T&M 
Mattel develops radar gun from inexpensive components
Keywords: radar measurement gun dielectric resonant oscillator
[Summary of tips] Mattel's Hot Wheels Radar Gun (HWRG) is an ingenious toy with a businesslike design. Able to measure scaled miniature Hot Wheels speeds along with real-world speeds (mi/hr or km/hr) at the flick of a switch, the radar gun uses an impressive but inexpensive component set to create a true Doppler radar measurement device. I had a......Please login or register with us to view this article>>
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