How Do Thermal Imaging Goggles Work?

Skillshare is offering SciShow viewers two months of unlimited access to Skillshare for free! https://skl.sh/scishow16 Movies like Predator reveal how useful thermal imaging goggles can be, but why do hot objects give off infrared radiation to begin with? Hosted by: Michael Aranda ---------- SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org ---------- Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Sam Lutfi, D.A. Noe, الخليفي سلطان, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, charles george, Kevin Bealer, Chris Peters ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://galileo.phys.virginia.edu/classes/252/black_body_radiation.html http://astronomy.swin.edu.au/cosmos/B/Blackbody+Radiation https://electronics.howstuffworks.com/gadgets/high-tech-gadgets/nightvision.htm https://www.smithsonianmag.com/smithsonian-institution/ask-smithsonian-how-does-night-vision-work-180956656/ https://www.britannica.com/science/light/Unpolarized-light#ref582113 https://www.sciencedirect.com/science/book/9780123869449 Images: http://www.thinkstockphotos.com/image/stock-photo-human-body-thermal-image/504239752 https://en.wikipedia.org/wiki/File:Thermally_Agitated_Molecule.gif https://en.wikipedia.org/wiki/File:EM_Spectrum_Properties_edit.svg https://en.wikipedia.org/wiki/File:Black_body.svg https://commons.wikimedia.org/wiki/File:Ilc_9yr_moll4096.png