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8858 threads, 65110 comments
(17 Viewing)
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11/22/2009
by Guest
If a universal motor runs on both AC or DC, why is my universal device labeled as AC?
Universal motors do not depend on frequency, correct...
Views: 33,
Comments: 5
Last comment 11/22/2009
by Guest
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11/22/2009
by g_nraja
HT fuse inside the VCB ( 22KV ) is burnt out with a frequency one or two day. What could be the reason for failure of VCB.
Views: 12,
Comments: 0
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11/22/2009
by sghoshirca
at no load why is my energy meter showing power factor below 20% ?
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11/22/2009
by porky2009
How can I calculate or discover what VA a transformer is when there are no details on it... I read somewhere some years ago about doing this by calcul...
Views: 30,
Comments: 2
Last comment 11/22/2009
by Guest
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Section Blogs
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36 blog entries, 228 comments
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11/11/2009
I recently came across an item promoting a four-day Cable Loom Assembly class sponsored by Electronics Yorkshire (UK). It occurred to me that I haven'...
Views: 192,
Comments: 12
Last comment 11/18/2009
by MNIce
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10/17/2009
No one's ever told me to my face that I was too old to do a particular job, but I'd be willing to bet that it's happened behind my back. Unfortunately...
Views: 277,
Comments: 8
Last comment 11/15/2009
by Milo
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40 blog entries, 445 comments
(1 Viewing)
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11/10/2009
In the early hard hitting days of professional football, players never wore helmets. Eventually the league started requiring leather helmets leading a...
Views: 16,
Comments: 0
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10/24/2009
For every true life story there seems to be an accompanying true life conspiracy theory. Recent articles and commentary show that wild imaginations ar...
Views: 334,
Comments: 9
Last comment 10/28/2009
by europium
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50 blog entries, 702 comments
(1 Viewing)
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11/10/2009
For some, being technically proficient means rocking their iPod and cruising the latest YouTube videos. But we all know that users of such amusements...
Views: 297,
Comments: 20
Last comment 11/20/2009
by Ed Weldon
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10/25/2009
There are many examples of spectacular engineering from the 20^th century, but my personal favorites include large scale projects combining multiple e...
Views: 422,
Comments: 24
Last comment 11/05/2009
by packrat561
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37 blog entries, 299 comments
(1 Viewing)
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11/06/2009
Been in touch with your BFF's lately? The American Recovery and Reinvestment Act of 2009 (ARRA) is here to help. Funds from the stimulus act are being...
Views: 189,
Comments: 2
Last comment 11/07/2009
by AlexMotto
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10/10/2009
Disease tracking Internet sites, Podcasts, Webcasts, and non-stop coverage on the television news. The 2009 Swine Flu may be the most closely monitore...
Views: 235,
Comments: 5
Last comment 10/28/2009
by pretzel
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32 blog entries, 185 comments
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11/03/2009
by Harry Goldstein
Is there anything that can't be fixed by burrowing an electrode array into the deep tissues of the brain? With varying degrees of success, deep brain...
Views: 179,
Comments: 2
Last comment 11/05/2009
by Cardio07
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10/01/2009
by Harry Goldstein
Last week, Danger Room reported that DARPA's cyber-insect race has yielded a tangible result: a live beetle that can be steered remotely.
And the...
Views: 267,
Comments: 1
Last comment 10/03/2009
by artsmith
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32 blog entries, 254 comments
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11/03/2009
Mobile computing in the cloud can have its pitfalls. For instance, what if you permanently lost all your addresses, calendar entries, e-mails, phone n...
Views: 157,
Comments: 2
Last comment 11/04/2009
by Guest
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10/09/2009
Some — the National Cancer Institute, U.S. Congress, and more — do think more studies should be conducted to determine whether cell phones...
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51 blog entries, 544 comments
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11/02/2009
At last month's PackExpo show in Las Vegas, your correspondent saw a fully automated robotic blackjack dealer complete with articulated arms and a vis...
Views: 219,
Comments: 2
Last comment 11/13/2009
by Guest
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10/02/2009
Up to now, the main output of the smart grid has been hype. While the idea of consumers controlling power usage in response to price changes has advan...
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Other Blog Entries of Interest
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07/22/2009
posted in Workbench Creations
by stevem
So all your parts have arrived, hopefully in good condition
and now it's time to put them all together. Well, not quite yet. The most
important part...
Views: 932,
Comments: 7
Last comment 07/24/2009
by stevem
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03/13/2009
posted in "On This Day" In Engineering History
by Moose
On this day in engineering history, a powerful geomagnetic
storm paralyzed the Hydro-Québec power
grid, leaving 6-million customers without electr...
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09/27/2007
posted in Electronic Test Equipment Blog
Sensors magazine reports that IBM and the Beacon Institute are designing and implementing a sensor system to environmentally monitor all 315 miles of...
Views: 211,
Comments: 0
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09/23/2007
posted in Electronic Test Equipment Blog
by Sharkles
Digital designers are used to working with parallel buses and system clock speeds around 100 to 200 MHz. A wide variety of standards, practices, and t...
Views: 282,
Comments: 0
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09/23/2007
posted in Electronic Test Equipment Blog
by Sharkles
Increasing use and complexity of SOC (system-on-chip) designs has design teams giving more thought to supporting debugging rather than test. An EDN ar...
Views: 205,
Comments: 0
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