Light has always been the stage on which quantum mechanics performs its strangest tricks, and the double-slit experiment is ...

When two or more light waves interact with one another, they result in the formation of different interference patterns. British physicist Thomas Young first demonstrated and explained these patterns ...

Physicists in China have brought one of Einstein’s thought experiments into reality—but not quite with the outcome he hoped ...

"Researchers find new multiphoton effect within quantum interference of light." ScienceDaily. www.sciencedaily.com / releases / 2024 / 01 / 240123122324.htm (accessed December 9, 2025).

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 ...