When I first thought about making a voltmeter, I wanted something small, easy to carry, and quick to use. I imagined it as a tool I could keep in my toolbox or use as part of a quick diagnostic kit.

A $20 Trillion Dream With No Plans in Sight The idea of a tunnel connecting America and Europe is not new – it's been around for decades. But it's always Elon Musk is back with another bold claim.