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Build Your Own Hi-fi Ear Defenders

Cars That Think

But this tech gets you only so far: Noise cancellation works just for relatively low frequencies, and the overall hearing protection that earbuds can offer is also relatively limited. My approach was to adapt an idea used in some pass-through systems, placing ambient microphones on the outside of sound-isolating headphones.

Building 122
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Dodge Circuit EV First Drive: electric car makes grand promises on Earth Day

Tony Karrer Delicious EVdriven

Well need to spend some more time with the car to find out how it holds up over longer drives, but the powertrain tech obviously works. I also think it will be cheap, which is why I think someone will buy the group. Still, for all the faults, this is a very promising vehicle. to decide if we ever get to see these promises fulfilled.