Thus, they entered a heart rate sensor to our 2025 One Hertz Challenge! The build is based around a Wemos D1 mini, a ESP8266 development board.

To set up the Blood Oxygen sensor, open the Watch app on your iPhone and tap the setting for Blood Oxygen. Turn on the switch for Blood Oxygen Recordings, if it’s not already on.

Trump Plans Military “Reaction Force” to Use Against Americans A disturbing new report reveals how Trump wants to use the military to crush civil unrest.

The Air Force believes America's enemies may use Tesla's trucks in the future, so the branch wants to see how they hold up against various munitions.

Now, a team of researchers from the University of Oxford, UCL, and Xi’an Jiaotong University may have found a solution. They’ve developed a soft, self-powered wearable sensor that uses AI to ...

The study looked at national incidents of police using lethal force. The total number of such incidents in 2023 was the lowest in almost a decade.

Camera manufacturers tend to not want you to use filters over the camera sensor because they state that the image quality degrades. However, that’s not really the case.

Afghanistan's Taliban rulers divert international aid by force and other means, block minority communities from receiving aid and may collude with U.N. officials to seek kickbacks, a U.S. watchdog ...

The Taliban on Thursday denied using force to divert international aid in Afghanistan, responding to a U.S. watchdog report that said authorities used “every means at their disposal, including ...

Federal investigators fault guards for inappropriate use of force on detainees, among other deficiencies.