Quantum systems can occupy superpositions, quantum states that combine different possibilities. For instance, a microwave ...

听众 “芝士” 想知道单词 “experiment、test” 和 “trial” 之间是否有区别。这三个单词分别用来指三种不同类型的 “试验”，包括用来探索未知领域而展开的实验、测试事物是否有效或性能是否正常的试验、和需要一段时间的观察才能得出结论的试验。本期 ...

In 1971, Stanford University psychologist Philip Zimbardo conducted a notorious experiment in which he randomly divided college students into two groups, guards and prisoners, and set them loose in a ...

MIT physicists have performed an idealized version of one of the most famous experiments in quantum physics. Their findings demonstrate, with atomic-level precision, the dual yet evasive nature of ...

Olga Khazan and Julia Longoria sit down to announce The Atlantic’s new How To series: How To Start Over. At the height of Freedom Summer, the KKK killed three civil-rights workers in Philadelphia, ...

Google on Thursday is launching a new AI-powered feature called Web Guide for organizing Google Search results. Web Guide is a Search Labs experiment that leverages AI technology to organize the ...

This article is an extended version of the article “The double-slit experiment” that appeared in the September 2002 issue of Physics World (p15). It has been further extended to include three letters ...