Remotely Stopping Polish Trains

Turns out that it’s easy to broadcast radio commands that force Polish trains to stop:

…the saboteurs appear to have sent simple so-called “radio-stop” commands via radio frequency to the trains they targeted. Because the trains use a radio system that lacks encryption or authentication for those commands, Olejnik says, anyone with as little as $30 of off-the-shelf radio equipment can broadcast the command to a Polish train­—sending a series of three acoustic tones at a 150.100 megahertz frequency­—and trigger their emergency stop function…

August 28, 2023
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Are Electric Vehicles Killing the Spare Tire?

The “vast majority of battery-powered and hybrid cars” don’t have a spare tire, reports the Los Angeles Times.

Honda told one complaining customer that “if the vehicle is in an accident, the spare tire can cause damage to the electric battery which c…

August 21, 2023
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