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Submission + - SpaceX to Attempt Starship Orbit Today (spacex.com) 1

Guy Smiley writes: After months of waiting for FAA approval to launch their new rocket, SpaceX finally received it on Friday. They wasted no time in announcing their first orbital launch attempt on Monday, April 17th at 8:30 AM Central time from Starbase in Texas.

Starship itself previously had several sub-orbital launches, but never atop the Super-Heavy booster, which would be the most powerful rocket ever launched. Both stages are fueled by liquid methane and oxygen, which were chosen to allow refuelling on Mars, once they can make the trip. In the near future, Starship and Superheavy will be landing the first astronauts on the moon in over 50 years as part of the Artemis program.

Comment Re: why? (Score 2, Insightful) 241

I guess your intelligence is already on par with the plants to consider excess CO2 a benefit to the world. While increased CO2 might be good for plants in some aspects, it isn't good for humans, and the effects of excessive heat in the atmosphere is bad for plants and humans. An experiment with a plastic bag over your head for a few minutes could show what effects increased CO2 has on humans.

Comment Re: Well I'm Disappointed (Score 1) 198

Sure, they may plug in between 4-9pm, but every EV already has scheduled charging, and you can bet every home charger in California is using it. They have time-of-use billing, and it costs something like $0.40/kWh between 4-8pm and $0.05/kWh between 12-7am. EV charging in the middle of the night actually *makes* electric companies money, since they can sell generation capacity that would otherwise go unused.

Comment Involuntary pay cut? (Score 4, Insightful) 97

Maybe his 25% pay cut is the amount that his stocks/options lost in value?

In any case, this is still a better option than letting lots of people go. One of the main reasons that Intel fell behind on chip releases is because they offered early retirement to lots of senior staff a few years ago, and boom they lots thousands or years of chip design experience while paying them to leave.

Comment Re: turbine blades (Score 1) 209

"What to do with the end of life waste for any energy source should be discussed, as should where the material comes from in the first place."
Exactly. But while everyone is up in arms about how "unrecyclable" old wind turbine blades are after 20 years or solar panels after 30 years, they completely ignore how unrecyclable burned oil is.
The fact that it is mostly invisible shouldn't mean that it is safe to ignore. Consider that running an engine in a closed garage will kill you pretty quickly, it shouldn't really be a surprise that doing the same in our atmosphere is also bad for us.
While it is unreasonable to stop all oil/gas usage, it doesn't mean that is a good reason to avoid reducing their usage in scenarios where it can be done reasonably effectively.

Comment Re: Economics (Score 1) 209

I'll take "likely to be recycled" for EV batteries over "impossible to recycle" for used gasoline.
Don't get me wrong, I'm not one of the people who think we can stop extracting oil and natural gas from the ground, but burning it is foolish when there are other options.
Similarly, the whole "sun doesn't shine and wind doesn't blow all the time" reasoning against solar and wind are just people repeating tropes. Sure, these energy sources can't replace all others (I'm also a fan of nuclear also), but just because they don't fill all of our energy needs doesn't mean we shouldn't use them at all, just understand their limitations and work within them.

Comment Re: Economics (Score 5, Insightful) 209

The old "we can't recycle old batteries at some point in the future" trope. How well is the recycling of used gasoline going? EV batteries have a very high concentration of metal (mostly nickel and lithium today, but may transition lithium and iron in the near future to reduce cost), and it is up to 90% efficient to reclaim the metal out of old batteries. Even then, vehicle data shows that EV batteries are lasting longer than expected, and it may be that these batteries will be repurposed into stationary storage batteries for home use becfore they are finally recycled. We don't really know yet because there aren't enough old batteries in the market for it to become worthwhile to recycle them.

Comment Re: This thing is crazy (Score 4, Informative) 53

This is a perfect example of something that looks correct, but is not. The program has a serious stack-smashing bug. "substring[6]" does not exist in C, only "substring[0-5]" are valid, so the "NUL termination" is actually corrupting some other piece of memory. Since chars 45-50 are 6 chars long, the array needs to be declared as "substring[7]" to hold the NUL terminator. That said, going from the text input to the generated program is pretty incredible, but like with GPS routing and any other machine-generated output it needs to be taken with a grain of salt.

Comment Re: between 43 percent to 49 percent of the time (Score 1) 81

Just because solar and wind are not steady, doesn't mean their energy production isn't useful. They are being deployed by power companies because they produce the cheapest energy when active and make them the most money as a result. It is definitely true that they can't stand by themselves, but if a power company can earn eg. 4c/kWh from wind/solar 45% of the time and only 2c/kWh from gas or coal 55% of the time, why shouldn't they use solar/wind? That it reduces gag emissions is also a critical factor, but after initial investments in the technology, wind and solar are the cheapest technologies to deploy for new generation these days.

Comment Re: It wasn't that long ago (Score 1) 163

So you are against reducing costs for everyone using electricity, and reducing the amount of taxes needed for the school? Storing energy from non-peak times for usage during peak times (4-8 pm, after the school day) reduces the need to add generation capacity that is only used during those few hours, and is therefore high in cost.

Comment Re: No shit Sherlock (Score 4, Insightful) 194

Sorry, "thousands of people knowing the secret and not leaking" is simply impossible, and most conspiracy theories are full of shit. The conspiracy to kidnap Michigan Governor Whitmer had about a dozen conspirators in it, plus five FBI informants. It's probably impossible to keep a big secret when more than 4-5 people know it, since one of them eventually has a motivation to reveal it. Given the widespread discussion aboutIvermectin, it seems impossible that thousands of medical staff would keep a huge secret that Ivermectin is a miracle drug, but the doctors and nurses would rather work months of punishingly long shifts and watch people die (including their own co-workers), just so "big pharma" can make more money.

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