http://jiahao.github.io/julia-blog/2014/06/09/the-colors-of-chemistry.html A step-by-step tour on how to derive the visible spectra from absorption and emission spectra.
http://scriptunasimages.wordpress.com/2012/11/23/inside-nasas-rubber-room/ NASA built a shock-proof rubber room underneath each launch platform.
http://www.time.com/time/health/article/0,8599,2118455,00.html?hpt=hp_t2 Scientists have found why store-bought tomatoes don't have as much flavor. Here's a bonus article on the tomato industry in Florida.
http://spectrum.ieee.org/automaton/robotics/artificial-intelligence/robot-hand-beats-you-at-rock-paper-scissors-100-of-the-time#.T-oNnmOGhzI.hackernewsScience has created a robot that always wins at rock paper scissors.
http://www.camp-cook.com/forum/viewtopic.php?t=1720 You can use electrolysis to clean up rusted cast iron. Scroll down for followup pictures.
http://www.nakedwhiz.com/burntimetest/lumpcompare.htm An attempt to measure and compare charcoal brands.