david

joined 1 year ago
[–] [email protected] 1 points 3 months ago* (last edited 3 months ago)

Natural gas burns, but hydrogen explodes.

Gas can explode too, it’s just we’re so used to it that the danger is no longer immediately apparent to the average person.

No. Desperately misleading.

That's like saying that Biden says untrue things too, not just Trump. There's an incredible difference in scale, and lying is very normal behaviour for Trump.

(Also, everyone knows natural gas can explode, it's just that the danger is actually pretty low.)

https://en.m.wikipedia.org/wiki/Hydrogen_safety

Natural gas burns in ratios only up to under 20%, whereas Hydrogen burns in ratios well over 95%, maybe up to 97% and down to about 4% meaning that you need hardly any oxygen at the top end and hardly any hydrogen at the bottom end for an explosion - so it's easy to get it lit and the whole lot goes up at once. Usually, not in rare cases. If you have a hydrogen leak, you have a high potential for oxygen ingress and you need vanishingly small amounts of oxygen for the whole lot to go up at once. That's what an explosion is.

That's what I meant by natural gas burning - that's its normal behaviour when you pipe it somewhere and light it at the exit. Where it meets the air, it burns, but that burning doesn't spread through your pipe or container unless your pipe or container has become mainly air. By contrast, it's very hard indeed to consistently have a controlled burn of hydrogen over decades without a large scale explosion, but with natural gas that's nowhere near as hard.

Hydrogen is low carbon, but it's incredibly dangerous. There are far better low carbon energy solutions that actually work and aren't as catastrophically dangerous. DO NOT get a hydrogen car if they ever make one. DO NOT get hydrogen piped into your home if they're ever stupid enough to attempt this.

Hydrogen looks like a good solution if you're a fossil fuel company - your customers are buying a product that you can label as environmentally friendly while you generate it as usual by burning high carbon fossil fuels. What you don't want if you're a fossil fuel company is solutions where you're irrelevant like solar, batteries, hydro, and the cheapest energy of all - wind.

but you’re not going to get the same output from letting a load of water run down a hill.

Tell that to Canada!

Hydrogen has a higher energy density, very much so, yes, but that's a silly argument against using water and gravity for electricity generation.

[–] [email protected] 2 points 3 months ago (1 children)

This is surely right - we really don't know where the undecided voters will go, and if a week is a long time in politics, five of them is an eternity.

[–] [email protected] -3 points 3 months ago* (last edited 3 months ago) (2 children)

Natural gas burns, but hydrogen explodes.
This is a mistake.
Pump water uphill instead.

[–] [email protected] 3 points 3 months ago

I need my arsehole, though.

I mean it's not a lot of fun, but the alternatives are much worse.

[–] [email protected] 2 points 3 months ago

If my seat could go Tory or Lib Dem, I’d vote Lib Dem every day and twice on Thursdays.

I nominate you for best written sentence on the Internet today.

[–] [email protected] 1 points 3 months ago

The only reason it's not a tax is to save older, more likely-to-vote generations (who have a higher earnings differential from their degrees than younger folk) from having to pay it too, concentrating the cost on the currently-young.

[–] [email protected] 4 points 3 months ago

Awful Awful Awful.

[–] [email protected] 1 points 3 months ago* (last edited 3 months ago)

And they so very badly need to learn that lesson, yes. Hopefully this nonsense motivates a new generation of young people forming a habit of voting, and of voting against the Conservative Party.

[–] [email protected] 2 points 3 months ago (2 children)

The Conservative Party is notoriously unforgiving of leaders who lose general elections, and currently pathologically addicted to leadership elections. I'd be very surprised if he's not gone by the end of the year even if he does exceptionally well in the general election.

[–] [email protected] 1 points 3 months ago

Very much so, yes.

[–] [email protected] 2 points 3 months ago

Well in that sense, they've been remarkably successful. Literally billions of public money gone through the VIP lane and unrepaid business loans during covid. Nearly every tax cut giving more money to the already well off and less to below average earners. Wealth inequality soaring to help them feel superior.

[–] [email protected] 2 points 3 months ago (4 children)

OK, but he did claim he was going to stay on as an MP. Come to think of it, that's a bit of an admission that he's going to lose the election and then be replaced as leader of the Conservative Party.

view more: ‹ prev next ›