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[Lindsay] has a wonderful writeup about a new toy in the shop, an ultrasonic transducer. The 28kHz, 70W bolt-clamped Langevin transducer by itself is not much use, you need a power supply, a horn to focus the energy, and a way to tune it. [Lindsay] starts off by showing how to find out the resonant [...]

Tags:  powering transducer ultrasonic scott ultrasonic-transducer langevin new-toy Hardware  

[Alex] got his hands on an Epiloge laser cutter the easy way — the company he works for bought one. We’re sure he’s not trying to rub it in, but he really does make the tool look and sound cool in the post he wrote purely to show off the new toy hardware. This model is [...]

Tags:  didn case laser alex laser-cutters laser-cutter new-toy hacks  

The iRobot Warrior 710 is shown here touting a new toy called an APOBS or Anti-Personnel Obstacle  Breaching System.  The system is comprised of an explosive rope pulled by a rocket. We know that sounds pretty awesome, and you can see in the video that it is, in fact, pretty awesome. We don’t condone violence, [...]

Tags:  system irobot rope new-toy obstacle robots hacks