On their way to the 'moon'. Photo | Bart van Overbeeke

Intro 2018 | Fly me to the moon - or in a tree

Build a rocket from a PET bottle that can be shot as far as possible by the use of air pressure. And send (remember the megalomaniac projects of Elon Musk) a car to the moon. Easy peasy lemon squeezy for future physics students, right?

These were some fun assignments set up by study association Van der Waals van Natuurkunde, together with Fokker. Moreover, we weren’t talking about the real moon and a ditto car that had to travel to that moon. No, not that playful. No, the moon was a printed image of this celestial body, and the car a small toy copy, that had to start from the 'hill' behind building Cascade (about three meters high) and neatly land on the moon laid down on the ground (fifteen meters further). For both assignments, the students received a collection of rubber bands, rope, straws, cocktail sticks, balloons, clay, wire and of course the indispensable duct tape.

Rockets with varying success

The missiles were launched with varying degrees of success. Some (parts of the) missiles landed after fifty meters, while others, despite well-motivated designs, went straight to the ground. A highlight of laughter was when a rocket almost wanted to go straight up, and got stuck in the tree above the launcher.

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