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...and you're halfway between both, who would get the message first?

For example, let's say the trip is 4 light years long. You reach half the speed of light and you have a laser communication array pointing forward and backward. When you reach the midway point, you send the message to both places. Would they both get the message at the same time or would your destination get it first?

...and you're halfway between both, who would get the message first? For example, let's say the trip is 4 light years long. You reach half the speed of light and you have a laser communication array pointing forward and backward. When you reach the midway point, you send the message to both places. Would they both get the message at the same time or would your destination get it first?

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[–] [deleted] • 2 pts

One times zero is zero. One times one is one. One divided by one is one. But one divided by zero is Indeterminate, because zero isn't a real number, it's a placeholder where a number would normally go. It's a null-value concept that is a bit like the "seat-fillers" at the Academy Awards. We could have lived entirely without a zero if we were comfortable leaving blank spaces in number columns. Think of it like the Joker in a poker hand. It's different things based on what we're going for, but really it's just an abstract concept used as shorthand for several related concepts.