We first heard about Observos a month ago when it became a participant in our Insert Coin semifinals, but it wasn't until the Hexagonal Research product showed up at Engadget Expand that we were able to see working models of its environmentally aware sensors. Each sensor, which is shaped like a hexagon and is about twice as thick as a hockey puck, is capable of monitoring the temperature, humidity and barometric pressure of virtually any object you can think of. For indoor sensors, a small screen on
