Einstein's Lecture On Relativity
This photo was taken in 1946 when Albert Einstein was at Lincoln University. It was the first graduate school to grant degrees to black students. In the picture taken, Einstein was lecturing on his theory of relativity. He had given a powerful speech about racism.
Moving a 5MB IBM Hard Drive
This image was captured in 1956, when the box pushed into a truck by men contained a 5MB IBM hard drive. And look at how things have changed since then; we have slim laptops and phones with more storage.