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seen Jul 25 at 23:24

Jan
1
asked What is wrong in this representation of relative reference systems?
Nov
28
comment What are some scenarios where FTL information transfer would violate causality?
@JustinL. A way you could think about this is perceiving a 2D plane (a paper) from different angles in 3D; if 'all is right', your perception will distort, but you'll never see an impossible shape. The same way with perceiving a 3D body in 4D; depending on how you move in 4D, your perception of the 3D body might change, but you shouldn't ever see something that is impossible.
Nov
28
revised Formation of black holes
edited body
Nov
27
awarded  Teacher
Nov
27
awarded  Critic
Nov
27
answered Formation of black holes
Nov
27
asked How do formulas get figured out?
Sep
23
asked Normal force: up or down?
Sep
22
awarded  Editor
Jul
14
asked Resistance from voltage and charge
Jul
12
awarded  Student
Jul
11
awarded  Supporter
Jul
11
asked What exactly is a mole?