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davieG

Technology, Science and the Environment.

By davieG, in General Chat

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SpacedX

SpacedX

Posted
Posted
3 minutes ago, yorkie1999 said:

Always knew electric cars ain’t the future.

https://www.autocar.co.uk/car-news/technology/toyota-and-yamaha-developing-hydrogen-fuelled-449bhp-v8

The research is moving so fast that in all probability, they will be (despite current challenges concerning energy density, infrastructure, range, expense).  Hydrogen alternatives have also been explored for many years but chief amongst the barriers is that the storage of hydrogen fuel cells is much more complicated and expensive than other fuel types adding to the cost of vehicles and the production itself. The fuel cell can also be volatile due to its flammable nature. 

leicsmac

leicsmac

Posted
Posted
2 minutes ago, nnfox said:

Come on mac, I expected your maths to be better than that :whistle:

 

Amazing story though, I had watched a couple of shows about the search.  A fantastic achievement!

Godsdamn it, yeah lol. Over a hundred, not two.

 

That whole journey was pretty incredible, to be honest. How Shackleton and his chosen crew got from Elephant Island to South Georgia in what was essentially a wooden dinghy in the worst of the Southern Ocean is a wonder of the ages.

WigstonWanderer

WigstonWanderer

Posted
Posted (edited)
1 hour ago, Line-X said:

The research is moving so fast that in all probability, they will be (despite current challenges concerning energy density, infrastructure, range, expense).  Hydrogen alternatives have also been explored for many years but chief amongst the barriers is that the storage of hydrogen fuel cells is much more complicated and expensive than other fuel types adding to the cost of vehicles and the production itself. The fuel cell can also be volatile due to its flammable nature. 

Didn’t think these cars use fuel cells, they just burn hydrogen instead of petrol.

Edited by WigstonWanderer
SpacedX

SpacedX

Posted
Posted
47 minutes ago, WigstonWanderer said:

Didn’t think these cars use fuel cells, they just burn hydrogen instead of petrol.

Like a conventional internal combustion engine and stored in a secure fuel tank like petrol or diesel but I was under the impression that it was fed into a fuel cell. 

 

Thinking about it, cost effective transportation and bulk storage of the fuel itself is also an issue. 

nnfox

nnfox

Posted
Posted
3 minutes ago, Line-X said:

Like a conventional internal combustion engine and stored in a secure fuel tank like petrol or diesel but I was under the impression that it was fed into a fuel cell. 

 

Thinking about it, cost effective transportation and bulk storage of the fuel itself is also an issue. 

It's the biggest issue.  The person who creates a cost effective and safe way to transport and store the fuel will become the richest person the world has ever seen.

WigstonWanderer

WigstonWanderer

Posted
Posted
7 minutes ago, Line-X said:

Like a conventional internal combustion engine and stored in a secure fuel tank like petrol or diesel but I was under the impression that it was fed into a fuel cell. 

 

Thinking about it, cost effective transportation and bulk storage of the fuel itself is also an issue. 

No I don’t think so, these are internal combustion engines. As you say storage, transport and general handling of hydrogen is likely to be the problem with a hydrogen economy.

 

Toyota and Yamaha – along with Mazda, Kawasaki and Subaru – have previously pledged to continue investing in combustion technology. The five Japanese manufacturers appeared in a joint press conference late last year to express their interest in "expanding fuel options", while other global manufacturers embrace all-out electrification. 

leicsmac

leicsmac

Posted
Posted
On 09/03/2022 at 04:02, Wymsey said:

It's a sorry state of affairs in that the Amazon rainforest is being wrecked.

https://www.bbc.com/news/science-environment-60650415

 

More on this.

 

Is this really going to be the legacy of the human race? The first species to be aware of how being good custodians of the Earth would help them and everything else, but then didn't because they were too enslaved to the evolutionary instinct of short term self interest?

blabyboy

blabyboy

Posted
Posted
4 minutes ago, leicsmac said:

https://www.bbc.com/news/science-environment-60650415

 

More on this.

 

Is this really going to be the legacy of the human race? The first species to be aware of how being good custodians of the Earth would help them and everything else, but then didn't because they were too enslaved to the evolutionary instinct of short term self interest?

If you're Bolsonaro, then YES!

Dahnsouff

Dahnsouff

Posted
Posted
6 minutes ago, leicsmac said:

https://www.bbc.com/news/science-environment-60650415

 

More on this.

 

Is this really going to be the legacy of the human race? The first species to be aware of how being good custodians of the Earth would help them and everything else, but then didn't because they were too enslaved to the evolutionary instinct of short term self interest?

The laser disc we leave behind chronicling our time on Earth is going to be killer

SpacedX

SpacedX

Posted
Posted
3 minutes ago, Dahnsouff said:

The laser disc we leave behind chronicling our time on Earth is going to be killer

Could be worse - we sent a written message from a peanut farmer into interstellar space on board Voyager I and II. 

  • Like 1
Dahnsouff

Dahnsouff

Posted
Posted
1 minute ago, Line-X said:

Could be worse - we sent a written message from a peanut farmer into interstellar space on board Voyager I and II. 

More Mostly Feckless than Mostly Harmless unfortunately

leicsmac

leicsmac

Posted
Posted
53 minutes ago, blabyboy said:

I wonder if in a couple of million years' time, the Ganymedians and the Titans will have conspiracy theories that life existed on Earth...

"An unnatural shift in the atmosphere's chemical make-up resulted in the slow but irreversible onset of an ice age on Sol 3. The exact cause remains unknown, but probable explanations include failed terraforming attempts or even inter-planetary terrorism. Some of the more radical elements within the scientific community suggest that the dramatic climate shift may have been brought on by the unchecked emission of gaseous industrial by-product into the atmosphere.  This view is confined to the scientific fringe, as it is unlikely that any race intelligent enough to achieve full industrialization would be stupid enough to accidentally wipe themselves out."

  • Like 1
  • Thanks 1
leicsmac

leicsmac

Posted
Posted
2 hours ago, ealingfox said:

 

 

I don't know if anyone can add context or anything to this, but we're fvcked aren't we?

 

Monbiot is being rather rhetorical with the last sentence here, but the event itself is not in doubt.

 

The scientific position is that it's a one-off at the moment, but if it's repeated, then it's very alarming indeed, and indicative of the overall upward trend in global temperatures.

 

Also: https://www.sciencealert.com/the-great-barrier-reef-has-been-struck-with-another-widespread-bleaching-event?

 

Yeah, we may well be fvcked.

  • Sad 1
ealingfox

ealingfox

Posted
Posted
10 hours ago, leicsmac said:

Monbiot is being rather rhetorical with the last sentence here, but the event itself is not in doubt.

 

The scientific position is that it's a one-off at the moment, but if it's repeated, then it's very alarming indeed, and indicative of the overall upward trend in global temperatures.

 

Also: https://www.sciencealert.com/the-great-barrier-reef-has-been-struck-with-another-widespread-bleaching-event?

 

Yeah, we may well be fvcked.

 

Really makes me think - I've never properly travelled, done plenty of countries in Europe and a couple of trips to USA/South America.

 

All this stuff is disappearing, so I really ought to pack in work for a bit and get around the world to see it while I can. All too aware that that is the kind of thing which isn't helping at all though (plus I have so far lacked the balls to do the first part of that plan).

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