What happens to something airtight when the air around it changes? Find out by making a pressure bottle and squishing some foamy materials. Download the Squish Bottle PDF (375 Kb). Adobe Acrobat ...

In a bottle having a long narrow neck, the pressure is greatest on the base, and then on the semi-circular portion where the bottle bulges out. When constructing a canal, or water course ...

The team also investigated the sloshing of the beverage as it is opened. First, the dissolved carbon dioxide inside the beer triggers the level of the liquid to rise while the motion of the bottle as ...