Vacuum tubes fueled a technological revolution ... and is finally tested for leaks using a handheld Tesla coil (see, we knew those weren’t just toys). Charles proposed his Supercon appearance ...

Something as simple as one of the cheap Tesla coil kits to be found online can be enough to excite these tubes, giving a simple project for the vacuum experimenter that delivers quick results.

The futuristic transport concept involves pods inside vacuum tubes carrying passengers at ... builds on a proposal by Tesla founder Elon Musk. Some critics have described it as science fiction.

The Hyperloop idea, first floated by Tesla's Elon Musk, has sparked a number of projects keen to demonstrate that putting a maglev train in a vacuum tube can deliver the revolutionary transport ...