CosmicRami, to Astro
@CosmicRami@aus.social avatar

Ocean floor a 'reservoir' of plastic pollution, study finds (phys.org)

New research from CSIRO, Australia's national science agency, and the University of Toronto in Canada, estimates up to 11 million metric tons of plastic pollution is sitting on the ocean floor. The article, "Plastics in the deep sea—A global estimate of the ocean floor reservoir," was published in Deep Sea Research Part I:...

doomscroller, to auspol
@doomscroller@mastodon.online avatar

Exciting news for capturing a govt research agency in an era of extinction profiteering.

"Thursday 28 March 2024 Northern Territory shale gas explorers Tamboran and Empire join CSIRO’s GISERA"
https://gisera.csiro.au/wp-content/uploads/2024/03/GISERA-media-release-new-alliance-partners-final-20240327-1.pdf

Jakra, to auspol
@Jakra@aus.social avatar

"Look, I can tell you, this claim by the CSIRO that you can run a whole country on solar and wind is simply a lie," [Dick] Smith said
Did he not get the memo about not denigrating and undermining our nations scientific bodies and hard working scientists?

https://www.abc.net.au/news/2024-03-22/fact-check-dick-smith-renewables-entire-country/103617364?utm_source=abc_news_app&utm_medium=content_shared&utm_campaign=abc_news_app&utm_content=link

everythingopen, to emacstory
@everythingopen@fosstodon.org avatar

We're delighted to announce Professor Aaron Quigley @aquigley as our third speaker for !

Professor Quigley is Deputy Director of and a noted and in , , and pervasive .

His keynote will focus on "Intelligent Interfaces", where he explores new forms of enabled by technologies such as sound, light, electric fields, radio waves and .

https://2024.everythingopen.au/news/keynote-aaron-quigley/

auscandoc, to australia
@auscandoc@med-mastodon.com avatar

https://www.abc.net.au/news/2023-12-21/nuclear-energy-most-expensive-csiro-gencost-report-draft/103253678?utm_source=abc_news_app&utm_medium=content_shared&utm_campaign=abc_news_app&utm_content=other would be the most expensive source of new energy for , a report from the and energy market regulator has estimated.

Key points:

and on-shore projects are the cheapest form of new energy in Australia
Nuclear energy would be the most expensive source of new energy”

GregCocks, to climate
@GregCocks@techhub.social avatar
ksircombe, to Canberra

I had the good fortune today to visit the National Behaviour Research Laboratory at Black Mountain, .

Watched an experiment in the Pyrotron - only one of two combustion wind tunnels in the world for conducting controlled experiments on bushfire conditions like fuel load, humidity and wind speed. This data goes into bushfire models to plan emergency management responses.

This particular experiment was testing how much water is required to extinguish the fire front. The total amount of water is surprisingly low (like 100 ml), but it needs to well aimed and timed...

More info at https://www.csiro.au/en/work-with-us/use-our-labs-facilities/Bushfire-laboratory

Fire moving through a pile of dry leaves inside a metallic wind tunnel with large windows. A vertical scale rulr the far side of the tunnel indicates scale in millimetres.

65dBnoise, to space
@65dBnoise@mastodon.social avatar

goes to Australia to study stromatolites together with and . The exercises on this expedition mimicked what is doing remotely, millions of miles away: identifying samples in the field and studying the area around them.

Article: https://mars.nasa.gov/news/9468/nasa-partners-study-ancient-life-in-australia-to-inform-mars-search/
Video: https://www.youtube.com/watch?v=O5LhHk7AFIc

scandrof, to science

"The Parkes radio telescope Murriyang, which helped broadcast the moon landing in 1969, has played a central role in another scientific discovery.

CSIRO scientists working at Murriyang have been observing an array of nano hertz frequency pulsars for almost 20 years. They are ripples in space time [gravitational waves] that are nearly the same size as the Milky Way.

The longevity of the experiment is due to the waves being years or even decades in length."

Parkes telescope finds evidence of gravitational waves, unlocking ‘a new window into the universe’ | Rural Australia | The Guardian https://www.theguardian.com/australia-news/2023/jul/12/parkes-radio-telescope-gravitational-waves-evidence-murriyang

scandrof, to science

"Another theory goes that the low-frequency gravitational waves were generated just after the Big Bang, right when the “inflation” or early exponential expansion of the universe began. If that bears out, these signals could be analysed to bring scientists to the start of the known universe.

Analysing electromagnetic radiation only gets astronomers to about 400,000 years after the Big Bang. The gravitational waves, if they are indeed relics of the early universe, could contain information that brings us within a nanosecond.

“It’s huge because it is the starting point of an era of nanohertz frequency gravitational wave astronomy,” said co-author of the new research, Swinburne University’s Dr Daniel Reardon."

Big Bang theory key findings uncovered by Australian scientists https://www.smh.com.au/national/nsw/australian-scientists-discover-key-to-unlocking-big-bang-theory-20230628-p5dk70.html

Unpaywalled link: https://12ft.io/proxy?&q=https%3A%2F%2Fwww.smh.com.au%2Fnational%2Fnsw%2Faustralian-scientists-discover-key-to-unlocking-big-bang-theory-20230628-p5dk70.html

An animation showing pairs of black holes warping the fabric of space-time. Low-frequency gravitational waves emanate from binary black holes - or potentially originate from the Big Bang - and warp space-time, which can be detected by studying pulsar beams. Credit: Carl Knox, OzGrav

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