PhysicsIn the quantum world, uncertainty reigns – or is it all in the mind?Schrödinger's dead-and-alive cat embodies the uncertainty of the quantum world. But whether parallel realities truly exist is a question less of science than beliefFeatures
TechnologyQuantum supremacy: Will quantum computers break the internet for good? Google’s claims of quantum supremacy have some people worried that the internet is now broken. Here's what the development actually means for cybersecurity ¿ìè¶ÌÊÓÆµ