This Is What Happens When You Dissolve an Antacid On the Space Station Astronauts on the International Space Station dissolved an effervescent tablet in a floating ball of water. Facebook Prev Article Next Article Experiments Checkout these cool gadgets... Related Posts Stacked Ball Drop Experiment Mars500 – The Simulated Mars Mission On Earth Liquid Nitrogen Under Vacuum Another Look at Magnetic Levitation Floating an Anvil on Liquid Mercury Impressive Liquid Repellent Tests