常速英语

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If the Universe is full of stars, why doesn't it appear white? And if it did, what would it look like? This is WHAT IF, and here's what would happen if the Universe was white instead of...

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Bursts of solar flares from the Sun's surface look spectacular, but they can pose a danger to us here on Earth. If one was to hit us hard enough, it would knock our entire planet into dar...

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Welcome to a world of teleportation! Where you can wake up in a remote corner of the world, teleport to work in Tokyo, and end your day by catching the opera in Rome! This idea of beamin...

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What if, someday, we decided that the usefulness of our planet had run its course, and humans needed to scour space to find somewhere new to live? But, instead of finding a potentially habitable Earth...

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Imagine what it would be like to have miniature version of our Sun right here on Earth. Would this artificial star provide us with an infinite supply of clean energy? Would we even need all the coal a...

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Not too far from Earth is a giant space rock that has silently played host to just twelve people in its entire history. What would happen if we put our cosmic satellite to work by coverin...

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The Earth sits comfortably in its orbit tilted on its axis at 23 degrees. Knock the planet over - and it wouldn't be the Earth as you know it. This is WHAT IF, and here's what would hap...

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What would happen if you flew into a wormhole? Would you ever hear back? Where would you end up? Back in time? Another galaxy? This is 'What If,' and here's what would happen if a wormhole formed ...