实用规模的量子计算机应被定义为一种其计算价值超过总成本的机器。实现实用规模是量子计算的一个关键里程碑，标志着这些先进系统在经济上开始适用于实际应用。人们普遍预期，最初的量子计算机将极其昂贵，远远超出实用规模的范围。因此，我们必须分析量子计算机成本降低 ...

Autonomous driving has become a key area in China's push to integrate digital technologies with the real economy. As pilot ...

The June 13 Israeli airstrike prompted Iraq to abruptly close its airspace. Except for limited flights out of Basra, commercial aviation ground to a halt for days, stranding thousands and deepening a ...