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seen Mar 23 at 15:59

Jul
15
awarded  Yearling
Aug
21
revised Is it possible to generate an instrument which can generate wireless electricity?
added 218 characters in body
Aug
21
answered Is it possible to generate an instrument which can generate wireless electricity?
Aug
16
comment Tips on teaching Dimensional Analysis?
Dimensional analysis is not very useful in finding exact answers to questions (like yours). It's a way to find a relation between variables which could be of by a constant factor. For example, $s = g t^2$ and $s = 0.5 g t^2$ are both dimensional correct, but only the second describes the relation between travel distance $s$ and travel time $t$ of a free falling object.
Jul
31
awarded  Critic
Jul
20
revised How do mirrors work?
added 1 characters in body
Jul
20
answered What voltages are used to “safely” shock someone (as in a carnival game)
Jul
20
answered How do mirrors work?
Jul
20
awarded  Citizen Patrol
Jul
17
awarded  Editor
Jul
17
revised Can you use PCR to make a standard kg?
added 604 characters in body
Jul
17
answered Can you use PCR to make a standard kg?
Jul
16
awarded  Nice Answer
Jul
16
comment Hermitian operator ?? is this possible
One problem could be that by restricting your operator to be real you can't differentiate it with respect to $\Psi(x)$ and thus also not with respect to $x$.
Jul
16
comment What exactly is a kilogram-meter?
@dirtside A kilogram meter could come up in balancing, where it would be the 'torque'-like equivalent of one kilogram at one meter from the turning point. I say 'torque'-like because torque would be measured in Newton-meter, which only differs by the gravitational accelerating $g$ as extra multiplier.
Jul
15
awarded  Supporter
Jul
15
awarded  Teacher
Jul
15
answered What exactly is a kilogram-meter?