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Here's an HW case about why knowing about Hydrogen will help in life. Question: Why does Space X use kerosene and liquid oxygen rather than liquid hydrogen and
by WheelsAtLarge 4y ago
Here's an HW case about why knowing about Hydrogen will help in life.
Question: Why does Space X use kerosene and liquid oxygen rather than liquid hydrogen and liquid oxygen a better power to weight fuel.
Simply because of the size of the molecule. The Hydrogen molecule is such a small molecule that it's difficult an expensive to use vs kerosene. It's very easy for it to leak. As we have seen in the Artemis 1 rocket that uses hydrogen.
There's my use case. I've used it at least once.
- Loocid 4y agoHow is having that knowledge any different to if you knew the mathematics involved in the building and launching of the rocket? Knowing that didn't help you at all. If you didn't know about Hydrogen that rocket still would have launched. It's purely for your own interest. Unless you're a SpaceX engineer of course but then the other 99.9% of the people on the planet don't "need" to know about the size of Hydrogen and we are back to the same argument.
- presentation 4y agoAh yes, I too design rockets on a daily basis.
- kristiandupont 4y agoJust above, you wrote: >Ok, given the number of people that take Calculus, how many will ever read an ML paper? For that matter, how many even know or care what ML is? ..and now you, apparently without joking, assert that the physics info is different because it's necessary in rocket science, the one thing that is colloquially used to describe knowledge that normal people will never have to worry about?
- lelanthran 4y ago> Here's an HW case about why knowing about Hydrogen will help in life. *proceeds to give an example only applicable to rocket scientists ... I think you accidentally disproved your own point.