Click here to subscribe: bit.ly/Subscribe2SED For a total of $60 off of HelloFresh, that’s $20 off your first 3 boxes, visit bit.ly/2NOfvZB and enter smarter60 ⇊ Click below for more links! ⇊ Slow motion sound and musicy things by: Gordon McGladdery did the outro music the video. Checkout "A Shell In The PIt" On spotify: open.spotify.com/artist/0HIiXblDOFPXxkuI35wOMx The song is on bandcamp: ashellinthepit.bandcamp.com/track/kabamjo ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ GET SMARTER SECTION en.wikipedia.org/wiki/Field_artillery_in_the_American_Civil_War en.wikipedia.org/wiki/Shock_wave Frame Differencing: www.youtube.com/watch?v=2xOxaPfdg2Q Comparison of motion detectors www.youtube.com/watch?v=XmI2kE2hUgE ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Tweet Ideas to me at: twitter.com/smartereveryday I post stories on Instagram www.instagram.com/smartereveryday I'm "ilikerockets" on Snapchat. Snap Code: i.imgur.com/7DGfEpR.png Smarter Every Day on Facebook www.facebook.com/SmarterEveryDay Smarter Every Day on Patreon www.patreon.com/smartereveryday Smarter Every Day SubReddit www.reddit.com/r/smartereveryday The thought is it my efforts making videos will help educate the world as a whole, and one day generate enough revenue to pay for my kids college education. Until then if you appreciate what you've learned in this video and the effort that went in to it, please SHARE THE VIDEO! If you REALLY liked it, feel free to pitch a few dollars Smarter Every Day by becoming a Patron. www.patreon.com/smartereveryday Warm Regards, Destin