My husband is watching YouTube and there’s a man discussing quantum entanglement.
His description: There are two particles. They can be either green or red, but they are both colors until they’re measured. Once you measure one, though, it automatically determines that the other is the same. No matter how many times you measured, or how far you separated the particles, the two would always be the same color.
Why does one being one color guarantee that the other one would be? How do they “know” to always be that color? And what sort of implication does that have for science/real world, other than being really cool?
In: Physics
The “why” is.., well, if boils down to “because”. It’s simply the way the universe works.
Maybe it will help to think of entangled as.. hmm … meshing gears. If you spin one gear up in a clockwise spin, the other *has* to spin anti-clockwise.
Spin the gears up in a dark room, then put one in a box and take it to Amsterdam.
When you get that, open the box and see which way the gear is spinning.
You’ll know instantly which direction the OTHER gear is spinning.
As for implications in the macro world ( where we live)… there’s lots of arguments and downright fights about that. Myself, I lean to the “it’s seriously cool, but it won’t make my coffee in the morning” crowd
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