Fundamental constants place a new speed limit on sound
Under normal conditions, sound waves can't go faster than 36 kilometers per second
Elon Musk says Starlink now has enough satellites in orbit to launch a public beta of its high-speed internet service
Starlink's goal is to put a constellation of satellites into orbit that can beam high-speed internet to remote parts of Earth
Another universe existed before ours & energy from it is coming out of black holes, says Nobel Prize winner
Such an event may be occurring in the center of our galaxy
