BART KNOLS thrusts his arm into a plastic chamber the size of a meat safe. (newscientist.com)
Echocardiography is useful in determining a definitive diagnosis of underlying structural disease as it provides a quantitative evaluation of heart chamber size, wall thickness, and the dynamic changes that occur during the cardiac cycle.1 (epictrial.com)
In a lab in Cambridge, Mass., a vacuum chamber the size of a shoebox has made history. (discovermagazine.com)