Chris "The Crispiest Bacon" Hill made this perfectly-designed chart showing how long different brands of alkaline battery lasted in the same flashlight. The surprise would seem to be the Rite Aid and CVS store brands. [Via Data Is Beautiful]
Duracell wins battle of the alkalines, but cheap brands do well
Skills trees for makers
Maker Skill Trees publishes RPG-style skill trees for all sorts of hobbies, crafts and disciplines: useful for motivating learners or satisfying the experienced. There's dozens of them at the repo… READ THE REST
Calculating Empires: an huge online chart of tech history
Calculating Empires is a "a genealogy of technology and power since 1500" — a beautiful and interactive monochrome chart you can zoom in and out of to trace the connections… READ THE REST
Magenta is the color of danger in new climate change heat risk chart
Step aside, color red, there's a new, scariest hue in town. This Earth Day, the National Weather Service and the Centers for Disease Control announced a new, color-coded heat risk system.… READ THE REST
Catch peeping toms with this all-purpose hidden camera detector
TL;DR: Fight back against peeping toms and grab this hidden camera detector that can also pick up GPS trackers and audio bugs—now over 40% off for one more day. While the hidden cameras… READ THE REST
Digitize decades of memories with Kodak's scanner—now $164.97
TL;DR: Preserve old memories with the Kodak Slide N Scan Film and Slide Scanner, only $164.97 (reg. $224). Let's face it: finding a gift for grandparents is like trying to solve a riddle wrapped… READ THE REST
Transform your old car into a smart car for just $74.97—no mechanic needed!
TL;DR: Modernize your older car with a plug and play 7-inch Wireless Car Display, on sale for $74.97 (reg. $139). Click here to check out. I don't want a new car. My… READ THE REST
