An curved arrow pointing right. Gallium, a lesser common element, has some neat tricks up its quickly melting sleeve. It melts in your hand, can be used to make a gag spoon, and can turn a typical ...

T oday, silicon photonic circuits connect server racks and play key roles in chemical sensors, biosensors, and LIDAR for self-driving cars. But making these devices work requires ...

Since the early 1970s, scientists have been promoting gallium arsenide as a faster, more efficient substrate material than silicon for making integrated-circuit chips. However, the vast majority of ...