Why NASA’s Artemis Has Fuel-Leak Problems That SpaceX Doesn’t | WSJ
235 808 vues 13 sept. 2022
NASA’s Artemis I launch has been delayed twice because of problems with their main fuel: liquid hydrogen. It’s not a new one for the space agency. As NASA described it, “hydrogen is difficult to work with.”
Meanwhile, SpaceX has switched to methane for their Mars-bound Starship spacecraft.
WSJ explains why NASA still uses the leak-prone fuel.
Announcing, for the first time, a “tornado alarm” what will alert you 24/7 when the NWS determines you are in the direct path of a tornado or winds of 80+mph.
Unlike apps and weather radios, this will only awaken you for a truly dangerous situation. No shrieking alarms at 2am for 1″ hail.
Transitioning to a decarbonised energy system by around 2050 is expected to save the world at least $12 trillion, compared to continuing our current levels of fossil fuel use, according to a peer-reviewed study by Oxford University researchers, published in the journal Joule today.
It would be nice if there were a software repository somewhere, like a GitHub for WUWT, where we could drop off bits of s/w we’ve written that people might want to play with. I don’t know much about those things at all, but the idea just popped into my head.
Serious Crane wreck carnage at wind farms.
http://industrialscenery.blogspot.com/2019/09/crane-wrecks-in-wind-turbine-farms.html?m=1
Here’s a vid of a crane collapsing during a lift:
https://m.youtube.com/watch?v=2hk5vhgU2uw
https://www.youtube.com/watch?v=nR4Jx7ta32A
Hydrogen is a b*tch
Announcing, for the first time, a “tornado alarm” what will alert you 24/7 when the NWS determines you are in the direct path of a tornado or winds of 80+mph.
Unlike apps and weather radios, this will only awaken you for a truly dangerous situation. No shrieking alarms at 2am for 1″ hail.
More information is here: http://www.mikesmithenterprisesblog.com/2022/09/announcing-stormwarn-revolution-in.html
By the same logic we announce the university is closing-
A Canadian university cancels intramural hockey in the name of ‘equity’ (msn.com)
SE QLD…..Just had advice from my electricity supplier that my daily rate is to increase by 70% and my actual usage rate is to increase by 50%..
I’m forever grateful that renewables are enabling cheap energy for all of us.
“Decarbonizing the energy system by 2050 could save trillions”
https://www.sciencedaily.com/releases/2022/09/220913110431.htm
total nonsense, of course
It would be nice if there were a software repository somewhere, like a GitHub for WUWT, where we could drop off bits of s/w we’ve written that people might want to play with. I don’t know much about those things at all, but the idea just popped into my head.
France warms up to the idea of cutting e-cars charging points in case of cold weather:
https://insolentiae.com/rte-veut-couper-les-bornes-de-racharge-des-voitures-electriques-en-cas-dhiver-trop-froid/