Hi Tech & Innovation

Wi-Fi could help identify when you're struggling to breathe

Wi-Fi routers continuously broadcast radio frequencies that your phones, tablets and computers pick up and use to get you online. As the invisible frequencies travel, they bounce off or pass through everything around them—the ...

Business

Amazon's telehealth arm quietly expands to 21 more states

An Amazon telehealth outfit that started as a pilot service for Seattle-area employees and their families has quietly filed paperwork to operate in 21 more states, a signal of Amazon's expanding ambitions for the $3.8 trillion ...

Engineering

Engineers develop 3-D-printed ventilator splitters

In response to a pressing need for more ventilators to treat critically ill COVID-19 patients, a team led by Johns Hopkins University engineers is developing and prototyping a 3-D-printed splitter that will allow a single ...

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