Paul Hansel

Tag: automotive

  • A TrailerTail for every EV?

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    paul
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    For a little over a decade, the rare sight of a passive aerodynamic modifier could be seen on highways across America. Depending on your vantage point, it could look like the tail of the Enterprise Space Shuttle… or perhaps a deflated pastry box. TrailerTail® was a hand-operated origami structure that reduced aerodynamic losses at highway…

  • Popping the tire pressure monitoring relearn tool bubble

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    paul
    in

    [2026-03-01]: Ever thought about how these could be used for surveillance? These guys did! https://www.darkreading.com/ics-ot-security/tire-pressure-sensors-silent-tracking [2024-07-06: Updated to include simulation results and more scope traces.] If you own a car, you’ve no doubt encountered this mystery at least once. The tire pressure monitoring system tells you your flat tire is on the driver’s side front,…