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→Subscribe for new videos every day! http://bit.ly/toptenzsubscribe →10 Reasons Bruce Lee was a Superhuman: http://bit.ly/1Hl4mVu Entertaining and educational top 10 lists from TopTenzNet! Brand new videos 7 days a week! Videos are published at 6pm EST every day! Other TopTenz Videos: Top 10 Obscure Inventions That Killed Their Inventors http://bit.ly/1Muk7gw Top 10 Mind Bending Theories About the Universe http://bit.ly/1CNfpKo We already know that radioactive elements can be used to make electricity, treat cancer, and create bombs with massive destructive power. But radiation is also has many other uses in our everyday life that might not have occurred to you. Text version: http://www.toptenz.net/top-10-cool-ways-radiation-comes-in-handy.php Coming up: 10. Sterilize Food 9. Treat Pain 8. Test Welds for Cracks 7. Track Substances in the Body 6. Carbon Dating 5. Smoke Detectors and Exit Signs 4. Genetically Mutate Plants 3. Ice Cream Quality Control 2. Blue Topaz 1. Check Food for Metal Source/Further reading: http://www.fda.gov/Food/ResourcesForYou/Consumers/ucm261680.htm http://www.thesun.co.uk/sol/homepage/news/5241357/brazilian-wandering-spiders-found-on-sainsburys-fruit.html http://onlinelibrary.wiley.com/doi/10.1002/ajh.21819/full http://luxeadventuretraveler.com/fun-facts-about-the-burj-khalifa/ http://www.epa.gov/rpdweb01/industrial-radiography.html http://hyperphysics.phy-astr.gsu.edu/hbase/nuclear/myoinf.html#c1 http://pubs.acs.org/doi/abs/10.1021/es00163a010?journalCode=esthag http://hyperphysics.phy-astr.gsu.edu/hbase/nuclear/cardat.html http://science.howstuffworks.com/environmental/earth/geology/carbon-141.htm http://www.nfpa.org/safety-information/for-consumers/fire-and-safety-equipment/smoke-alarms/ionization-vs-photoelectric http://home.howstuffworks.com/home-improvement/household-safety/fire/smoke3.htm http://www.nrc.gov/reading-rm/doc-collections/fact-sheets/fs-tritium.html http://www.nytimes.com/2007/08/28/science/28crop.html?_r=0 http://samples.sainsburysebooks.co.uk/9780470021088_sample_380250.pdf http://www.nrc.gov/about-nrc/radiation/around-us/uses-radiation.html http://public-blog.nrc-gateway.gov/2014/12/08/blue-topaz-the-irradiated-gemstone/ http://www.gia.edu/gem-treatment http://www.npr.org/sections/thesalt/2012/01/10/144957614/x-rays-scan-foods-for-the-secret-ingredient-that-could-break-a-tooth http://www.npr.org/sections/thesalt/2012/01/12/145107755/why-x-rayed-food-isnt-radioactive-and-other-puzzlesPS%20folders