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7 votes
2 answers
157 views

Would a laser seismometer work from lunar orbit?

Lasers today have become extremely sensible, they can detect sub-millimeter movements of a surface from a distance. Could this feature be exploited to create a lunar seismometer working from a probe ...
FluidCode's user avatar
  • 191
5 votes
2 answers
213 views

Using lasers to reach the Karman line

I've just seen this Anton Petrov video: New Type of Laser Levitation Could Help Us Explore the Mesosphere. It's about this new form of levitation that uses lasers to heat up the air underneath a craft,...
R. Hall's user avatar
  • 822
1 vote
1 answer
156 views

Would an incandescent light bulb be more efficient than a laser for photon propulsion?

In an incandescent light bulb pretty much almost all of the input power is radiated as photons. While perhaps 10% of the power is useful for human vision and the rest are longer wavelengths, it's all ...
uhoh's user avatar
  • 149k