They were called sea monkeys. They were actually brine shrimp eggs you added to salty water.
There are small toys made from Polyacrylamide a water absorbing polymer which is very similar to the...
They're made from super-absorbent polymers (classified as hydrogels) that can absorb and retain extremely large amounts of a liquid relative to their own mass, thus increasing both size and volume....
This answer is quite simple. When we look at normal guns used in warfare, we see most guns have to "reload" and pump a lever right?This "lever" allows air to get inside the gun, so it can ignite...
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