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30 déc. 1878 - Sir William Crookes

Description:

Discovered cathode rays had the following properties: travel in straight lines from the cathode; cause glass to fluoresce; impart a negative charge to objects they strike; are deflected by electric fields and magnets to suggest a negative charge; cause pinwheels in their path to spin indicating they have mass.

Ajouté au bande de temps:

Scientific method of atom

ByNashua Lovett
11 déc. 2018
0
0
306

Date:

30 déc. 1878
Maintenaint
~ Il y a 146 ans
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