A giant leap to Mars! 🚀
NASA recently completed testing of a lithium-fed electromagnetic thruster, reaching 5x more power than today's electric propulsion systems. Paired with a nuclear power source, this tech could slash travel time to Mars!
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In the 1640's the Dutch inhabitants of New Amsterdam built a 12 foot wall to keep the
"bad people" out. In 1664 the British ignored the wall and took New Amsterdam by sea. It's now called New York. They took down the wall and built a street, which is now called Wall Street.
Slater Bridge, Little Langdale, Lake District, England. Where stone, water, and time meet.
A beautiful 17th-century packhorse bridge, once used by men and horses carrying slate through the valley. Built from local stone and resting partly upon a great natural boulder, it has stood here for centuries.
A little piece of old England 🏴