I'll show you how to use Osmotic Pressure to gel the inside of a banana.
This also works as a great magic trick for your next party.
Step 1: What you need
- An almost ripe banana
- Some Vodka (Better quality = better results)
- 1/4 to 1/2 cup sugar
- TupperwareÂ©-like plastic container
Ethanol is a great solvent for biological molecules.
The sugar will encourage coagulation of the liquefied banana interior.
Refer to step 4 for a detailed scientific explanation.
Step 2: Put 'em together
Pour in the sugar and mix it until it dissolves completely.
Step 3: Cool your jets!
It will take anywhere from 4 to 12 hours, depending on the quality of the Vodka, amount of sugar, and the temperature of your fridge.
You'll have to try it a couple of times to get it right. If the banana is only partially gelled, leave it in for a couple more hours next time.
Don't leave it in there for too long, though. It will turn into a runny mess!