Which is better: an underwing-engine plane or a rear-engine one? Rear-engine planes have their benefits. They’re easier to manoeuvre in case of engine failure, they’re less likely to suck in foreign objects, and they allow for built-in airstairs. Although they were phased out because they’re less economical than underwing-engine planes, they may be key to incredibly fast flights; all supersonic (faster-than-sound) planes being designed today feature rear-mounted engines.
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The Lightyear O is a revolutionary electric car powered by the sun. Developed by a Dutch startup, the four-door sedan has over 50 square feet of solar panels on its roof and hood, generating up to 43 miles of energy a day. With production now underway in Finland, the car does come with a hefty price tag at $262,000, but the company hopes to introduce a more affordable version, the Lightyear 2, by 2025. Read full article here