Comment by bloopernova
15 hours ago
(I didn't understand the math in the paper)
Would this mean that a rotating body in space would eventually slow down? In other words, amplifying EM radiation draws energy from angular momentum?
15 hours ago
(I didn't understand the math in the paper)
Would this mean that a rotating body in space would eventually slow down? In other words, amplifying EM radiation draws energy from angular momentum?
There's a similar effect https://en.wikipedia.org/wiki/Yarkovsky_effect
Cool. Also may be useful to read Zel'dovich's second paper on the phenomena. http://jetp.ras.ru/cgi-bin/dn/e_035_06_1085.pdf Interestingly, in his paragraph about previous work, he did not mention Yarkovsky:
"According to a remark by P. L. Kapitza, the effect is analogous to amplification of sound by reflection from a resting-medium boundary that moves with supersonic velocity... In the case of plasma waves, a similar effect was considered recently by Ostrovskil. Mention can also be made of earlier studies dealing with the motion of a conducting liquid in a resonator or the motion of carriers in the interior of an elastic piezoelectric or over its surface."
reminds me of:
https://en.wikipedia.org/wiki/Crookes_radiometer
On a wiki rabbit hole from that link to the Apophis asteroid, to rage and rage 2 video game plots.
all such rabbit holes lead either to SCP or tvtropes.org
Yes, it probably even works in total isolation from any radiation, because it can interact with quantum vacuum and give off energy to create photons. That's the next thing they are trying to prove.