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For questions relating to travel in time. Such travel may involve FTL travel; consider also using the [faster-than-light] tag.

4 votes

My time machine needs to know when it is

1) Send your time machine from the present to random times in the past when there were already radio broadcasts. 2) Measure the used fuel every time. 3) Wait until one of the radio broadcasts tells …
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4 votes

Why buy tech from the future?

Definitely buy it. You can count on it that this person will also try to sell your competitors this technology, and you cannot count on them not being able to reverse-engineer it. Better to try your …
Real Subtle's user avatar
  • 4,731