SpaceX’s latest test flight of its Starship vehicle on Tuesday got off to a sobering startokebet, as the company was unable to recover the enormous booster stage of the rocket, the most powerful ever built. But about an hour later, the vehicle’s upp
Do you remember playing with a magnifying glass as a kid? You hold the tool at a specific angle over a dried leaf until it concentrates sunlight into a dot. The focused light applies more heat to the dried leaf, burning a hole through it. Article co
