Design a demonstration that illustrates physical concepts or phenomena and enter it into the contest. The design must not have been presented or judged previously. It will be judged for originality and fidelity to the physical principles that are being illustrated. They should deal with anything related to physics or astronomy. Posters should be turned in at registration time, and will be judged according to content and artwork.
Entries are limited to one poster per person.
No other materials may be used. Materials and construction aids will be provided. The tower may not be attached to the floor or any other object. Height is determined by measuring the perpendicular distance from the highest point on the tower to the supporting surface. The launcher must be built before the competition.