All Questions
Tagged with laser propulsion
5
questions
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,...
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1
vote
1
answer
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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 ...
- 149k
4
votes
1
answer
215
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Could a laser ablation-based propulsion system really accelerate an object to 0.001 c?
Comments below this answer suggest that a laser ablation-based propulsion system, where the laser is separate from the object to be accelerated, could accelerate an object to about $\frac{1}{1000}$ of ...
- 149k
1
vote
1
answer
368
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laser propulsion from a lagrange point? [closed]
Simply put, would it make sense to place laser in space to propel a solar sail? Thinking about solar sails, and the inefficiencies of sending a laser through the atmosphere, I wondered if it made ...
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11
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4
answers
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Laser propulsion possible?
Is it possible to get an impulse, if you shoot at a solar sails with lasers mounted on the spaceship?
If so, why doesn't a laser create a force, if it fires/releases a photon?
Is the impulse ...
- 421