Happy Independence Day: How Fireworks Work

If you have ever been curious to know how those beautiful displays of color light up the skies each year to celebrate our independence, then check out the video embedded below. In the I Didn't Know That series, National Geographic gives us a glimpse into how fireworks are tested, created, and set off. Very fascinating!

Happy 4th of July everyone!

http://youtu.be/30Qo_l78hdk