It appears that the sun will go nova in 75 hours, which leaves Grayson to go back in time to give a boost to science in Ben Franklin’s time.
It sounded nice and simple: allow Ben Franklin to invent the laser and let the technology casade. Grow enough so that in five hundred years we’d have something to get us out of this mess.

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  1. “Ben Franklin’s Laser” by Doug Beason, in Analog, mid-December 1990.
  2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . written by Doug Beason