Edn.com
#46

EDN

Online edition of US print magazine. Electronics applications, products, technology and design techniques. Archived with free, full-text access. Range of free ...

Link: edn.com

  • Is dark matter about to be discovered? via @EDNcom #space

    Is dark matter about to be discovered?

    edn.com 25 Apr '15, 5pm

    evidence that dark matter exists is pretty simple: the visible mass of galaxies is too small to account for how tightly gravity holds them together. In other words, if the visible mass is all there is, then galaxies should be flying apart much faster than they do. The obvious solution...

  • 1st video is uploaded to YouTube, April 23, 2005

    edn.com 23 Apr '15, 11am

    The first video uploaded to YouTube, “Me at the zoo,” was posted on Saturday, April 23, 2005, at 8:27 p.m. by site co-founder Jawed Karim under the user name "jawed." The 19-second video was shot by Yakov Lapitsky at the San Diego Zoo and shows Karim standing in front of several eleph...

  • Medical devices: Where wireless charging has real impact

    Medical devices: Where wireless charging has real impact

    edn.com 20 Apr '15, 12am

    Wireless charging of personal devices such as smartphones, laptops, and tablets is a hot topic. Several standards are competing to make it possible to just place the device on a table's surface or charging pad, and sit back while energy is transferred without the need to connect to a ...

  • #Medical #maker aims implant at congenital scoliosis #engineering #inspiration

    Medical maker aims implant at congenital scoliosis

    edn.com 17 Apr '15, 5pm

    Here's an example of engineering truly improving lives and one inspiring young maker. Harry Paul, 18, is a freshman at Tufts University in Medford, Massachusetts, studying biochemistry and community health. Paul was born with congenital scoliosis, a spinal deformity caused by vertebra...

  • Dual 13A μModule regulator with digital interface for remote monitoring & control of power

    LTC Design Note: Dual 13A μModule regulator with digital interface for remote monitoring & control

    edn.com 18 Apr '15, 10pm

    Download Design Note 524 (PDF) Digital Power System Management: Set, Monitor, Change, and Log Power Managing power and implementing flexibility in a high rail count circuit board can be challenging, requiring hands-on probing with digital voltmeters and oscilloscopes, and often rework...

  • 1st Chief Technology Officer of the US is named, April 18, 2009

    edn.com 18 Apr '15, 3pm

    On his first day in office, President Barack Obama created the position of Chief Technology Officer (CTO) of the United States. On April 18, 2009, the President named Aneesh Chopra as the nation's first CTO. He was confirmed and sworn in a month later. CTO is a position created within...

  • Meucci acknowledged as telephone inventor, June 11, 2002

    Meucci acknowledged as telephone inventor, June 11, 2002

    edn.com 13 Apr '15, 8pm

    On June, 11, 2002, the United States Congress acknowledged Italian immigrant Antonio Meucci as the true inventor of the telephone. The declaration, approved by the House of Representatives, was made to little fanfare in the US. Meucci’s hometown of Florence, where he was recognized as...

  • #TechHistoryToday: telephone lines used to transmit TV signals live from DC to NY.1927 @pmarca http…

    Hoover joins 1st American demo of long-distance TV, April 7, 1927

    edn.com 07 Apr '15, 1pm

    On April 7, 1927, an audience comprising several dozen newspaper reporters and officials of Bell Telephone Laboratories gathered in New York City to witness the first American demonstration of television. The live picture and voice of Secretary of Commerce Herbert Hoover were transmit...

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