I mentioned two invention challenges for students last week, and I am thrilled to add another opportunity to the list.  The Star Trek Replicator Challenge is being offered by NASA and The ASME Foundation.  The launch video is a great introduction to the challenge, which invites students to “design a non-edible, food related product for astronauts to 3d print in the year 2050.”  The contest opened on 2/16/16, and will close on 5/1/16.  You can find rules and specific guidelines (which are a bit intimidating) on the official challenge website.