The incandescent light bulb was one of the first early applications of electricity, and it’s hard to underestimate its importance. But before the electric light, people didn’t live in darkness — they ...

Xiaomi has officially launched the Mijia Diffuse Reflection Ceiling Light in China, priced at 1899 yuan ($268). This is currently the most expensive ceiling light in Xiaomi’s Mijia lineup and ...

Can we turn back time? Ask a savvy physicist, and the answer will be “it depends.” Schemes for retrograde time travel abound but usually involve irreconcilable paradoxes and rely on outlandish ...