Abstract: This project used the XBee Pro Module to transmit and receive signals wirelessly, and an Arduino UNO executed all given instructions. The presence of the car was identified by an infrared ...

AliExpress is known for being one of the best online shops to pick up a 3D printer at the lowest possible price. I'm not talking about obscure, unvetted models. Some of the most popular 3D printer ...

Elizabeth Tsurkov, a citizen of Israel and Russia, recounts a harrowing story of cruelty, survival, U.S. diplomatic pressure and, finally, release from the grip of a group backed by Iran. By Adam ...