If you need a refresher on how GPS works, we can explain it. If you think the idea of a module containing rubidium is far-fetched, don’t forget you can already get them for precision clock work.

Car sized passenger capsules travel in 1.5m (5′) diameter tubes on frictionless maglev. Air is permanently removed from the two-way tubes that are built along a travel route.

Designed by LG Labs, the DukeBox pairs old-timey vacuum tubes as seen on a jukebox with a modern OLED panel for a mixed bag of audio visual wonders. Although marketed as a mere smart speaker, the ...