The good folks at the Delft University of Technology came up with a dragonfly-like winged machine that can fly completely autonomously until the batteries allow.
You will probably have a hard time believing this cardboard T-Rex isn't moving its head while it appears it's constantly tracking and looking back at you.
There are about 7 billion people living on our planet. If we would all stand next to one another on our own square meter, how large would that area have to be? Is North America big enough?
Float along Sunita Williams, Indian American astronaut who holds the record for longest space flight by a woman, and let her explain how they use the toilet, how they sleep, eat and other essentials.
