A flexible battery powered by humid air can run wearables without toxic metals, and one version self-destructs when tampered with.
The Hearty Soul on MSN
9+ things you didn't know your Apple Watch could do
Discover 9+ Apple Watch hidden features most people never use, from FDA-cleared ECG and sleep apnea detection to fall ...
Carbon monoxide detectors can emit various types of beeps. Some are relatively innocuous, while others are high-priority alerts that you should not ignore.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results