The Magdeburg hemispheres

Depiction of a 24-horse version of the Magdeburg hemispheres from the 1899 book Album of Science

Depiction of a 24-horse version of the Magdeburg hemispheres from the 1899 book Album of Science: Famous Scientist Discoveries.

Wat 24 paarden niet vermocht, kon de zachte hand van de diplomaat.

Put hemispheres precisely together so that all edges match. Pump air out of the space between hemispheres. The inner pressure highly decreases. Because of the difference in pressure the outer air pressure highly presses hemispheres together. When the air leaks again between hemispheres, hemispheres get apart again. Otto von Guericke was the first who exposed this experiment for the emperor in Magdeburg in the year 1654. Two horse teams weren’t strong enough to separate the hemispheres. This is physics experiment for science project.

2 That moment that everything fits together and makes sense


A 13 year old boy…

1 Teen genius makes eureka discovery that turns the science world upside down | 60 Minutes Australia

20 dec. 2019

Let 60 Minutes introduce you to 18-year-old Jack Andraka. Just a few short years ago, Jack was a bullied teenager – a self-confessed science nerd who had revealed he was gay.
 
Full Episodes here http://9Soci.al/sImy50wNiXL
 
Then he lost a close family friend to the most unforgiving of diseases, pancreatic cancer. That’s when Jack had his Eureka moment and made a discovery that turned the science world on its head – and it all began in his basement science lab.

2 Kicking Ball Through Window Prank – Just For Laughs Gags

3 mei 2011

A kid asks for his ball back, but all the people are framed into kicking it through a window.
 
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