 7 LEDs that gives the illusion of number in the air as it spins. During operation, a PIC16F84 microcontroller keeps track of time and ...

The Lidl glider, very popular for its low price and huge wingspan, sold as a free flight glider for kids, it's perfect to convert it into an rc glider since there's a lot of space in the fuselage to ...

If running a nonprofit organization is anything like running a relay race, then Andrea Chen and Jess Allen have just completed one of the most extended and carefully choreographed baton handoffs in ...