jul 28, 1844 - J.J Thomson continues Dalton's work on subatomic particles
Description:
J.J Thomson added to Dalton's model by being credited as the first person to discover a subatomic particle. he named these electrons, and they were smaller than the atom itself.photo credit:
http://science.jrank.org/article_images/ep201102/science/science982.jpg
Added to timeline:
Date:
jul 28, 1844
Now
~ 181 years ago