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@primonatura@mstdn.social
2025-12-08 18:00:14

"Fish-inspired filter removes 99% of microplastics from washing machine wastewater"
#Microplastics #Plastic #Plastics

@tinoeberl@mastodon.online
2026-01-08 19:20:10

#Mikroplastik beeinträchtigt die Fähigkeit der #Ozeane, #CO2 zu speichern und Wärme aufzunehmen.
Forschende zeigen, dass es die

@compfu@mograph.social
2026-01-07 22:26:50

#BerndDasBrot spotted in the latest #Kurzgesagt video :-)
#BerndTheBread

An illustration of how carbon is making up all living things. Red dots are scattered across stylized drawings of a human, a crab, a duck and a loaf of bread with eyes and short arms. It's Bernd the bread (a famous German children's TV puppet that is perpetually grumpy)
@mcdanlj@social.makerforums.info
2025-11-09 04:48:10

In my #HamRadio #POTA adventure today, I got my inverted-V linked dipole caught in twigs today and it died. The silicon wire winds easily around a tight radius, which is nice for putting it on the winder, but also winds around twigs easily, and that fine wire breaks easily. Easier than…

Screen capture of FreeCAD design for a new wire antenna winder
@heiseonline@social.heise.de
2026-01-07 14:45:00

Fender: Bluetooth-Lautsprecher und Kopfhörer für Musiker
Fender hat tragbare Bluetooth-Lautsprecher mit XLR-Kombi-Eingang für Instrumente und Mikrofone sowie Funkkopfhörer mit austauschbaren Komponenten vorgestellt.

@primonatura@mstdn.social
2025-12-08 14:00:14

"Another threat to reefs: Microplastic chemicals may harm coral reproduction"
#CoralReef #Microplastics #Plastic

@mcdanlj@social.makerforums.info
2025-12-06 16:16:49

Over the past couple weeks, I've been designing a spool with some particular features in #FreeCAD, encompassing 6 parts to 3d-print. I've been manually re-orienting them when I print them.
Now that it's working, I realized that I could use the FreeCAD Assembly workbench to create a good packing of the parts in the right orientation for printing, saving anyone else who wants to prin…

FreeCAD screen shot showing the parts as they will be used. This is not an assembly; the parts are designed with parametric placement.
FreeCAD screen shot of top view of parts arranged to print, showing one fixed joint and five 0-valued distance joints between faces that should be coplanar for printing
FreeCAD screen shot showing edge view with printing surfaces aligned
Screen shot of sliced assembly, imported into the slicer and sliced without any further arrangement.
@compfu@mograph.social
2026-02-08 11:53:06
Content warning:

#JamesBond "No Time to Die" (on Netflix right now) feels not of this world. It starts with an old man who's sleeping with a woman that could be his daughter. Then he's hitting on a woman who looks even younger. But I understand why he is confused. After all, the latter woman is basically naked.
I know James Bond was always about cars and ladies. But come on... that's …

Two still frames from James Bond. Daniel Craig (53) driving in a car while a 30-something woman next to him looks at him romantically. The other photo shows actress Ana de Armas wearing an evening gown as small as a handkerchief, drinking from a bottle in a seductive way. Craig approaches from behind. He was 54 and she was 33 at the time of shooting the movie.
@mcdanlj@social.makerforums.info
2025-12-07 00:07:53

I packed for #POTA before heading out to do the weekly grocery shopping, even though it was only 40°F / 4.5°C with low clouds. I decided it was too cold to sit in the helinox chair without insulation, so I drove past US-3867 and went to US-2755 Umstead State Park instead, where I could sit at a picnic table. I took a floor mat out of my car to sit on. As it was, it was cold enough that I co…

Map covering most of the continental United States, showing 33 QSOs across 18 US states, ON Canada, and PR, all using only 5W on the 20m band.
Picnic table set up for POTA with KX3, PA2, my own single-paddle key, and a tablet on a stand with a keyboard.
Pictures of trees with almost invisible mast, RG316 coax, and 26AWG black wire that I know is there but can't see even though I know where to look. the mast is leaning against a branch instead of being guyed.
Linked dipole stowed for transport. Black wire is wrapped in a figure eight on each side, with bright yellow thin elastic cord at the end of each wire. A coil of RG316 coax is underneath it, and some of the elastic cord is wrapped around the coil and winder to stow.
@mcdanlj@social.makerforums.info
2025-12-09 04:04:54

I made a #HamRadio antenna that I really like, and wanted to share the design and process so others can do it too. It's a carefully-tuned linked dipole that is light and has served me well for #POTA activations. It's now in its second iteration and so far I'm very happy with it.