In 1905, Einstein established relativity under the condition of denying the absolute space-time valid in Newtonian mechanics. In those days, the quantum theory was also established by accepting De ...

Normally, materials expand when heated. Higher temperatures cause atoms to vibrate, bounce around and take up a larger volume ...

Like the proverbial tree falling in the forest, scientists wonder: does reality exist on its own . . . or just when you observe the world?

Silicon Valley Is in Its ‘Hard Tech’ Era Goodbye to the age of consumer websites and mobile apps. Artificial intelligence has ushered in an era of what insiders in the nation’s innovation ...