But Why? But Why? But Why?

Q: Dear 100 Hour Board,

Why doesn't glue stick to the inside of the bottle?
What's another word for thesaurus?
If a turtle does not have a shell, is he homeless or naked?
Just take your pick! Enjoy!
Good apple post-i like it!
80

A: Dear Overly-Inquisitive 80,

In no particular order:

eadumdictumbiblios
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There are lots of different types of glue. White glue and those in the bottle are drying adhesives - they bond as they dehydrate. So in the bottle they'll not bond while they still have water/alcohol, etc. But over time you can still end up finding a solid bottle of glue for this reason. Though note glue like this is fairly weak. There are natural, thermoplastic, heat activated, pressure sensitive, UV activated or reactive adhesives (like those that make your car quiet). And the glue mussels use to stick to rocks is pretty hard to beat. But in case you want to make your own:

Here's How:
Mix 1/4 cup hot tap water with 2 T powdered milk. Stir until dissolved.
Stir 1 T of vinegar into the mixture. The milk will begin to separate into solid curds and watery whey. Continue stirring until the milk is well-separated.
Pour the curds and whey into a coffee filter positioned over a cup. Slowly lift the filter, draining the whey. Keep the curd, which is in the filter.
Squeeze the filter to remove as much liquid as possible from the curd. Discard the whey (i.e., pour it down a drain) and return the curd to a cup.
Use a spoon to break the curd into small pieces.
Add 1 teaspoon hot water and 1/8 to 1/4 teaspoon baking soda to the chopped curd. Some foaming may occur (carbon dioxide gas from reaction of baking soda with vinegar).
Mix thoroughly until the glue becomes smooth and more liquid. If the mixture is too thick, add a bit more water. If the glue is too lumpy, add more baking soda.
The finished glue can vary in consistency from a thick liquid to a thick paste, depending on how much water has been added, how much curd was present, and how much baking soda was added.
Use your glue as you would any school paste. Have fun!
When not in use, cover your cup of glue with plastic wrap. Over time, its consistency will become smoother and more clear.
Unrefrigerated glue will 'spoil' after 24-48 hours. Discard the glue when it develops a spoiled milk smell.
Tips:
The separation of curds and whey works best when the milk is warm or hot (which is why powdered milk is used).
If the separation doesn't work well, heat the milk or add a bit more vinegar. If it still doesn't work, start again with warmer water.
Clean dried glue by loosening/dissolving it in warm water and wiping it away. Glue will wash out of clothes and off surfaces.
What You Need:
1/4 cup hot water
1 T vinegar
2 T powdered dry milk
1/2 tsp baking soda
water

A turtle without a shell is soup. But I prefer to think if they are missing a shell they are just au natural.

100 HB