Category Archives: time

In the time side channel, is there any way to improve the measurement time accuracy?

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I want to measure the execution time of a function. The execution time of this function is only slightly different in the two cases. Is there any way I can accurately measure its time to distinguish the two cases?
The possible solutions ar… Continue reading In the time side channel, is there any way to improve the measurement time accuracy?→

Computer Vision Maps Christmas Lights

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There’s a small but dedicated group of folks out there who spend all year planning their Christmas decorations. These aren’t simple lawn ornaments or displays, either, but have evolved into complex lightning performances that require quite a bit of computer control. For some things, hooking up a relay to a …read more

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Shortest event ever measured lasts mere sextillionths of a second

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Physicists in Germany have measured the shortest timespan ever recorded. The team measured the time it takes for a photon of light to travel the length of a hydrogen molecule, and found it to occur in just trillionths of a billionth of a second.Continu… Continue reading Shortest event ever measured lasts mere sextillionths of a second→

Hands off: Jupiter wristwatch uses magnetically-driven beads instead

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Ziiiro’s Jupiter wristwatch takes minimalism to a new level by eliminating not only the numerals and markers but also the hands, in favor of magnetically-driven beads. Available in four color schemes, the timepiece is named for its resemblance to the p… Continue reading Hands off: Jupiter wristwatch uses magnetically-driven beads instead→

Physicists witness time crystals interacting for the first time ever

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We’re quickly learning more about time crystals, strange phases of matter that appear to break time-translation symmetry – something that was thought impossible until recently. Now scientists have observed two time crystals interacting for the first ti… Continue reading Physicists witness time crystals interacting for the first time ever→

Quantum time travel doesn’t follow Back to the Future rules

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Time travel movies have different rules about what happens when you start messing around with the timeline. If you’ve ever wondered which ones make the most sense, we may now have an answer. According to experiments using a quantum time travel simulato… Continue reading Quantum time travel doesn’t follow Back to the Future rules→