Thermal cameras, which use infrared to detect heat, provide images of temperature. Firefighters can use them to find people in smokey rooms, law enforcement can use them for surveillance, and technicians can use them to detect power faults. Brea Souders used one to take pictures of everyday foods. [via kottke]
Food pictures taken with thermal camera
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A Diagram of All the Batteries
After an unsuccessful battery search, the natural next step was of course to look up battery sizes and chart all of them.
How Much the Everyday Changes When You Have Kids
I compared time use for those with children under 18 against those without. Here’s where the minutes go.