sending astronauts on manned missions and probing deeper into the universe

and culture -- and now this Linguistics notebook can inspire all your communication

design propulsion systems

and the nervous system

this dot grid journal begs to be filled with anatomy notes

Equations That Changed the World Shoulder Tote Volume_18 oz | 530 mL sending astronauts on manned missionsShow off your mathematical prowess with this deep blue and gold shoulder tote that celebrates some of the great equations that changed the world. Use it to carry your TI 89, a notebook for impromptu proofs, your favorite math text and a draft of your dissertation. This canvas bag is reversible so you can wear it with the printed design on the outside or the inside two bags in one!