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Worst suspicions confirmed: The terrible security of internet routers

April 7, 2021 By Lee Teschler

Leland Teschler, Executive Editor Here’s the latest IoT security nightmare: All of the wireless routers through which most IoT traffic passes are probably vulnerable to botnets and other kinds of security breaches. That’s the conclusion of researchers at Fraunhofer FKIE in Germany who analyzed 127 different routers sold by seven vendors. The routers they examined […]

Filed Under: Applications, Consumer, FAQ, Featured, IoT, Microcontroller Tips, Telecommunications Tagged With: commentary

Battery breakthrough fatigue

February 4, 2021 By Lee Teschler

Leland Teschler • Executive Editor For some cheap thrills, try Googling the words “battery breakthrough.” You’ll be presented with page after page of articles breathlessly chronicling one research result after another in energy storage. But you might wonder why, with so many earth-shattering developments, electric vehicles can’t travel 1,000 miles before needing a recharge. The […]

Filed Under: FAQ, Featured, Power Electronic Tips Tagged With: commentary

How to electrocute yourself in a few easy steps

October 17, 2019 By Lee Teschler

Here’s a fun project: Pop open an old microwave oven and scavenge the high-voltage transformer powering the cavity magnetron vacuum tube. Then use it to make yourself a Lichtenberg generator. But be sure there’s someone nearby to call an ambulance. Lichtenberg generators are used to create art and abstract objects by burning fractal patterns into […]

Filed Under: Featured, Power Electronic Tips Tagged With: commentary

Now or later? No time for time-of-use energy savings

March 1, 2019 By Lee Teschler

Leland Teschler, Executive Editor One of the big justifications for smart home electronics and internet-of-things pipe dreams is a concept called time-of-use electricity billing. Long used for industrial concerns, the plan is to bring TOU billing to households, so they’ll be charged more for electricity they use during periods of peak use, less for juice […]

Filed Under: Featured, Power Electronic Tips Tagged With: commentary

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