A stretchy stick-on patch can take blood pressure readings from deep...

The last time you had your blood pressure checked, it was probably at a doctor’s office with a bulky cuff wrapped around your...

Why did Amazon make an Alexa-controlled microwave?

Amazon has unveiled a microwave that can be controlled using its Alexa voice assistant.Our North America technology reporter Dave Lee found out why...

A Guide to Using Natural Light for Macro Photography

Working with natural light can seem daunting. Yet as a macro photographer, I love natural light. I’ve spent years studying it, playing with...
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