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    Highlights

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    What’s the Difference Between Solar Panels?

    Jeff Kerns
    As the solar industry grows, so do the opportunities—finding the right technological/commercially viable mix could prove to be very lucrative.
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    Batteries from Electric Vehicles Should Be Recycled, Not Reused

    Anthony Vicari
    Reusing batteries from plug-in vehicles for home energy storage is an appealing idea, but the economics don’t make sense.
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    Machine Design's Products of the Week (10/7-10/14)

    Leah Scully
    Machine Design's products of the week include medical power supplies, lock-out tag-out hydraulic valves, and sealed rotary encoders.
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    Machine Design’s Products of the Week (8/5-8/12)

    Leah Scully
    This week's product gallery includes helical gearheads, a piston inserter, and automotive surface-mount varistors.
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    Plug-In Vehicles Will Consume $10 Billion in Batteries by 2020

    Anthony Vicari
    Six large carmakers led by Tesla will account for 90% of the demand, while Panasonic will remain the world’s biggest battery maker, Lux Research says.
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    Machine Design’s Products of the Week (2/22-2/29)

    This bi-weekly product gallery includes the news products on the market including four-axes motion controllers and double-acting portable hydraulic pumps.
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    How To Get Big Sounds From Small Speakers

    Paul Pickering
    A new generation of "smart amplifiers," incorporating new driver topologies and DSP technology is significantly improving the quality and volume of sound from speakers.
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    Machine Design’s Products of the Week (1/25-2/1)

    Leah Scully
    This biweekly product gallery includes rotary encoders for washdown environments, along with sensitive springs, and switching elements for human-machine interfaces.
    Image courtesy of the NREL

    Internal Short-Circuit Device Paves Way to Safer Li-Ion Battery Testing

    Leah Scully
    This internal short circuit device provides a controlled method of testing to improve the safety of lithium-ion batteries in space gear and electric-drive vehicles.