The iPhone enables certain government alerts — emergency alerts and AMBER alerts — by default. These alerts can be critically important, but they override the user’s silent or Do Not Disturb settings and therefore aren’t appropriate for all users or all situations. Here’s how to disable emergency and AMBER alerts if necessary.
Lithium-ion batteries power our digital lives, but can sometimes fail and cause the dreaded swollen battery. Here’s why the batteries in our laptops and smartphones sometimes swell, and what to do about it.
Startup firm One Llama is developing a mobile app that can detect certain sounds in the environment and alert a distracted user. The company hopes the technology will help assist the hearing impaired as well as “distracted walkers” who can’t hear a horn or siren over the sound of their headphones’ music.