At around 2.35pm on a sunny weekday afternoon, a 19-year-old Blinkit delivery executive picks up his first order of the day from a “dark store” in Ashram – a packet of bread and a few chips – and sets ...

I own a digital 24-hour clock (i.e., a military time clock) that displays in HH:MM format. Each digit uses the standard seven-segment display in which seven lights toggle on or off to form numbers, as ...

The original version of this story appeared in Quanta Magazine. In 1994, an earthquake of a proof shook up the mathematical world. The mathematician Andrew Wiles had finally settled Fermat’s Last ...

Want to amaze your friends with a mind-blowing card prediction trick? This easy tutorial will teach you how to perform the "Clock Face Prediction" trick like a pro. Perfect for beginners and magic ...

THIS useful volume is an excellent specimen of the work published by the University Tutorial Press. The treatment of the elementary rules calls for no special remark. The plan of explaining the nature ...

A basic feature of number theory, prime numbers are also a fundamental building block of computer science, from hashtables to cryptography. Everyone knows that a prime number is one that cannot be ...

Timing is everything these days. Our communications and GPS networks all depend on keeping careful track of the precise timing of signals—including accounting for the effects of relativity. The deeper ...

Any random sequence of events, such as the lapping of ocean waves on the shore, can become a clock – and physicists have now devised a mathematical procedure for making such an odd timepiece and for ...