Almost all workers are being pulled out of the US Agency for International Development (USAID), the Trump administration has said. The move all but ends a six-decade mission to shore up American ...

Music is different now. Finicky CD players are a rarity, for one thing. We hold the divine power instead to summon any song ...

The control unit controls the flow of data within the system.

Without much fanfare, the critically acclaimed CBS comedy series Ghost has rolled out onto Netflix in over two dozen regions. The show is already doing numbers in the Netflix top 10s since its ...

A multi-dimensional mathematical theory applied to texts belonging to the classical Greek Literature spanning eight centuries ...

With nominal rigidities the economy first falls into a recession. This is true even if all prices and wages are allowed to adjust flexibly on impact. The subsequent recovery in activity always ...

(2) You are limited to two withdrawals a year or the rate drops (3) You are limited to three withdrawals a year or the rate drops (4) You are limited to four withdrawals a year or the rate drops ...

作者 | 汤一涛编辑 | 靖宇   1942 年，伟大的科幻作家艾萨克·阿西莫夫（Isaac Asimov）在他的短篇小说《转圈圈》（Runaround）中首次提出了「机器人三定律」。之后，这些定律因为他的短篇小说集《我，机器人》而广为流传。