Along with equipment and supplies for the astronauts, the rocket was supposed to deliver several scientific experiments, including one Grattoni and his team spent five years perfecting: a study of how drug-like particles disperse through 100 tiny channels etched in a dime-sized microchip. […] it hit him: the rocket — and his work — was gone. Led by Grattoni, the center has secured coveted approval to conduct several experiments in coming years aboard the $100 billion space station, where scientists can exploit the lack of gravity about 200 miles above the Earth’s surface to perform studies they wouldn’t otherwise be allowed to do on Earth.