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No leap second will be introduced at the end of December 2026

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111–120 of 259 posts

Re: No leap second will be introduced at the end of December 2026

#111

Hear me out. We can just mount jet engines along the equator and rotate them 180 to gain or lose time. And then connect them to my snooze button.

No, jet engines push against the atmosphere and the atmosphere is a part of the earth

https://physics.stackexchange.com/questions/608372/if-a-jet-...

It would have to be rockets. My napkin says 2B starship boosters and 250K tons of propellant per second should give us around 1 second per year.

Re: No leap second will be introduced at the end of December 2026

#112

Earlier quoted context omitted.

Not anymore forever. We’re just not adding one for this year. We might need one next year, we might not. It all depends on the Earth’s rotation and orbit

and Earth's rotation was too fast for last several years we were all waiting for the negative leap second to finally happen - but cowards got too afraid

I don't think it's cowardice, is it? The graph at https://en.wikipedia.org/wiki/Leap_second seems to indicate that adding a negative leap second at this point in time would be improper. (We're ~+0.1s off, and a negative leap second would occur if the line was approaching +0.6s. I'd like one too just for the curiosity of the thing, but … the Earth isn't having it.)

Re: No leap second will be introduced at the end of December 2026

#113

Earlier quoted context omitted.

Farage is such an ass, the King should make him feed donkeys or something.

"Vote Count Binface and Bin the Cunt" :D There's a long tradition in the UK of having electoral candidates who don't expect to win but run because it's free publicity in a high profile race. "Count Binface" is a comedian who dresses up as a space alien whose outfit resembles well, having a Bin for a face. The serious political parties told Nigel to fuck off, if he wants to step down and then immediately contest the s…

Nigel Farage has decided to counter a scandal by throwing himself upon his constituents for judgement, the obviously establishment parties have backed off to allow Binface to run against him in a ~1v1, and you think Binface is more anti establishment than Farage?

Re: No leap second will be introduced at the end of December 2026

#114
post #57

Earlier quoted context omitted.

The problem is future societies harvesting the engines for interstellar probes. This problem has been discussed in a series of books by Larry Niven.

There's a graphic novel by Cixin Liu "The Wandering Earth" where they not only stop Earth's rotation with this method, but also propel Earth out of the solar system (for what appear to be good reasons, I might add). Can't quite remember what fuel they used for the engines.

IIRC they accelerated rock as the reaction mass. Gigatons of rock accelerated to well above escape velocity and launched from the ground.

In the real world their scheme is doomed as it would strip the atmosphere off of the Earth, but since they were planning to leave the solar system the atmosphere was going to freeze to a solid anyway so maybe it didn't really matter. To be honest I thought the entire scheme was an extremely elaborate cover for the fact the lead ship was the actual ark and everyone else was just plain doomed. This would have mirrored one of the themes in the 3 Body Problem where interstellar space travel is strictly forbidden until everybody can participate at once. The "launch the Earth as a spaceship" concept was so poorly thought out I thought it had to be a fraud in the story, and our somewhat dense protagonists just didn't catch on.

Re: No leap second will be introduced at the end of December 2026

#115
post #6

"To authorities responsible for the measurement and distribution of time" is just the best preamble ever.

Sounds like something out of a Douglas Adams novel.

It’d fit right into Thief of Time by Pratchett - the monks literally measure and distribute time.

Re: No leap second will be introduced at the end of December 2026

#116
post #108

Earlier quoted context omitted.

2035 is the agreed drop dead date. Everybody agreed that "Leap seconds" are a sufficiently bad idea that they should be replaced by 2035. Nobody has agreed how to fix it, and "Just turn them off" isn't technically legal. However, "What if there were Leap hours instead?" is technically legal and of course those hours would happen in the very distant future (likely after our civilisation is gone) so it's functionally i…

So, it's solving a real problem, why are we dropping it? I mean, why does everybody agree it's a bad solution?

Basically we guessed wrong. We thought knowing "Solar time" would be more useful than in it, and we thought these "Leap seconds" would be less trouble than they are.

It's like you buy a cat to help with your rodent problem, figuring the cat will eat mice and isn't much trouble to look after, but after purchasing a cat you find that your problem was actually rats, your cat is terrified of these large dangerous creatures and sometimes gets bitten by them necessitating expensive vet bills and now you need to pay a lot of attention to the poor animal and also now need to buy cat food.

Re: No leap second will be introduced at the end of December 2026

#117

What causes the unpredictability in this? I would have guessed we have earth's rotation and orbit down to many decimals. Does geological activity, weather, or something else cause rotation speed differences that we just can't predict?

Among other things, turbulent currents of liquid iron in the Earth's core can make the core drift eastward or westward, which causes the crust and mantle to turn slower or faster. Same thing with the strength of the jet stream.

Re: No leap second will be introduced at the end of December 2026

#118

Hear me out. We can just mount jet engines along the equator and rotate them 180 to gain or lose time. And then connect them to my snooze button.

You could actually move very large quantities of water around and probably have a measurable impact. Like draining the California central valley aquifer.

Re: No leap second will be introduced at the end of December 2026

#119

Earlier quoted context omitted.

god that would be awful. Can you imagine time zones being one second off from each other. Or two or three? ah yes, india is GMT+4:30:03, where europe is GMT+0:59:58

The TZDB could handle it though

https://m.xkcd.com/2867/

Re: No leap second will be introduced at the end of December 2026

#120
post #61
post #19

Earlier quoted context omitted.

They should call themselves Time Lords

For those who need more context of who the Time Lords are The Time Lords are a fictional ancient race of extraterrestrial people in the British science fiction television series Doctor Who. In-universe, they hail from the planet Gallifrey and are stated to have invented time travel technology. https://en.wikipedia.org/wiki/Time_Lord

For further context, Doctor Who is a member of the species.
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