CES 2018

​Hair isn't something you'd normally associate with consumer electronics, but then not all hair-care systems are as tech-heavy as Schwarzkopf Professional SalonLab. It's currently on display at CES in Las Vegas, where it's won two Innovation Awards.

More and more tech companies are pumping money into devices built to help us rest easy. Among those is Philips, which has introduced a new wearable that plays soft tones to help you draw more energy from a night's rest.

​We've already seen bracelets that monitor the wearer's exposure to the sun's ultraviolet rays. Now, L’Oréal has teamed up with Northwestern University to create a thumbnail-mounted gadget that does the same job. According to the university, it is the world's smallest wearable device.

After patients have been under general anesthesia, they'll often require therapy in order to regain their full respiratory function. Although this typically involves using an analog device known as an inspirometer, a doctor from the Samsung Medical Center has created a more high-tech alternative.