Gas Transfer in NYC Cool read about the science
Gas Transfer in NYC
Cool read about the science of Macy's parade helium balloons. At HDI we use the SPR to mix gas and liquid, although inert helium is rarely a request.-
NEW YORK — It'll never rank up there with turkey and pumpkin pie, but for millions of Americans the Thanksgiving experience just wouldn't be the same without ... helium. For 364 days of the year, t...