Wireless technologies could help cities enhance their parking revenue. Streetline Inc.’s City Infrastructure Technologies system provides real-time information on regulated parking. It includes meter monitors which add two-way networking to standard single-space parking meters, providing real-time auditing and problem alerts. Using Dust Networks’ Time Synchronized Mesh Protocol network also lets city managers understand whether cars are in place when they’re planning street cleaning or snow removal. Systems can also be used in parking garages to help operators find open spaces, using metal sensors tied to network transceivers. Dust Networks uses system on chip (SOC) to keep the size of modules down so they fit on existing parking meters.
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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