ERIK MARTIN WILLÈN
Author of science fiction
Friday, May 27, 2016
ISS and Mercury
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Transits of Mercury are relatively rare. Monday's leisurely 7.5 hour long event was only the 2nd of 14 Mercury transits in the 21st ce...
The "Weissenberg Effect" or Rod Climbing Experiment
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You may have noticed when baking that fluids don’t always behave as expected when you agitate them. If you put a spinning rod into a flui...
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