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What actually makes a waterproof coat waterproof?
... really quickly. So it increased it by 800 times it’s own size and created something that was about 70% air. This ...
What's the difference between relative and absolute risk?
... number of people. A relative risk makes no sense on it’s own - it’s only relative to something else. Chris - But if ...
Do rockets launched from tubes travel faster?
... hand, is constantly accelerating as it carries all of its own fuel and burns it as it goes. Ignition sequence starts… ...
How much silly putty would cover the Earth?
... or two peculiar properties that if you let it sit on its own, it will actually flow like you would imagine a normal ...