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That Was Tricky! Where were our wireless packets?

Clive Maxfield
1/27/2012 08:34 PM EST

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re: That Was Tricky! Where were our wireless packets?
RICARDO.MOTTA   2/2/2012 12:20:30 AM
Hi David, When I say particles, I mean powder, ok? It's not a Faraday cage as we understand like a box, because all the air there is surrounded by the dust when machines are working. Thanks for your interest and cheers. Ricardo

David Ashton
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re: That Was Tricky! Where were our wireless packets?
David Ashton   2/1/2012 12:13:51 AM
Nice story Ricardo.... but how big were these graphite particles? My understanding was that to interfere with a radio signal the interfering particles had to be around the same size as a 1/4 wave of the signal (for instance I know raindrops falling elongate to around 1/4 wave size for 12 GHz satellite signals). I guess they could also form a kind of faraday cage round antennas though. We had a guy here once who set up an infrared data link between two buildings. It worked beautifully and he was very proud of himself. Then one day there was a thick fog and the link wouldn't work. He hadn't thought of that.....

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David Patterson, known for his pioneering research that led to RAID, clusters and more, is part of a team at UC Berkeley that recently made its RISC-V processor architecture an open source hardware offering. We talk with Patterson and one of his colleagues behind the effort about the opportunities they see, what new kinds of designs they hope to enable and what it means for today’s commercial processor giants such as Intel, ARM and Imagination Technologies.