The sonic toothbrush offers two-speed settings and a battery life that lasts up to a month based on twice-daily, two-minute brushing sessions, reports the Mirror. It is designed specifically for ...

The toothbrush also has a 30-day battery life when fully charged, should you forget your charger during your holidays. Smart timer control splits the full two-minute clean time into 30-second quad ...

The Amazon Kindle delivers a superb reading experience, with access to an expansive library of e-books. It offers an ...

The toothbrush has excellent battery life and comes with a sleek travel case." Another said: "If you’re keen to really keep your teeth clean then you’ll love this toothbrush. It was bought as ...

I use the Waterpik water flosser at home ... the American Dental Association's seal of acceptance. You rely on your toothbrush to keep your mouth clean, but how often do you think about how ...

More recently, Betavolt announced its 3-volt diamond nuclear battery that uses nickel-63 and a diamond semiconductor using the same beta particle principle that can power a device for 50 years.

When owning a laptop, one of the most important things to know is how to check the battery health of your device. Checking the battery health may mean the difference between forking out hundreds ...

The researchers produced a prototype betavoltaic battery with carbon-14, an unstable and radioactive form of carbon, called radiocarbon. "I decided to use a radioactive isotope of carbon because ...

In the world of batteries, duration is king. Whether nestled in the smallest wearable or providing back-up power for the electric grid, a battery that provides reliable energy for longer will ...

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources ...

This kind of toothbrush has a round brush head ... a timer and a pressure sensor. Battery performance. This test measures how long it takes for devices to charge, how long it takes for them ...