94 Year-Old Inventor

[AllDone]

Here's a story about the scientist who invented the lithium-ion battery and has just patented a significant battery breakthrough. At 94, he is not yet retired -- lucky for us.

[Walt34]

I love this quote:

Quote:

Last but not least, he credited old age with bringing him a new kind of intellectual freedom. At 94, he said, “You no longer worry about keeping your job.”