Elon Musk’s Hyperloop Makes More Sense for Mars than California
Ever wanted to ride to work in a screaming roller-coaster gun? If your answer was yes: good news! Elon Musk – of SpaceX and Tesla Motors fame – recently proposed the “Hyperloop,” a high-speed floating train that’s accelerated by magnets and coasts between destinations. Hailed as the train of the future, the concept is indeed…
Space & Spaceflight
Leon Vanstone
How Tesla’s Powerwall Stacks Up to Conventional Energy, By the Numbers
I think about big, cheap batteries for a living, so I stayed up late and listened to the Tesla announcement. My first thoughts: These are fantastic prices for an uninterruptible power supply—but still expensive as day-to-day electricity. In terms of what you get compared to market prices, this is a good deal. $350/kWhr for a…
Tech News
Dan Steingart