vacuum cabinets, torches for sealing, and the need for 220v, plus space for it all). That’s too bad since we were really hoping to see the Jolly Wrencher in Nixie-tube form — incidentally ...

[Aleksander Zawada] makes vacuum tubes in his home ... at the proper pressure, and firmly seal it. In the end he managed to make a tube with three digits (0, 1, and 2) that worked for about ...

The result: a vacuum-sealed corridor structurally robust enough ... and a blueprint for expanding far beyond that. Prefabricated tube segments—offering up to 60% lower costs than traditional ...

China has made a breakthrough in Hyperloop technology, solving key challenges that stalled Elon Musk's vision with cost-effective engineering and precision construction ...

A vacuum tube is just that: a glass tube surrounding a vacuum (an area from which all gases have been removed). What makes it interesting is that when electrical contacts are put on the ends ...