If a Web page lacks a time stamp, how do you know when it was created? A new Web application could help.
Physicists have long known that entangled photons can make more precise measurements than independent ones. Now Japanese physicists have built a microscope that proves it.
You’ve probably already heard or read about the massive shift to mobile computing that is underway. But a picture’s worth a thousand words.
The optional solar roof on Toyota’s 2010 Prius may not provide a watt of mobility.
If we want to communicate with other civilisations, it turns out that the laws of physics, the nature of interstellar space and a little common sense place surprisingly strict bounds on how this communication can take place.
Sudoku fanatics have long claimed that the smallest number of starting clues a puzzle can contain is 17. Now a year-long calculation proves there are no 16-clue puzzles.
No prizes for guessing who gets top billing. But who comes in at the bottom?
See hacker Barnaby Jack, who died last week, trick an ATM into spewing out all its cash
As life has evolved, its complexity has increased exponentially, just like Moore’s law. Now geneticists have extrapolated this trend backwards and found that by this measure, life is older than the Earth itself.
Managing brain resources in an age of complexity.