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A comment on Physicists have filmed the oscillation of a time crystal. Parent comment

Re:Physicists have filmed the oscillation of a time crystal by yccs27 on Tuesday March 02, 2021 @05:40PM (#26322116)
Unfortunately, time crystals do require an external excitation. The key is that the excitation does not have the same frequency as the time crystal.
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Re:Physicists have filmed the oscillation of a time crystal by selimthegrim on Tuesday March 02, 2021 @07:01PM (#26322989)
Exactly, thinking about a parametric oscillation might help
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