asteroza + cancelling   2

Amazon.com: Sennheiser MB 660 MS (507093) - Dual-Sided, Dual-Connectivity, Wireless, Bluetooth, Adaptive ANC Over-Ear Headset | For Desk/Cell Phone & Softphone/PC Connection | Skype for Business Certified (Black): Electronics
Noise canceling over ear cup headphones that don't leak sound with boomless mike with simple mic mute, wireless, can connect via USB. Looks good for use at work, where you want to listen to music, do VoIP, mute during conference calls, and not be an ass to your coworkers (beyond your exisitng personality...)
wireless  USB  noise  cancelling  headphone  microphone  headset  VoIP 
january 2019 by asteroza
Moment Cancelling Engine | Dan Gurney's All American Racers
Interesting tandem twin motorcycle engine that in theory cancels crankshaft vibration, but while a 4 stroke it sends both pistons down at the same time, so wouldn't there be hammerblow type vertical vibration? The patent covers an intake optimization trick that may be the more applicable innovation.
momentum  vibration  cancelling  tandem  twin  4  stroke  piston  motorcycle  engine  ICE  research  technology  propulsion  transportation  Delicious 
september 2015 by asteroza

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