Science news of the day thread.

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Re: Science news of the day thread.

Post by Svartalf » Thu Sep 15, 2022 9:55 am

Brian, Brian, what did you just cal pErvo? those are fighting words, and he'll never leave you alone till he has satisfaction... I propose you two set up a public grudge match as part of next years Fringe festival.
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Re: Science news of the day thread.

Post by Brian Peacock » Thu Sep 15, 2022 2:32 pm

I'd be up for that. I'll book the room now. What shall we call it? The Big Troll Slamdown!?¡
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Clinton Huxley » 21 Jun 2012 » 14:10:36 GMT
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Re: Science news of the day thread.

Post by macdoc » Thu Sep 15, 2022 6:13 pm

meanwhile :bored:
One farmer's uphill battle to provide cheaper, more environmentally friendly alternative to fertilizer

Skepticism persists about whether crops can grow well without using traditional fertilizers
Image
Bio-Agtive is a system designed by Alberta farmer Gary Lewis to capture emissions from a tractor and produce a carbon-based biofertilizer. (Donna McElligott/CBC)

Kyle Bakx, Donna McElligott · CBC News · Posted: Sep 15, 2022 2:00 AM MT | Last Updated: 10 hours ago
https://www.cbc.ca/news/canada/calgary/ ... -1.6582561
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Re: Science news of the day thread.

Post by Sean Hayden » Thu Sep 15, 2022 10:07 pm

Thanks Jim! :cheers:

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Re: Science news of the day thread.

Post by pErvinalia » Fri Sep 16, 2022 12:42 am

This is how you need to approach it, Sean...
306629388_6000584826628886_2074000581946984487_n.jpeg
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Re: Science news of the day thread.

Post by Sean Hayden » Fri Sep 16, 2022 1:39 am

:rofl:

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Re: Science news of the day thread.

Post by Sean Hayden » Sat Sep 24, 2022 12:05 pm


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Re: Science news of the day thread.

Post by Svartalf » Sat Sep 24, 2022 1:42 pm

wow :tup:
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Re: Science news of the day thread.

Post by Brian Peacock » Mon Sep 26, 2022 9:30 am

Sabine Hossenfelder...
No one in physics dares say so, but the race to invent new particles is pointless

Imagine you go to a zoology conference. The first speaker talks about her 3D model of a 12-legged purple spider that lives in the Arctic. There’s no evidence it exists, she admits, but it’s a testable hypothesis, and she argues that a mission should be sent off to search the Arctic for spiders.

The second speaker has a model for a flying earthworm, but it flies only in caves. There’s no evidence for that either, but he petitions to search the world’s caves. The third one has a model for octopuses on Mars. It’s testable, he stresses.

Kudos to zoologists, I’ve never heard of such a conference. But almost every particle physics conference has sessions just like this, except they do it with more maths. It has become common among physicists to invent new particles for which there is no evidence, publish papers about them, write more papers about these particles’ properties, and demand the hypothesis be experimentally tested. Many of these tests have actually been done, and more are being commissioned as we speak. It is wasting time and money.

Since the 1980s, physicists have invented an entire particle zoo, whose inhabitants carry names like preons, sfermions, dyons, magnetic monopoles, simps, wimps, wimpzillas, axions, flaxions, erebons, accelerons, cornucopions , giant magnons, maximons, macros, wisps, fips, branons, skyrmions, chameleons, cuscutons, planckons and sterile neutrinos, to mention just a few. We even had a (luckily short-lived) fad of “unparticles”.

All experiments looking for those particles have come back empty-handed, in particular those that have looked for particles that make up dark matter, a type of matter that supposedly fills the universe and makes fills the universe and makes itself noticeable by its gravitational pull. However, we do not know that dark matter is indeed made of particles; and even if it is, to explain astrophysical observations one does not need to know details of the particles’ behaviour. The Large Hadron Collider (LHC) hasn’t seen any of those particles either, even though, before its launch, many theoretical physicists were confident it would see at least a few...


https://www.theguardian.com/commentisfr ... physicists
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Clinton Huxley » 21 Jun 2012 » 14:10:36 GMT
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Re: Science news of the day thread.

Post by macdoc » Mon Sep 26, 2022 12:44 pm

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Re: Science news of the day thread.

Post by macdoc » Mon Sep 26, 2022 12:47 pm

:bored:
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Re: Science news of the day thread.

Post by Svartalf » Mon Sep 26, 2022 12:50 pm

bhah, they should have petitioned the UN for permission to nuke it.
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Re: Science news of the day thread.

Post by macdoc » Mon Sep 26, 2022 11:43 pm

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Re: Science news of the day thread.

Post by pErvinalia » Tue Sep 27, 2022 3:18 am

It was fascinating to see right up close the asteroid's surface.
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Re: Science news of the day thread.

Post by macdoc » Tue Sep 27, 2022 7:00 am

Yes - the concern I guess is that it is so loosely agglomerated that very little directional force results, most lost in the jostling/compacting of the small rocks it is made of ....or it busts up completely. We'll know soon enough. :pop:
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