Could machines that think someday pose an existential threat to humanity? Some big names in science and tech seem to think so--Stephen Hawking, for one--and they've issued grave warnings about the looming
What are those things? For the past eight years, astronomers have been scratching their heads over a series of strange radio signals emanating from somewhere in the cosmos. And now, the mystery has deepened.
A delicious physics problem A stream of honey falls onto a freshly baked buttermilk biscuit. Before you devour this breakfast treat, you might notice that the honey you poured formed a wavy pattern on
The underlying realities of the world – from Earth’s rotation around the sun to Darwin’s theory of evolution – are rarely obvious or expected All is not what it seems. Much of the universe – from the small