Technology

In the past years, invisibility cloaks using metamaterials have developed for various senses. At certain wavelengths, objects can be hidden from light, for example, and even heat or sound. But touch…

Einstein's theory of relativity conceptualizes time as we would a spatial dimension, like height, width, and depth. But unlike dimensions, time seems to permit motion in only one direction: forward.…

It's puzzling how some people can look at a baby and say 'she looks like her dad' - computers have historically been even more limited. While a four-year-old can look at a cartoon of a chicken and…

Researchers have created a noninvasive way to detect heart-transplant rejection weeks or months earlier than previously possible. The test relies on the detection of increasing amounts of the donor's…

A paper presented at the ACM SIGMETRICS conference today revealed a crucial security problem in Google Play, the official Android app store where millions of users of Android, the most popular mobile…

The process of blood glucose control could improve dramatically with a bionic pancreas, according to a new study. Currently, people with type 1 diabetes maintain a constant vigil because their…

Most people feel comfortable conducting financial transactions on the Web, the cryptographic schemes that protect online banking and credit card purchases have proven their reliability over decades.…

The first cases of Mad Cow disease in humans - properly known as variant Creutzfeld Jakob Disease, or vCJD, though no one recognizes that name - occurred in the late 1990s and were thought to be the…

Phone dating apps used by gay men to find a sexual partner lead to a higher risk of getting common sexually transmitted infections than meeting online or in bars and clubs, suggests a new paper in…

As I write this impromptu post the 2nd day of a search technology conference in Seattle is closing with the usual after-hours partying.  People are happily writing blog posts and newsletters…