Alright Citizens of Fedi, I have another #Poll for y'all. It's not technically part of the series I'm working on, but I had a chat recently and it got me curious.

#CW talk of penis buoyancy

Do penises (penii?) float in water? And does that change at all depending on hormonal balance or similar factors?

The thought of a correlation between "boyancy" and "buoyancy" is hilarious to me for some reason.

You don't have to be a penis owner to respond to this poll, but it is preferred that you have at least some experience with penises even if second-hand.

Please fill out the poll based on statements you consider to be accurate. Feel free to add context in the replies. I genuinely want to understand your thoughts and perspectives even though my polls can appear to be quite silly sometimes.

To define penis for this poll, non-natal penises are included and you are welcome to mention if that is the case vs not if you're comfortable doing so.

#AskFedi #Penis #Buoyancy #Discussion #Survey
#GoodBadScience

How can the idea of #buoyancy help question the hype around #FloatingCities amid the rapid submergence of #SoutheastAsia’s coastlines?

👀Read @rsiriw & M. S. C. Gemilang: https://doi.org/qhrh

#CoastCities #UrbanJustice #CoastalAdaptation #UrbanAnthropology

How can the idea of #buoyancy help question the hype around #FloatingCities amid the rapid submergence of #SoutheastAsia’s coastlines?

👀Read @rsiriw & M. S. C. Gemilang: https://doi.org/qhrh

#CoastCities #UrbanJustice #CoastalAdaptation #UrbanAnthropology

Floating Bridges

For most of history, floating bridges have been temporary structures, often used by militaries crossing water, but over the course of the twentieth century, engineers learned to build more permanent floating bridges. These structures require very particular conditions–calm waters, minimal ice, and so on–but they can be great options for crossing lakes where the traditional anchoring options for a bridge just don’t exist. In this Practical Engineering video, Grady discusses some of the challenges and innovations of these unusual bridges. (Video and image credit: Practical Engineering)

#buoyancy #civilEngineering #fluidDynamics #infrastructure #physics #science

Dissolution and Crystallization

A colorful assortment of salts dissolve and recrystallize in this microscopic timelapse video by retired engineer Jay McClellan. Every step is a gorgeous rainbow of color as the cobalt, copper, and sodium chlorides dissolve, mix, and change. Though we don’t see what’s going on in the water, fluid dynamics are a critical component of both dissolution and crystallization. In the former, concentration gradients change the water’s density, driving buoyant flows. For the latter, crystallization comes out of evaporation, where surface tension often determines where solid particles get left behind. (Video and image credit: J. McClellan; via Colossal)

#buoyancy #dissolution #evaporation #fluidDynamics #fluidsAsArt #physics #science

💡 Ever wondered how sharks avoid sinking? 🦈
It is not lungs, not magic, but oil, cartilage, and lift shaping their place in the sea.

Full dive here: 📖 https://TPC8.short.gy/r2yc5dtP

In every rise and glide, survival becomes art, a living balance between gravity and grace. 🌊

#Sharks #SharkScience #MarineBiology #OceanExploration #OceanLife #MarineEcology #Evolution #MarineLife #Buoyancy #ScienceCommunication #Biodiversity #Conservation #ThePerpetuallyCurious #TPC8

Dispersing Pollutants via Smokestack

In our industrialized society, pollutants are, to an extent, unavoidable. Even with technologies to drastically reduce the amount of pollutants leaving a factory or plant, some will still get released. It’s up to engineers to make sure that those released spread out enough that their overall concentration does not pose a risk to public health. In this Practical Engineering video, Grady explains some of the physics and engineering considerations that go into this task.

As he demonstrates, taller smokestacks speed up the buoyant exhaust plume (to an extent), which exposes the plume to higher winds, greater turbulence, and, thus, quicker dispersal. But atmospheric conditions and even nearby buildings all affect how a plume spreads. (Image and video credit: Practical Engineering)

#airPollution #buoyancy #civilEngineering #fluidDynamics #infrastructure #physics #plumes #pollution #science #thermodynamics