Paul Sutton

Research

Astronify – application

Last year I watched a lecture on some software called astronify, This is used to scan an image from a telescope and turn different parts of the image in to sound.

So for example, a blue star may be presented at a high frequency, where as a red star may be presented at a lower frequency when played as sound.

The original lecture was about making astronomy accessible to people with sight loss. I wrote more about this in a blog post

Fast forward to 2022 and this technology has been used for further research which is presented in the following paper:-

Evaluating the efficacy of sonification for signal detection in univariate, evenly sampled light curves using astronify

2209.04465

tags

#Astronify,#Astronomy,#Research,#ArXiv,#Papers

Cornell research seeks to elevate home care workers

An interesting piece of research from Cornell University. While this is in the USA, it seems they have a similar issue as we do here with care workers feeling undervalued.

The UK has a serious recruitment and retention problem in this sector too.

Overlooked, undervalued: Cornell research seeks to elevate home care workers

Links

Tags

#CornellUniversity,#CareWorkers,#Research

Open Source in Science

This is an interesting podcast from Physics world on how free and open source software is used in Physics.

Links

Tags

#Physics,#FreeSoftware,#OpenSourceSoftware,#Research

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Paper on Covid 19 transmission

I was sent this during a discussion on Mastodon about masks and how effective masks are, when worn by people who may not put on properly, compared to a doctor who has a team of people to ensure this happens. Interesting discussion and nice be sent a link to an actual paper to provide some help with the discussion.

Feel free to join / continue the discussion, however you will need to join mastodon and follow me @zleap@qoto.org to do so.

Links

Tags

#Science,#Journal,#PNAS,#Article,#Research,#Covid19,#Transmission,#Mastodon.

Bibliography Information (just for reference)

@article {Bagherie2110117118,
	author = {Bagheri, Gholamhossein and Thiede, Birte and Hejazi, Bardia and Schlenczek, Oliver and Bodenschatz, Eberhard},
	title = {An upper bound on one-to-one exposure to infectious human respiratory particles},
	volume = {118},
	number = {49},
	elocation-id = {e2110117118},
	year = {2021},
	doi = {10.1073/pnas.2110117118},
	publisher = {National Academy of Sciences},
	abstract = {Wearing face masks and maintaining social distance are familiar to many people around the world during the ongoing SARS-CoV-2 pandemic. Evidence suggests that these are effective ways to reduce the risk of SARS-CoV-2 infection. However, it is not clear how exactly the risk of infection is affected by wearing a mask during close personal encounters or by social distancing without a mask. Our results show that face masks significantly reduce the risk of SARS-CoV-2 infection compared to social distancing. We find a very low risk of infection when everyone wears a face mask, even if it doesn{\textquoteright}t fit perfectly on the face.There is ample evidence that masking and social distancing are effective in reducing severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) transmission. However, due to the complexity of airborne disease transmission, it is difficult to quantify their effectiveness, especially in the case of one-to-one exposure. Here, we introduce the concept of an upper bound for one-to-one exposure to infectious human respiratory particles and apply it to SARS-CoV-2. To calculate exposure and infection risk, we use a comprehensive database on respiratory particle size distribution; exhalation flow physics; leakage from face masks of various types and fits measured on human subjects; consideration of ambient particle shrinkage due to evaporation; and rehydration, inhalability, and deposition in the susceptible airways. We find, for a typical SARS-CoV-2 viral load and infectious dose, that social distancing alone, even at 3.0 m between two speaking individuals, leads to an upper bound of 90\% for risk of infection after a few minutes. If only the susceptible wears a face mask with infectious speaking at a distance of 1.5 m, the upper bound drops very significantly; that is, with a surgical mask, the upper bound reaches 90\% after 30 min, and, with an FFP2 mask, it remains at about 20\% even after 1 h. When both wear a surgical mask, while the infectious is speaking, the very conservative upper bound remains below 30\% after 1 h, but, when both wear a well-fitting FFP2 mask, it is 0.4\%. We conclude that wearing appropriate masks in the community provides excellent protection for others and oneself, and makes social distancing less important.Previously published data were used for this work (https://aerosol.ds.mpg.de/). All other study data are included in the article and/or SI Appendix.},
	issn = {0027-8424},
	URL = {https://www.pnas.org/content/118/49/e2110117118},
	eprint = {https://www.pnas.org/content/118/49/e2110117118.full.pdf},
	journal = {Proceedings of the National Academy of Sciences}

Science Daily : Articles on Plastics and Polymers

The two articles were posted to Mastodon.

Firstly a look at the problem of Micro-plastics

Secondly an article on Polymers

Links

Tags

Science,#ScienceDaily,#Articles,#MicroPlastic,#Polymers,#Chemistry, #Plastics,#Research,#Mastodon,#SocialMedia,#TheYearOfTheFediverse

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Planets form in organic soups with different ingredients

Interesting article found on Mastodon, scientists have mapped the chemical composition of planetary nurseries. Looks like I have quite a bit of reading to do, as there are 3 papers linked to this article.

I have included the usual links to the original article & discourse discussion.

Links

Tags

#Astronomy,#AstroChemistry,#Planetary,#Discs,#Science,#ScienceDaily,#Articles,#Papers,#Research

Citations

Harvard-Smithsonian Center for Astrophysics. “Planets form in organic soups with different ingredients: A series of new images reveals that planets form in organic soups — and no two soups are alike.” ScienceDaily. ScienceDaily, 15 September 2021

Biomolecules imaged at record-breaking resolution using localization atomic force microscopy

This is an article [1] from Physics World. We now have the ability to take really detailed images of molecules. This is really important, if not rather complex but we have made huge progress in this. Should aid study of molecules and perhaps open up new fields of research.

Back in 1989 IBM made their logo from Xenon atoms [4]. So I guess this shows how much progress we have made since then.

Links

  1. Bio-molecular Imaging
  2. Physics World
  3. Discourse Discussion
  4. IBM Logo with Xenon Atoms

Tags

#Physics,#BioMolecules,#Imaging,#PhysicsWorld,#News,#Research

Novel food solutions for a more sustainable future – CNA

Interesting article from Channel News Asia (CNA) on sustainable food production. As climate change and disasters jeopardise food security, could the switch to alternative proteins be the solution to the region’s need for a sustainable food ecosystem? Money Mind reports.

Looks like some good innovation here. This was posted by GreenPeace [1] to Mastodon. The article [2] is worth reading so I am not going to try and paraphrase and sum up here as the message could end up getting lost that way. If you are not sure what Jackfruit are, I have also included a link to a BBC Food page on this [3].

I wasn't however aware that rice production was being affected by climate change. This really isn't good given how widespread rice is, for so many in Asia.

Links

1 Greenpeace Mastodon 2 Article on sustainable food 3 JackFruit BBC news 4. Channel News Asia

Tags

#GreemPeace,#Food,#Sustainability,#Environment,#Solutions,Asia,#Rice,#Climate,#JackFruit,#Research,#Solutions

New evidence of a large cold spot partly causing dimming of Betelgeuse

This is another interesting item found on the Fediverse. It seems Betelgeuse is still active. It does appear that there are different ideas as to why this is happening

If Betelgeuse does go Super Nova then this activity may give clues to how stars can behave before hand, giving indications to future events that can be studied more closely perhaps.

I have added a discourse link in case anyone would like to comment further generally.

I have downloaded the paper for this, from Nature Communications.

Links

Tags

#Science,#Astronomy,.#Research,#Papers,#Betelgeuse,#Dimming