@science.lu: Balance a helium balloon like in the Take Off Show! 🎈 The balloon should stay floating in the air without flying up or down. You need: - A helium balloon with a string - Various small weights (e.g., coins, clips, paper) - Scissors - Optional: Tape On YouTube (takeoffshow.lu) you’ll find a detailed tutorial to try this challenge. We also reveal the trick for doing it the fastest 😉 #sciencechallenge #Takeoffshow.lu #DIYExperiment #Science

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Wednesday 01 April 2026 16:00:15 GMT