#42 Know Your Elements

A really cool take on The Periodic Table of Elements. In this version, they pair the normal table with a picture of each element, so you can see what they look like. It helps to learn the names of things if you can attach a picture to it in your head. Also it makes you seem smarter if you can point out the name of an element from just a picture. 

#40 Know Your Computer Hardware

This is an informational picture I found most handy when constructing my own computer piece by piece. I've never really known all the parts that go into a computer, or what they look like, but these are essential to know. If you want to learn what all is involved in your computer, or need to figure out what's not working, or even what you will need to build your own computer, this is something you should see. 

#16 A Day In The Life Of The Internet

This doesn't actually teach you anything, but I still find it fascinating that this all goes on, when 10 years ago it barely even existed.