If we ever have giant inflatable telescopes in space, you can thank Chris Walker’s mom. Years ago, Walker was making chocolate pudding when he had to interrupt his culinary undertaking to field a phone call from his mother. He took the pudding off the stovetop, covered it with plastic wrap, and placed the pot on the floor by his couch. When the call was finished, he was startled to find an image of a lightbulb from a nearby lamp hovering over the end of the couch.

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