Engineers who think the ZigBee wireless network is cool now have support for that view. Quiet Cool Fans is shipping a whole house ventilation system that gives homeowners indoor and outdoor temperature sensors, relative humidity sensors and relays along with a Linux controller. These electronics can be located anywhere and can be moved at will, since they don't require wiring. Quiet Cool teamed up with z-Point Products, a controller developer, and ZigBee chip manufacturer Jennic to come up with a wireless system it says is cheaper than existing wireless solutions.
An in-depth survey of 700 current and future users of 3D printing holds few surprises, but results emphasize some major trends already in progress. Two standouts are the big growth in end-use parts and metal additive manufacturing (AM) most respondents expect.
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