Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

Physics can feel inscrutable to students; this lesson helps them understand a graphing problem by analyzing their own ...

But, it turns out, a thermometer has been part of photonic chips all along.

They integrate it with Western systems to deliver real advantages. by Amit Joshi, Mark J. Greeven, Sophie Liu and Kunjian Li OpenAI’s November 2022 launch of ChatGPT caught Chinese technology ...