Transportation

Hypersonic startup unveils its first aircraft
Hermeus just unveiled its first flight vehicle, putting it a major step closer to developing first-of-their-kind hypersonic aircraft.
Why aren’t there solar-powered cars?
There are a number of reasons why solar-powered cars aren’t an option for everyday travel, at least not yet.
Elon Musk: Tesla will unveil a “robotaxi” on 8/8
While denying reports that Tesla won’t be making a low-cost EV, CEO Elon Musk announced plans to unveil a “robotaxi” on August 8, 2024.
The technology we (or aliens) need for long-distance interstellar travel
Stanford engineers warn that electric car charging could crash a grid powered by renewable energy 
Walking to school is more likely to keep kids active as they age
Electric planes are coming: Short-hop regional flights could be running on batteries in a few years
Paradox-free time travel is “logically” possible, say physicists
“Up to 2.4 million new apartments” legalized by bipartisan California legislation
Air Canada orders 30 electric-hybrid aircraft for takeoff in 2028