http://news.poseidon-us.com/TBm9d2
What does the inside of a cell really look like? In the past, standard microscopes were limited in how well they could answer this question. Now, researchers have succeeded in developing a microscope with resolutions better than five nanometers (five billionths of a meter). This is roughly equivalent to the width of a hair split into 10,000 strands.
http://news.poseidon-us.com/TBm9d2
http://news.poseidon-us.com/TBm9d2