Since this is our most popular video right now,

we'll take this Tuesday, June 2nd, to say

#BlackLivesMatter


WATCH VIDEO:

Read more: How Does the Mirage Mirror Work?

An example of how every day products can be optically active.


WATCH VIDEO:
 

Total internal reflection can be used to bend a beam of light.


WATCH VIDEO:

Read more: Internal Reflection

A great way to show Total Internal Reflection and how it works!


WATCH VIDEO:

Read more: Lightpipe - Multiple Internal Reflections

A diffraction grating shows the distinct line pattern of a plasma.


WATCH VIDEO

Read more: How to See Atomic Spectra