Developed in Japan, the sensor detects acetone concentration levels and sends them to a smartphone within 10 seconds to alert the user whether fat is being burned.
Using items you can find around the home or at a hardware store, here's how to polish your 3D-printed objects to a glossy smoothness.
False fingernails called Elektra Nails have a capacitive tip so you can use them on your smartphone or tablet screen just like a stylus.
DoCoMo's prototype phone cases being shown at Ceatec 2011 add specialized sensors to get readings on UV radiation or your waistline.
Diabetics can have a "fruity" odor to their breath that indicates high glucose levels, and chemists at the University of Pittsburgh say this biomarker alone can diagnose the disease.
You'll find as many methods for cleaning a TV screen as there are people you ask. Here's our perspective.
Remember when your computer LCD display had that brand-new, fresh out-of-the-box shine? If it's looking a bit dull lately, we'll show you how to safely give it a good cleaning.
Researchers hope to soon be able to test our breath for a wide range of "biomarkers" -- molecules that could indicate the presence of a particular disease.
Have you ever scanned a photo, only to see specks of dust in high resolution? We show you how to safely and effectively clean the glass on your scanner.