Software

GPS has its own 19-year cicada problem

Most people of a certain age remember the Y2K problem that worried digitalists worldwide when we transitioned from 1999 to 2000 on the night of Dec. 31, 1999. What would happen to computers and systems when the last two digits ...

Engineering

Tiny, cheap solution for quantum-secure encryption

It's fairly reasonable to assume that an encrypted email can't be seen by prying eyes. That's because in order to break through most of the encryption systems we use on a day-to-day basis, unless you are the intended recipient, ...

Computer Sciences

How voice assistants follow inaudible commands

An attack against speech recognition systems with manipulated audio files used to work only via a data interface. Now, all it takes is playing the secret messages via loudspeakers.

Robotics

AI weed-killing drones are coming for mega farms

For the past three years, Terry Aberhart has watched the spindly, fixed-wing drones zip across the big skies over his farm in Canada's Saskatchewan province, testing a technology that could be the future of weeding.

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