Paul Sutton

Science

Smart windows can significantly reduce indoor pathogens

Smart windows can significantly reduce indoor pathogens

Posted to Mastodon.

The researchers found that, compared to windows with blinds, the smart windows significantly reduce bacterial growth rate and their viability. [1]

Comment

An idea / question from this is could this technology be used on space missions to help protect spacecraft from harmful UV radiation but also take advantage of sanitising properties of UV Radiation. As a quick reference, I have put a link to a wikipedia article below, please note: Wikipedia is not an academic source of information the link is there for reference purposes only.

Perhaps discuss at a STEM group meeting or on a forum. Links

TAGS

#YearOfTheFediverse,#FediverseRising,#Science,#Technology,#ScienceDaily,#ScienceDaily,#SmartWindows,#UVFilters,#Pathogens


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References

University of British Columbia Okanagan campus. “Smart windows can significantly reduce indoor pathogens: Daylight can disinfect surfaces.” ScienceDaily. ScienceDaily, 19 January 2022. www.sciencedaily.com/releases/2022/01/220119121350.htm.

Journal Reference:

Man In Lam, Kinga Vojnits, Michael Zhao, Piers MacNaughton, Sepideh Pakpour. The effect of indoor daylight spectrum and intensity on viability of indoor pathogens on different surface materials. Life Sciences (accepted), 2022 [abstract]

Smart soil bugs offer farmers an ecofriendly route to controlling crop diseases

Smart soil bugs offer farmers an ecofriendly route to controlling crop diseases*

So given we have managed without chemicals for 1000's of years, this is going back to what we have done before, only the research will allow us to grow crops better based on science based knowledge of soil composition.

Links

TAGS

#YearOfTheFediverse,#FediverseRising,#Science,#Technology,#ScienceDaily,#PaigtonLibrarySTEMGroup,#ScienceDaily,#Crops,#Science,#EcoCropGrowing


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Evaluating scientific claims

Six questions physicists ask when evaluating scientific claims

Interesting article, not writing much as to avoid influencing the reading of this. Lets support good Evidence based science.

Links

Tags

#Evaluating,#Science,#Claims,#Physics,#SymmetryMagazine

Fediverse Rising

This is a copy of my article sent in to the Beach hut article published January 2022

Fediverse Rising

Former President Donald Trump just launched his own social media network. If the login screen looks familiar, that may be because it has the same look and feel of the social media application Mastodon [1]. But what is Mastodon, and why is it important?

Mastodon is a decentralized social media site. This means that instead of one big site, like Facebook, people can run their own “nodes” and the users on each can share information with the rest of the network. There is no advertising, no data collecting, or tracking, so there is more privacy, although this is not to say public posts can’t be “scraped.”

Mastodon sites are federated and there is no single owner of the whole social media service. You can run your own Mastodon server, called an “instance,” and interact with other users on other instances. These communicate through a protocol called ActivityPub. [2] The network of instances, called the Fediverse, consists of instances running the Mastodon software licensed under the GNU Affero General Public License [3] from the free software foundation [4]. An example of Federation is e-mail, there are different providers of e-mail e.g disroot, protonmail and they can all work together.

Just like on mainstream social media such as Facebook and Twitter, you can share pictures, messages, media, and links and can follow other people or topics (using hasthtags) of interest. A project called Trunk [5] helps you find people who like similar interests.

The Fediverse community values user input. The community on socialhub [6] are keen to build a social network system that is welcoming and safe for everyone, one that everyone can collaborate and work together. Some of this community are communicating with the EU / UK governments to ensure legislation and internet governance is fit for purpose and puts users before profits.

References

1. https://docs.joinmastodon.org/
2. https://activitypub.rocks/
3. https://www.gnu.org/licenses/agpl-3.0.en.html
4. https://www.fsf.org/
5. https://communitywiki.org/trunk
6. https://socialhub.activitypub.rocks/

Links

TAGS

#YearOfTheFediverse,#FediverseRising,#Science,#Technology,#ScienceDaily,#PaigtonLibrarySTEMGroup,#Fedevolution2022


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Open Learn – Discovering Chemistry

Anyone looking at undertaking this course with Open Learn, I have set up a thread on discourse to facilitate further discussion.

Chemistry lies at the centre of our modern life, playing a part in areas as diverse as the development of new drugs and materials, analysing our environment through to more mundane activities such as washing your clothes and making your tea. But to truly understand the role chemistry plays you need to have a sound grasp of a number of fundamental principles.

This free course, Discovering chemistry, introduces you to some of these concepts, beginning with the idea that everything that you can see is made of building blocks called atoms. This leads on to a look at the chemical elements and how they are arranged in the Periodic Table, enabling chemists to rationalise patterns in their chemical and physical behaviour.

Next you will consider chemical reactions, specifically how atoms combine with other atoms to form molecules, and how molecules combine with other atoms or molecules to form bigger molecules. You will meet simple (tried and tested) theories to explain the bonding in molecules and at how their shapes may be explained, and indeed predicted. And in a wider sense you’ll be looking at why reactions happen at all and how fast they go.

This is also a beginner’s level course in the language of the chemist; you’ll learn about symbols, formulas and how chemical equations which represent reactions are constructed. Finally you will see how chemists count atoms and molecules, essential for making up solutions of a known concentration in order to carry out a reaction, or performing a chemical analysis.

#Learning,#Chemistry,#Science,#STEM

Quantum science & technology: Highlights of 2021

Just found this, so making a final post for today. These are some of the highlights in the world of Physics in 2021. Lots of things happened in 2021, so lets hope 2022 is equally as exciting.

I have added a link to the discourse forum and also a link to the Tuxiversity science thread, so you can discuss courses and other options for learning.

Links

Tags

#Physics,#Science,#PhysicsWorld,#2021,#News,#Discourse,#Forum, #Qoto,#Tuxiversity,#Education,#Learning,#Discussions

Site Index

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A

#Astronify #Adenine #AminoAcid #Astronomy #AralBalkan #AstroBiology #AstroChemistry #apg #Apt #Aptitude #Africa #Activism #Analytics #Api #Arduino #AMES #arXiv #Academy #Abuse #Afghanistan

B

#Blog #BioChemistry #Biology #bash #better #BigBluButton #BibTeX #Browser #Beamer #Bullseye #Buster #Bookworm #Blender

C

#Cytosine #Conditions #Cryptpad #Cosmology #Chemistry #Console #Chat #Conference #Code #Coding #CodeClub #Cornwall #Covid19 #Corona #CoronaVirus #CreativeCommons #Commons #Chrome #Chromium #Charity #Creative #Education #CPD #cpd #CreativeEducation #CTAN #Crystal

D

#dna #DNA #Disroot #disroot #Decentralised #Decentralized #dcglug #dclug #Debian #Donate #Donation #Debconf #BASH #Devon #Digital #DRM #Diaspora #DiodeZone #Development #Data #Detox #Docker #DeepLearning #Documentation

E

#emacs #Editing #Events #EventManagement #Employment #Email #Education #Exploration, #Ethics #Elements #Exploration #EveryonesInvited

F

#Flockingbird #Framablog #FramaBlog #Fediverse #Federated #Firefox #Fosdem #Freedom #FreeSoftware #Foundation #FSF #FSFE #Friendica #Framework #FreeBSD #FalconsEye #FOSSandCrafts #FutureLearn

G

#GoatCounter #Guanine #Greek #Gimp #Galaxy #GoDot #GNU #GNOME #GUI #Gamma #Ghostreply #GPL #GraphicsMagick #gm #GoAccess #gold #GettingStarted #Git #GitLab #Gitlab #GDPR #Galculator #Games #Engine

H

#Hubble #Hexchat #Hack #Hacking #Hardware #Hosting #htop

I

#information #Inkscape #Image #ImageManipulation #IRC #Index #Invidious

J

#JamesWebb #JWST #JoeEditor #Jitsi #Jit.si

K

#kstars #Kanban #Kenya #KDE #KeepingChildrenSafeinEducation, #KCSIE

L

#Linux #LinuxMint #LibreOffice #LiberaPay #LibrePlanet #Lecture #Learning #LibreOfficeWriter #LibreOfficeCalc #LibreOfficeImpres #LibreOfficeDraw #LibreOfficeGettingStarted #LaTeX #LXDE #LGPL #Lynx #Librem #Libre #LibreLounge

M

#Mastodon #Meetings #Management #Mobilizon #Meeting #Matomo #Map #Mapscii #Mercury #mercury #mining #Matrix #Moon #Mars #Manganese #Materials

N

#Nextcloud #Nebula #NetHack #Nano #Nucleobases #network #NGINX #NaCl

O

#OpenUniversity #OpenLearn #OU #Online #Overleaf #OwnCloud #OpenStreetMap #OpenData #Open #Overleaf

P

#Physics #Podcast #Payment #Password #Public #Paypal #Photo #Photograph #Photos #Photographs #Python #Python3 #Programming #PixelFed #PeerTube #PowderToy #Pleroma #Planet #PDF #Package #pinebook #pinephone #Purism #Plausible #ProtoSchool #PeriodicTable #Paper #Privacy

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R

#rna #RNA #Rights #RocksAndDiamonds #Recovery #RadioAstronomy #Research #RedBubble ##PaigntonLibrarySTEMGroup

S

#Science #Scratch #Scratch2 #Scratch3 #smallweb #Sitejs #Space #Stars #Stellarium #Stripe #Security #stsci #Seagl #Social #SocialHub #SDTJ #SouthDevonTechJam #Solarus #Synaptic #Schools #Solid #Shynet #Scismic #ScienceDaily #Stickers #Symmetry #Salt #SodiumChloride

T

#Terms #Telescope #TheOpenUniversity #Terminal #Talk #Thunderbird #Torbay #TeX #Topic #Thunar #Thymine #tailings #Top #Tilde #TextEditor #Toot #Translation #Trojans #TorbayTrojans #Tuxiversity #Techlearningcollective #Trunk

U

#Uracil #Umami #UniverseOfLearning #users

V

#Vaccine #VokoScreen #VLC #Volunteering #Volunteer #VultureNethack #vultureseye #Virgo

W

#Website #Work #wireless #wicd #wayland #weatherinfo #Wormhole

X

#Xournal #Xchat #XFCE #XFCE4 #xray #XMPP #xorg

Y

#YearOfTheFediverse

Z

#Zoo

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}

The Webb Space Telescope: Launching a Legacy

This is the December public lecture from the Space Telescope Science Institute

Location: Online Attendance Only Date ; December 7th 2021 Time: 4:30 PM – 6:00 PM *

  • US Time (Baltimore)

Links

Tags

#Science,#Space,#stsci,#Telescope,#Astronomy,#JamesWebb,#Webb

Ask for Evidence infographic

This is a really good resource to help people get to the facts by asking for evidence. I have some information at Paignton Library about this too, along with more resource set aside for the next STEM group meeting on the 11th December.

Hopefully it will make a good discussion topic at the meeting too.

This is a really important issue. Especially given all the information we are bombarded with on a daily basis, different viewpoints, sources separating good and bad information is a skill. This goes for looking up how to undertake tasks, you need to find the right information, this takes time.

When looking at Science it is about doing proper, robust and high quality research,

Getting this peer reviewed is an important step. However the resource on this is really useful for understanding the peer review process, as I this is an important step to ensure we can trust the research in the first place.

Ask for Evidence infographic

Links

Tags

#Science,#Evidence,#AskForEvidence,#Infographic

Library display

I have added some of the resources that Sense About Science sent me to the display.

AskForEvidence

AskForEvidence

AskForEvidence