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@mcdanlj@social.makerforums.info
2025-10-21 00:57:10

@… #HC43S I've published several 3D printable designs for #HamRadio, all designed with

3d-printed morse code key parts, ready to assemble
Assembled and connected morse code key with hand-hold cover
QRP Linked dipole on a 3d printed winder base, made with 26awg wire, 1.5mm shock cord, RG316 coax, and 7 turns on a 0.82" ferrite choke. This is an earlier version of the winder; the latest version has the ability to build your choice of an SO239 or BNC connector instead of integral coax, if you want.
QRP dual-tapped unun that can be used with EFHW (49:1) or EFRW (9:1) depending on which of the red terminals the antenna wire is connected to. The purple terminal is for counterpoise either way. The coax is RG316.
@compfu@mograph.social
2025-12-22 11:31:34

Entry to an exhibition for kids at Munich‘s „Haus der Kunst“
#München #art #museum

The camera moves closely along a floor that is covered by multiple layers of colourful and random scribbles. They have been made by visitors to the museum using wax crayons. At the end of the video the camera pans up to reveal a view of the whole room. A tall attium, ca 20 by 40 meters, with a brown marble floor (all covered in crayon scribbles), white columns and overhead lighting. A small number of visitors is strolling across the room.
@mapto@qoto.org
2025-10-22 04:08:52

Here's one very concrete bunch of adverse health effects of microplastics
sciencealert.com/microplastics

Microplastics May Be Tied to Vascular Dementia Cases, Review Finds
Vascular dementia is caused by blood flow issues in the brain: it's one of the most common types of dementia, but not as well researched or understood as others.

@primonatura@mstdn.social
2025-10-19 11:00:39

"Microplastics found in the stomachs of Amazon tree-dwelling monkeys"
#Microplastics #Monkeys

Microplastics found in the stomachs of Amazon tree-dwelling monkeys
Scientists have detected microplastics in the digestive systems of red howler monkeys living in protected areas in the Brazilian Amazon, marking the first evidence of plastic ingestion by a tree-dwelling primate, according to a recent study. The researchers evaluated 47 Juruá red howler monkeys (Alouatta juara) and found green-colored microplastic filaments, smaller than 5 millimeters […]

@qurlyjoe@mstdn.social
2025-11-22 03:38:36

W.O.W. Last week was all about Hitler’s #micropenis and now I just saw where Epstein’s dick was some kind of malformed, like egg-shaped, according to one of his victims. I just find the conjunction weird.

@ingo@social.stuetzle.cc
2025-10-22 13:03:09

Largest study of its kind shows AI assistants misrepresent news content 45% of the time – regardless of language or territory bbc.co.uk/mediacentre/2025/new

Largest study of its kind shows AI assistants misrepresent news content 45% of the time – regardless of language or territory
An intensive international study was coordinated by the European Broadcasting Union (EBU) and led by the BBC

@jacobgudiol@mastodonsweden.se
2025-11-20 21:01:44

Det är nu över 10 år sedan dietboksförfattare och influensers påstod att de visste hur man fixade tarmfloran och med det en rad olika hälsoproblem.
Och än idag har vi i princip ingenting konkret från vetenskapen kring tarmfloran och behandling av olika besvär utanför just tarmproblem.
The Autism-Microbiome Hypothesis Is Falling Apart

The Autism-Microbiome Hypothesis Is Falling Apart
Why this new review paper should be required reading for every microbiome researcher

@compfu@mograph.social
2025-12-21 15:43:05

Another #FreeSoftwareAdvent today: our company's internal chat system is #Zulip! (they are also on the fediverse @…)
It's a great Slack alternative that y…

Zulip — organized team chat
Zulip is an organized team chat app for distributed teams of all sizes.

@mcdanlj@social.makerforums.info
2025-12-21 13:20:38

Here is a complete description of the changes that are coming for the US #HamRadio Technician exam on 1 July 2026:
gist.github.com/taxilian/c6fca

2026 technician class pool changes
2026 technician class pool changes. GitHub Gist: instantly share code, notes, and snippets.

@mcdanlj@social.makerforums.info
2025-10-19 22:28:33

Today's SYP (Support Your Parks) #HamRadio #POTA #QRP CW adventure had limited time, so I wasn't sure I'd actually stay for 10 QSOs. But then I discovered that park

Lines showing conversations ("QSOs") over morse code ("CW") from Chapel Hill, NC to ten other ham radio operators; nine in the eastern US and one in Canada, on the 20 meter ham band, using only 5 watts of power. The endpoints of the lines illustrate "skip" — there were multiple stations closer to me that I just couldn't hear and they couldn't hear me. The signal had to hit the ionosphere at a sufficiently oblique angle to be reflected or refracted back down to another ham's antenna, so all the…