Smart Inhaler

An increasingly common way of treating cancers, AIDs and diabetes, not to mention asthma, is by inhaling a drug in aerosol form. … Clement Kleinstreuer, a mechanical engineer at North Carolina State University in Raleigh, has developed a computer-controlled inhaler that measures air flow around its nozzle to determine the best moment to release a powdered drug to achieve maximum penetration into the lungs.
NewScientist.com