Instead of throwing that spent Elf Bar nicotine vape into the trash, you can pull most of the guts out, plug in a circuit board and some controls, then suck on the mouthpiece to play digital sounds.

Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, ...

New forms of fentanyl are created every day. For law enforcement, that poses a challenge: How do you identify a chemical you've never seen before? Researchers at Lawrence Livermore National Laboratory ...