Month: September 2018

Most people who get a tattoo do so to express themselves, commemorate an occasion, or even turn an insecurity into art. But not everyone wants permanent ink on their bodies. While a traditional temporary tattoo might seem rather juvenile, there's nothing childish about the hi-tech tattoos that are being developed and worn in the digital age. And many of them serve an even greater purpose than mere decoration. Wearable technology has been around for a while now, and some of those wearables manage to combine function with fashion. But if you don't like the obvious look of an Apple Watch, you might be into something a bit more feminine and metallic. DuoSkin, with help from MIT and Microsoft, is developing wearable, temporary tattoos layered with gold or silver leaf that look like jewelry b...

Diesel engines may rank number one when it comes to internal combustion efficiency (there are about 50 models of diesel engines available to customers today), but their use isn't necessarily the best for the environment. The EPA has established standards that limit the amount of sulfur contained within diesel fuel, which allows it to burn cleaner. In accordance with that restriction, the International Maritime Organization has placed a new cap on sulfur quantities in fuel oil in the hopes of significantly reducing the amount of sulfur oxide emanating from ships (which should have major health and environmental benefits for the world, particularly for populations living close to ports and coasts). As a result, many engineers are trying to find a viable solution to keep within the sulfu...