Abstract: We present a smartphone based microscope using elastomer liquid lens as the objective to achieve adjustable magnification without lens displacement or replacement. The microscope is small ...

About 50% of U.S. adults will develop high BP during their lifetime. High BP is the most prevalent and modifiable risk factor for cardiovascular disease and all-cause mortality. The overarching BP ...

Let’s say you want to blink an LED. You might grab an Arduino and run the Blink sketch, or you might lace up a few components to a 555. But you needn’t go so fancy! [The Design Graveyard] explains how ...