iD magazine

COULD WE TRAVERSE WORMHOLE?

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Wormholes are tunnels through space and time. Or to put it more simply: They are shortcuts to distant locations—at least, in theory. The concept was first postulated by Albert Einstein and his colleague Nathan Rosen in 1935. They suggested that one black hole could be connected to another via a “throat” that is now called an Einstein-rosen bridge. It may hypothetic­ally be possible to use this principle to effectivel­y travel faster than light speed. But in the 1960s other astronomer­s showed that the bridge would collapse as soon as it formed. One suggestion put forth to remedy the matter is to support the bridge with an exotic material that contains sufficient negative energy to bend gravity’s normal rules. But a major problem remains: No one knows how to make such a material, let alone how to keep a wormhole open long enough to pass through it.

If… 3 and 2 is 15 9 and 5 is 414 4 and 2 is 26 8 and 3 is 511

…then what is the result of this sequence of numbers: 7 and 5 is ?

Solution from the Septemer 2020 issue: It is not possible for Jonathan to put exactly two out of three of the letters in the correct envelopes—the third letter would then have ended up in the correct envelope as well. The probabilit­y is therefore zero.

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