interestingengineering.com

Test_Tickles , to Technology in Solar power and storage prices have dropped almost 90%

I hate to be pedantic, but the things in the picture are windmills... you know giant whirly things that are powered by wind... kind of very different from things that lie around and absorb sunlight.

surewhynotlem ,

Wait until you hear what creates wind!

IchNichtenLichten ,
@IchNichtenLichten@lemmy.world avatar

Beans?

IchNichtenLichten , to Technology in Solar power and storage prices have dropped almost 90%
@IchNichtenLichten@lemmy.world avatar

Tell me again about how we need to build more nuclear.

atzanteol ,

We definitely need to build more nuclear.

Cornpop ,

Agreed. 1000x. Solar alone can't save us.

IchNichtenLichten ,
@IchNichtenLichten@lemmy.world avatar

Nice straw man. Nobody is arguing 100% solar.

Cornpop ,

Hence why we need nuclear as well... nice fail.

IchNichtenLichten ,
@IchNichtenLichten@lemmy.world avatar

I agree that you failed with your straw man. Got anything else?

Cornpop ,

I'll let your downvotes and my upvotes speak for themselves. You fail. Again.

IchNichtenLichten ,
@IchNichtenLichten@lemmy.world avatar

Thanks, now we've established you have no argument apart from a straw man and the realization that most people are wrong about the need for new nuclear. You can run along now.

MisterD ,

And we need to do reactors with liquid fuels instead of solid fuel

IchNichtenLichten ,
@IchNichtenLichten@lemmy.world avatar

You realize uranium isn't a liquid, right?

ikidd ,
@ikidd@lemmy.world avatar

Solar and nuclear address completely different goals.

IchNichtenLichten ,
@IchNichtenLichten@lemmy.world avatar

I know. Nuclear provides base load power, which can be argued is not needed any more.

https://www.zdnet.com/article/why-baseload-power-is-doomed/

Mustard ,

It can be argued but only poorly.

IchNichtenLichten ,
@IchNichtenLichten@lemmy.world avatar

Feel free to offer corrections.

Mustard ,

The argument is one of efficiency and load distribution. Base load power plants are capable of greater efficiency than variable ones. This is down to optimisations made around specific output levels and the infrastructure required to support said loads. For example if you know the characteristics of your power output and that of the grid you can build a transformer or switch mode power supply to bridge that specific gap. This outperforms variable input transformers in every case.

There is an argument that low efficiency doesn't matter if the source is renewable, but this fails to take into consideration the embodied energy cost of producing renewable generators, not to mention the increased cost. An inefficient system may not produce enough energy over the course of its lifetime compared to the energy it cost to make.

Finally, most sources of renewables are intermittent and are not necessarily related to the population's power consumption. This makes the storing of energy necessary in order to regulate supply. Storage of energy is a large source of inefficiency and one of the key areas that is being focused on. Base load plant is absolutely necessary to minimise this inefficiency as much as possible.

For a good overview I recommend this site from Penn State Uni: https://www.e-education.psu.edu/eme807/node/667

IchNichtenLichten ,
@IchNichtenLichten@lemmy.world avatar

These sound more like arguments in support of a distributed power grid rather than arguments for nuclear.

You keep referring to inefficiency but in real terms nuclear is so expensive that inefficiencies in renewables are a drop in the bucket in comparison.

V0lD ,

Maybe I missed some points by skimming, but the arguments made in that article are that:

  • 1 Australian researcher agrees with his stance

  • a region had 22% of its power produced by wind at one point

I guess the claim "it can be argued" is technically proven true, but the majority opinion I keep hearing from the electrical grid engineers in the news is the opposite

And, well, sometimes it just simply is night, and sometimes the wind doesn't blow. We don't have the battery tech to run from storage alone

But, honestly why wouldn't we use nuclear? It's the one power source we have without any real downsides untill ITER finally brings positive results

IchNichtenLichten ,
@IchNichtenLichten@lemmy.world avatar

And, well, sometimes it just simply is night, and sometimes the wind doesn’t blow.

Do you really think this isn't already taken into account?

We don’t have the battery tech to run from storage alone

Nobody is making that argument, as far as I'm aware. There are plenty of ways of storing energy, e.g. pumped hydro, that would work in conjunction with battery storage.

But, honestly why wouldn’t we use nuclear?

The obvious one. It's wildly expensive when compared to renewables, and that's before the usual nuclear build issues of cost and schedule overruns.

smiling_big_baby_boy , to Technology in SR-72: US secret hypersonic jet to allegedly break sound barrier in 2025 | Believed to be a top-secret project of the US Air Force, the SR-72 is touted to reach over 4,000 mph (6,437 kph), making i...

A rat done bit my sister Nell

With whitey on the moon

Her face and arms began to swell

And whitey's on the moon

I can't pay no doctor bills

But whitey's on the moon

Ten years from now I'll be payin' still

While whitey's on the moon

The man just upped my rent last night

Cause whitey's on the moon

No hot water, no toilets, no lights

But whitey's on the moon

I wonder why he's upping me?

Cause whitey's on the moon?

Well I was already giving him fifty a week

With whitey on the moon

Taxes taking my whole damn check

Junkies making me a nervous wreck

The price of food is going up

And as if all that shit wasn't enough:

A rat done bit my sister Nell

With whitey on the moon

Her face and arm began to swell

And whitey's on the moon

Was all that money I made last year

For whitey on the moon?

How come I ain't got no money here?

Hmm! Whitey's on the moon

Y'know I just 'bout had my fill

Of whitey on the moon

I think I'll send these doctor bills

Airmail special

To whitey on the moon

Powderhorn , to Science in Researchers develop first-ever functional graphene semiconductor
@Powderhorn@beehaw.org avatar

As soon as we have this commercialized, fusion is just around the corner.

threelonmusketeers , to Futurology in Sanctuary AI’s latest 7th-generation humanoid robot, Phoenix, learns tasks in just 24hrs

This footage also showed how the latest iteration of Phoenix was trained using teleoperation by a human “trainer.” Using this data, the robot’s Carbon AI software could learn and replicate the process independently.

I wish they went into more detail on the training process. Can it learn just by watching, or do some action still need to be coded manually?

AChiTenshi , to Technology in US races to develop AI-powered, GPS-free fighter jets, outpacing China

Do you want skynet? Because this is how we get skynet.

jbloggs777 ,

Skynet sounds friendly. It needs a friendly looking logo.

krimson ,
@krimson@feddit.nl avatar

Found John Connor.

Robot dogs with AI controlled guns mounted on the back are also a thing already 🤷‍♂️

9point6 ,

An AI controlled jet fighter is something a step above in force, compared to the dog.

I can imagine a scenario where enough civilians could stop a rogue gundog, that gets tougher with a jet fighter

jordanlund ,
@jordanlund@lemmy.world avatar
CheeseNoodle ,

We just need to make sure they require manual refuelling and we'll be fine... so we're totally going to design them to refuel autonomously.

jordanlund , to Technology in US races to develop AI-powered, GPS-free fighter jets, outpacing China
@jordanlund@lemmy.world avatar

Surely nothing could go wrong...

go wrong...

go wrong...

kambusha ,

I feel like I just watched this Simpsons episode..

jordanlund ,
@jordanlund@lemmy.world avatar

We both cribbed it from the source: ;)

https://youtu.be/JoUWNBcBKkA

tal , to Technology in US races to develop AI-powered, GPS-free fighter jets, outpacing China
@tal@lemmy.today avatar

In a potential future conflict, high-value GPS satellites risk being hit or interfered with. If this happens, the loss of GPS could have severe consequences for communication, navigation, and banking systems in the United States.

Banking?

Willy ,

accurate timekeeping? that's all I can think of for trading at least.

scrion ,
Valmond ,

High frequency trading going down?

Oh noo.

Anyways...

scrion ,

Yeah, I wish

GamingChairModel ,

The worry isn't that HFT stops working. It's that it causes a failure state that brings down the legitimate parts of the financial sector.

Like how we're not worried about AI pilots malfunctioning and being grounded, the same way we'd worry about AI pilots malfunctioning and bombing humans.

RecursiveParadox ,
@RecursiveParadox@lemmy.world avatar

And the SWIFT System.

HubertManne ,

I worked in a place where the machine room had a network time device that connected to an attena getting gps reading to give time to all the other hosts. Im pretty sure any ntp server a host has configured is only a hop or two away from a device like this.

IsThisAnAI , to Technology in US races to develop AI-powered, GPS-free fighter jets, outpacing China

Really fucking sad gps is going to be the first shit to go when Fighting starts getting serious.

Damage ,

Kessler syndrome always behind the corner

CluckN ,

That explains why MapQuest is fueling the flames of war.

possiblylinux127 ,
@possiblylinux127@lemmy.zip avatar

Fighting this days is terrifying

Danterious , (edited ) to Technology in US races to develop AI-powered, GPS-free fighter jets, outpacing China

Once these get advanced enough and the human cost of starting a conflict goes to zero (because they most likely will be able to scale these to whatever kind of conflict is wanted) why wouldn't countries be more likely to start a war.

Or if most regular military battles only become an economic problem then why wouldn't an enemy turn towards more terrorist like attacks like happened in Russia with ISIS.

Anti Commercial-AI license (CC BY-NC-SA 4.0)

Siegfried ,

Not the archers. My scouts tell me their archers are miles away and no threat to us. Arrows cost money. Use up the Irish. Their dead cost nothing.

any british since William the Conqueror

We are always cheaper

gregorum ,
@gregorum@lemm.ee avatar

TOS - S01E03 - ”A Taste of Armageddon”

"Death, destruction, disease, horror. That's what war is all about, Anan. That's what makes it a thing to be avoided."

  • Kirk
mansfield , to Technology in US races to develop AI-powered, GPS-free fighter jets, outpacing China

Can't wait for these to get hacked and turned against us.

Hupf ,
IndustryStandard , to Technology in US races to develop AI-powered, GPS-free fighter jets, outpacing China

From 2017 https://edition.cnn.com/2017/07/18/politics/paul-selva-gary-peters-autonomous-weapons-killer-robots/index.html

America’s second-highest ranking military officer, Gen. Paul Selva, advocated Tuesday for “keeping the ethical rules of war in place lest we unleash on humanity a set of robots that we don’t know how to control.”

Cerbero ,

That’s basically the premise of horizon zero dawn.

UnpopularCrow , to Green Energy in China installs world’s 1st 18 MW wind turbine, to power 36,000 homes/yr

Nice! Just think of the number of Xinjiang internment camps they could power! (https://en.m.wikipedia.org/wiki/Xinjiang_internment_camps).

CowsLookLikeMaps ,
@CowsLookLikeMaps@sh.itjust.works avatar

China pushing hard on renewables is objectively a good thing for the world.

China is also a human rights disaster and deserves to be shamed for its disgusting treatment of Uyghurs.

UnpopularCrow ,

While I agree that China pushing renewables is good, shaming them for a genocide doesn’t seem like an appropriate response.

If some guy in your high school beats the crap out of every disabled kid he sees, but on the weekends he hands out soup at a soup kitchen, should that person be celebrated?

Shyfer , (edited )

I'm guessing by this logic you're not voting for Biden, or don't support voting for him if you don't live in the US?

Aux ,

Not OP and don't live in the US. I don't support voting for Biden, find a better democrat for fucks sake!

Pfeffy , (edited )

Imagine if every time something inside the United States got discussed someone popped in to say "remember how we have the most enslaved people of any developed country on the planet"?

I'd be fine with it personally. But if you think that would be annoying, maybe you should stop doing the same thing.

UnpopularCrow ,

I wouldn’t find it annoying. I think it is important to remind the populace of the abhorrent things governments do, ESPECIALLY when they continue to do these things. The camps are still operational. So I’ll be happy to shut up when they shut them down.

Pfeffy , (edited )

Fair enough, I have pretty much the same attitude towards Israel's ongoing genocide. I don't like what China is doing but I'm not funding them.

UnpopularCrow ,

I agree on the Palestine genocide and it’s terrible the U.S. requires an ally in the Middle East so bad they are willing to overlook and contribute to what is happening. But everyone is funding China because everyone buys their products. I have tried hard to stop buying their products. It is challenging, and sometimes impossible, but I do my best. Anyway, I’ll stop derailing the conversation in an energy forum. Thanks for your patience and not deleting my posts, mods.

toaster , to Green Energy in China installs world’s 1st 18 MW wind turbine, to power 36,000 homes/yr
@toaster@slrpnk.net avatar

Holy guacamole I need more pictures of this giant.

mySFWaccount ,

I am having trouble comprehending how large that is. 260 m blade diameter, means at least 500 m tall. The CN Tower is 550 m tall.

Skua , to Green Energy in China installs world’s 1st 18 MW wind turbine, to power 36,000 homes/yr

Are there particular pros and cons to the scale of each individual turbine? I think this is the first time I've seen that figure reported as opposed to the capacity of the wind farm as a whole

MrMakabar ,
@MrMakabar@slrpnk.net avatar

With larger turbines you need fewer for the same capacity. This means less manufacturing, easier maintenance, they are taller, which means more stable and stronger wind, and a lower price of construction. However larger turbines also lead to greater stresses on the system, so that can again increase maintenance and large blades are hard to transport on land.

So it is a compromise. Up to now offshore wind turbine manufacturers always built bigger turbines with newer generations. However the engineering challenges increases, so many have stopped going for bigger then 14-16MW and instead go for increased numbers of turbines with higher reliability.

TheBest ,
@TheBest@midwest.social avatar

I can picture the equipment procurement meeting perfectly based on this description, good analysis

mysteryname101 ,

Last issue. The forces on the tips of the wind turbines are insane.

cucumber_sandwich ,

Over a large range of sizes for many physical reasons larger turbines can be more efficient per space and per cost. For example there is less ground effects for larger turbines and the rotor area scales quadratically with hub height.

  • All
  • Subscribed
  • Moderated
  • Favorites
  • kbinchat
  • All magazines