Humans have long known that glass bends light. However, it took us awhile to figure out that stacking lenses in a tube would open up a whole new world to science, finally allowing us a peek at the microscopic.

Labverse: http://www.labverse.com
----------
Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/artist/52/SciShow

Or help support us by subscribing to our page on Subbable: https://subbable.com/scishow
----------
Looking for SciShow elsewhere on the internet?
Facebook:   / scishow  
Twitter:   / scishow  
Tumblr:   / scishow  

Thanks Tank Tumblr:   / thankstank  

Sources:
http://www.nobelprize.org/educational...
http://micro.magnet.fsu.edu/primer/mu...
http://www.visioneng.com/resources/hi...
http://campus.udayton.edu/~hume/Micro...
http://www.howeverythingworks.org/sup...