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davieG

Technology, Science and the Environment.

By davieG, in General Chat

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yorkie1999

yorkie1999

Posted
Posted
On 07/11/2020 at 07:15, Innovindil said:

https://www.bbc.co.uk/news/business-54841528

 

Work is beginning on what is thought to be the world's first major plant to store energy in the form of liquid air.

 

It will use surplus electricity from wind farms at night to compress air so hard that it becomes a liquid at -196 Celsius.

 

Then when there is a peak in demand in a day or a month, the liquid air will be warmed so it expands.

 

The resulting rush of air will drive a turbine to make electricity, which can be sold back to the grid.

 

The 50MW facility near Manchester will store enough power for roughly 50,000 homes.

 

---------

 

What a clever idea that is. Energy storage without the need for expensive battery materials. Hope it works out. 

 

 

How is this different to the hydo electric dams we have been using for years, where water is pumped up into the reservoir at night and then released on demand during the day, effectively a giant battery.

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Innovindil

Innovindil

Posted
Posted
19 minutes ago, yorkie1999 said:

How is this different to the hydo electric dams we have been using for years, where water is pumped up into the reservoir at night and then released on demand during the day, effectively a giant battery.

At a guess I'd say it's because they don't need big bodies of water or take up as much space. 

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Buce

Buce

Posted
  • Popular Post
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Revealed: UK supermarket and fast food chicken linked to deforestation in Brazil

https://www.theguardian.com/environment/2020/nov/25/revealed-uk-supermarket-and-fast-food-chicken-linked-to-brazil-deforestation-soy-soya

 

I'm not banging the Vegan drum here but this is madness.

 

We chop down rainforests - with all the irreversible ecological and environmental damage that comes with it - to plant soya, which is then shipped halfway around the World to be fed to chickens, pigs and other animals. Ditto the ubiquitous Palm oil.

 

It's simply unsustainable, and unless we change the way we live and eat, we are fvcked, and no amount of much-vaunted human ingenuity is going to save us.

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leicsmac

leicsmac

Posted
Posted
25 minutes ago, whoareyaaa said:

Interesting Corona virus could have come from a metorite that hit china in oct 2019, old news story mind.

 

https://www.express.co.uk/news/world/1240664/coronavirus-news-latest-china-origin-meteorite-scientists-health-warning-death-toll-latest

It's a long shot, but an interesting one.

 

TBH viruses that hit us from meteorite impacts or (much more likely) ones that we uncover as permafrost melts thanks to climate change have the potential to be absolutely terrifying because they likely won't match anything we've seen before and we'd likely have precious little ability to counter them, at least at the start.

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SpacedX

SpacedX

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Posted

https://www.theguardian.com/environment/2021/jan/20/paris-climate-accord-joe-biden-returns-us

 

Meanwhile, much of the environmental protections that Trump dismantled can be rebuilt by the incoming Biden administration but this will take time - time which we do not have. The most enduring part of Trump's climate legacy and one that cannot be reversed may be the time the administration criminally wasted in the face of an exponentially warming planet. 

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leicsmac

leicsmac

Posted
Posted

With respect to the recent discussion on the Covid thread, I found this speech by Professor May (head of the Royal Society from 2000-2005). It's a bit old now, but it illustrates, rather clearly, how there is a disconnect between science as it is and the way that the public perceives it, and that is largely down to one thing - uncertainty.

 

He also talks a fair bit about encouraging "both sides" debate when really there is only one side that is vaguely legit.

 

30 mins long but a good listen.

 

http://downloads.royalsociety.org/audio/DM/DM2010_03/May.mp3

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leicsmac

leicsmac

Posted
Posted
23 minutes ago, Leicester_Loyal said:

 

:dunno: Clickbait based on a cheap accusation of hypocrisy, including the fallacy that reducing air travel is necessary to sort out carbon footprints rather than just innovating tech to bring about a change.

 

From a source that has dismissive opinions about "trusting the science" in the first place and probably doesn't actually care about climate change beyond scoring political gotchas.

 

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