RT @MDSTEM4future: “Put 3 grains of sand in a castle & it is more filled with sand than space is with stars.” -Mae Jemison, @NASA #astronaut #WASTEMsummit
RT @MDSTEM4future: “Put 3 grains of sand in a castle & it is more filled with sand than space is with stars.” -Mae Jemison, @NASA #astronaut #WASTEMsummit