Smartphone

Scientists have designed a rapid, portable COVID-19 test that can provide results on a smartphone. Its developers claim that it could broaden access to affordable testing in regions that lack expertise, infrastructure, and specialized equipment for laboratory-based testing.Share on PinterestNew portable COVID-19 tests deliver results quickly and can make testing more accessible.Image credit: Getty ImagesAs…

Your smartphone may be able to tell you when you're drunk - CNN

In the last decade, the smartphone has become a tool for witnessing police violence toward African Americans. From the 2009 killing of Oscar Grant to the 2020 killing of George Floyd, we reviewed the footage and talked to the people who captured it, to see how the accounts of racial injustice became clearer as the…