Scales do NOT measure Weight!

Contrary to popular belief, bathroom scales do not measure weight. Weight isn't a (Newtonian) force we can measure directly. What do scales actually measure? Let's find out with an experiment. [ Brilliant for 20% off: http://brilliant.org/ScienceAsylum ]

00:00 Cold Open
00:24 Planning the Experiment
01:03 What is Weight?
02:19 Astronauts are NOT Weightless
03:33 Apparent Weight
04:11 The Experiment
05:08 Conclusions
06:40 Buoyancy as a Factor
07:11 Summary
07:57 Outro
08:18 Sponsor Message
09:19 Featured Comment
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