Activity for abcde‭

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)	—	over 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)	—	over 10 years ago