One of the most successful Kickstarter projects right now is Hema-Imager, which has so far secured $86,000 in support. It’s a “wireless thermopile-based imaging device compatible with nearly any smart device” and it features temperature accuracy of 2 degrees Centigrade. This iPhone accessory is basically a cheaper challenger to Flir One, which is currently racking up strong reviews in nerd media. Both gadgets feature heat sensors that are relatively crude but deliver astonishingly sharp thermal images when the data is combined with a smartphone camera’s input. Both products stress their utility as safety devices — they can be used to detect wiring problems, plumbing issues or whether there’s a fire behind a closed door. Flir One’s website seems to also delicately hint at the