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 What Happens If You Insert a Coin Into Dry Ice? What It Looks Like to Fire a Gun Underwater Spinning Something in a Vacuum Chamber Will Spin Longer Spinning-up a golf ball using only compressed air and your hand Surprising Applications of the Magnus Effect Cup That Holds Water but Can’t Hold Mercury