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Game: Guess the mystery object !

HIMNL9

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A help ? ..... it's a very particular scale, that measure something extremely common ..... you need to guess what it do, or the name, or also both :p
 





HIMNL9

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Ok, HMike got it near enough, so we have a winner :beer:

It's a Cavendish scale, used for demonstrate the reciprocal attraction of masses (gravity).

Your turn, Mike.
 
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Ok, what is it fellow scientists ?

1549ks3.jpg
 
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No it's not a ray or stun gun.

Hint: it performs a task when worn on the head.
 
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No not a communications headset, but it fit's on the head in a similar fashion.

Hint: it has three sensors mounted. 2 for light and 1 for movement.
 
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No not a gastroscope.

Hint: one of the colours of light detected is blue, and originates in the sky.

Hint: the blue light is labeled "circadian light".

Hint: the exact name of the device with some "x" hiding the name is.............
Dxyxixexex

Hint: it is a research device into human physiology/psychology.

Hint: OK, too easy now, human beings need how much sleep ? I'm off to bed............
 
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Ding! Piferal is the winner! It is a daysimeter, for analyzing the human need for sleep.
 




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