Researchers Build a Microfluidic Flowmeter

NIST scientists have built a flowmeter that can track flows of a billionth of a liter per minute in real time.
<a href="https://www.machinedesign.com/mechanical/researchers-build-microfluidic-flowmeter?NL=MACD-001&Issue=MACD-001_20180205_MACD-001_699&sfvc4enews=42&cl=article_2_b&utm_rid=CPG05000000559845&utm_campaign=15199&utm_medium=email&elq2=2717a8519ffd432a88485ab05d8dcaf3" target="_blank" rel="nofollow noopener noreferrer">StackPath</a>