Expert DIYer April Wilkerson demonstrates how to use a pocket hole jig to make strong, precise joints in woodworking projects ...
Black holes seem to get all the attention. But what about their mirror twins, white holes? Do they exist? And, if so, where are they? To understand the nature of white holes, first we have to examine ...
Most people are familiar with the concept of a black hole: a “hole” or extreme warping in space and time that endlessly devours any matter unfortunate enough to venture close to it. Even light can’t ...
It doesn’t take a degree in astrophysics or expertise on Albert Einstein to appreciate “White Holes,” theoretical physicist Carlo Rovelli’s latest book. But brushing up on Dante Alighieri’s work might ...