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The blog namespace is for catching stray ideas. These may be less polished than the stuff you see in the Lore namespace.

Underlay Tunnel Interface Card

Here's an Underlay tunnel interface card used in an Ansible. A tailstone wafer is visible under a layer of glass.

2026/03/27 12:27 · lurker

Vestibule

Nearly every building, including private homes, has a vestibule to act as a buffer between the outside and inside. Where hygiene is a concern, such as medical buildings and restaurants, a washing pool is found here, as shown in Table Manners and Everybody Poops Together. Otherwise, there is a bristly floor mat for wiping the paws off before entering. Humans are expected to remove any outer footwear and leave it in the vestibule. On orbital colonies, the vestibule is an airlock separating the detachable habitation module from the hull of the colony.

2026/03/26 17:21 · lurker

Rock Eater

The Rock Eater formula perfected by the Lifebringers and used in terraforming looks a lot like sourdough starter. There is a gel or liquid medium that sustains the microbes during transit. The microbe mixture is stored in tanks. The microbes convert the nutrients in the medium to oxygen, just like they do during the actual process of terraforming. This oxygen has to be removed as soon as possible to avoid killing the anaerobic microbes used in the early phases of the terraforming process. Prior to the invention of force projectors, the oxygen was used as extra reaction mass in the delivery vehicle. Afterward it is vented into space.

When it comes time to deliver the payload, there are a number of strategies used throughout history and depending on the local conditions. Sometimes, the mixture used has a low enough viscosity to be sprayed as an aerosol. The delivery vehicle enters the atmosphere and, upon getting close to the ground, sprays the rock eater in long streaks on the ground below.

Another method uses a more viscous mixture. This mixture is stored in tanks until the vehicle enters low orbit around the body to be terraformed. The vehicle injects small amounts of the mixture into what are basically paint balls, and fires the balls at the ground as it orbits.

Whatever the dispersal method used, the goal is to cover as wide an area as possible. Without pre-existing life on the planet, the microbes spread virulently, nomming the lifeless rock and turning it into breathable air.

2026/03/23 12:53 · lurker

Burial

In most yinrih cultures, one honors the dead by making good use of their remains. Burying the body after death is a statement that the remains aren't worth using and the person they belonged to isn't worth remembering.

When willed by the deceased, burial is regarded as sacrilege in the Bright Way. It's often done by Partisans and Atheist Atavists as a rejection of Claravian teaching on the nature of the body (and the universe as a whole) as a deliberate work by an intelligent mind. Burial was also used in the past as a posthumous condemnation, as demonstrated with the corrupt overseer who founded the City of Eternal Noon.

The usual use for bones as architectural adornment is less costly than a human burial because the defleshed bones take up much less space than a coffin and headstone. Nevertheless, if cost is still a concern, one can elect to have their bones pulverized and incorporated into the brickwork of new lighthouses or other structures. This process is also the typical ultimate fate of bones displayed in a lighthouse once space runs out.

2026/03/23 05:51 · lurker

Yinrih Visible Spectrum

I really need to pin down what the yinrih's range of visible frequencies is. They have a concept of light and dark, so they shouldn't be able to see microwaves, since most things above absolute zero radiate in that range or above. They can see body heat, so infrared is visible. There are formulas for finding out the frequency range emitted by an object given its temperature. I should probably mess around with those.

Using Wien's law and assuming the object is a blackbody with a temperature of 37 Celsius (average human body temp), the wavelength it radiates the strongest is 78.32 micrometers, or 3.828 terahertz.

Oops, humans radiate at around 12 micrometers after accounting for skin temp and losses due to clothing. Let's assume yinrih are similar, with fur serving instead of clothes. I never did establish any lore regarding the upper end of yinrih vision other than giving rough numbers, and I have a ton of lore about yinrih seeing below the human visible range. Let's say they can see down to 12 micrometers on the low end and 315 nanometers on the high end, so they can see body heat emitted by warm-blooded animals up to UV-A radiation, since UV-A isn't blocked by the ozone layer.

If we assume a single pair of bandpass membranes covers a fourth of that range, that still over four times the size of the human visible spectrum, so let's say neural signal processing takes care of that. They have more granular control over where and how wide this secondary passband is.

I've depicted yinrih with their eyes fully open as often as not, exposing their black nantenna patches. Their vision would appear as a blown-out image, so let's say that when a yinrih does this they rely on other senses. It isn't painful for them but it does make them effectively blind.

The visual qualia they experience ends up having properties akin to human color, but the perceived color of an object shifts along with the visual passband. If they look at an object that's brightest outside their current passband, it appears gray or black.

Color words in yinrih language are all analogies to objects so colored, and those objects may look very different to them than to us. Tod's red fur appears similar to the color of a redfruit (either the good or poisonous kind), but probably doesn't look red in the same way humans would regard red. It just happens that Tod's fur and the redfruit appear red when viewed with human eyes.

2026/03/22 06:21 · lurker
blog/start.txt · Last modified: by lurker