Spinnor's latest activity
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Spinnor reacted to Demystifier's post in the thread Graduate Entanglement swapping and Bohmian mechanics with
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One more point, that points to the core of the confusion. To decide whether a certain state in the Hilbert space ##{\cal H}## is... -
Spinnor reacted to Hornbein's post in the thread Structural failure (buckling) of columns in NY City building, 235 E 42nd Street with
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"Work to rebuild the buckled sections of the skyscraper won’t delay the construction project scheduled to be completed next year," I... -
Spinnor reacted to DaveE's post in the thread How to measure the diameter of a shaft without a caliper? with
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Maybe place the shaft on top of the best ruler you have and take a picture with your phone as perpendicular to the ruler as possible... -
Spinnor reacted to Roberto Pavani's post in the thread High School Tennis Balls in the Ocean with
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An equivalent way to see it: the sea level rise is the same as the water rise you'd observe when placing one tennis ball in a... -
Spinnor replied to the thread Undergrad Textbook description of R##\ddot{\text o}##mer's light speed calculation.Thinking about the data is what feels important to me. Lag is small at first because the separation changes slowly at first. Daily lag... -
Spinnor replied to the thread Undergrad Textbook description of R##\ddot{\text o}##mer's light speed calculation.Let the period be 2 days and take measurements for half a year. In that time Jupiter moved roughly 1/24 an orbit so in the half year we... -
Spinnor replied to the thread Undergrad Textbook description of R##\ddot{\text o}##mer's light speed calculation.Maybe it would be helpful to produce an imaginary data set. Let Io make one complete orbit in a nice round number, say 1 day or one week...