Activity for abcdeâ€
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
How much charge would destroy the world? Someone invents a machine that creates electrons. It takes in some electrically neutral matter, and produces electrons of equal mass.1 Let's consider two quantities of negative charge: $q$ is the amount of negative charge that a typical individual might reasonably want to create and use, not counti... (more) |
— | about 9 years ago |
| Question | — |
Could people survive intense global warming? Suppose the Earth entered a period of intense global warming, say by 50° Fahrenheit (28° Celsius), and then levelled off at the new, higher, temperature. Obviously, anywhere near the equator would not be inhabitable, and melting icecaps would cover much of the coastal regions. However, would... (more) |
— | almost 10 years ago |