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- #WhatIf #Aliens Are #Watching Us?

Do you ever feel like you're being watched? Not by a creepy stalker, but by aliens. Yup, it might be happening.

What If We Had #Flying #Cars?

Imagine an entire network of flying cars zooming around 2,000 meters (6,561 feet) above our congested city streets.

What If a #Spoonful of #Neutron #Star Appeared on #Earth?

Neutron stars are massive gravitational monsters, and orbiting one wouldn't end up well for our planet. But what if we took just a spoonful of it and transported it to Earth?

What If You Were the #Last #Human on #Earth? (Recut)

Here's your 7-step survival guide in case you find yourself to be the last human on Earth. So you wake up one day and find that you're the only person left in the world.