If you are participating with a teacher, please enter your teacher's code here:
An email has been sent to you (or your parent if you are under 18) to get you signed up for the challenge. Stay tuned!
The Printable Toothbrush Going to space can be extremely time and money consuming. So when brainstorming ideas for the mars medical project, I took both of those facts into consideration. Astronauts have to be super vigilant when deciding what they are bringing on the trip, a pound can cost the International space station close to $1000. So with my toothbrush invention I used a replaceable, 4-sided toothbrush head. My toothbrush is compact and simple, and I finished off my idea with a hinged Brussels cover.
Our 3D viewer requires a WebGL enabled browser http://get.webgl.org