Philips recently launched an iPad app, Vital Signs Camera, that measures the user's heart rate and breathing via the tablet's front-facing camera. The $0.99 app, available only for the iPad 2, is ...
iPhones equipped with a LiDAR Scanner have a useful trick: they can be used to measure a person's height. In order to take advantage of this feature, you will need an iPhone Pro or Pro Max model ...
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