The Perfect Fading

 

If given a choice, I would wish for the arc of my life—its gentle descent into death—to resemble the slow, spiraling drift of a star circling a black hole. Not a violent or a sudden fall, but a measured approach, with my mind still clear and my body still capable—capable enough not having to lean on someone for every breath, for every step.

I want it to be an arc where the mind, acutely aware of the nearing event horizon, will enter that boundary not with regret of something ending, but with the grace of something ending well.

A quiet surrender. A return home.

I want within me a calm acceptance when it is time to give back the calcium I borrowed to shape the scaffolding of my bones.

That, to me, would be the perfect arc—the quiet fading of life into the inevitability of death.

Event Horizon

 

Life is like a star—
 caught in orbit,
   around the black hole
     of mortality—
       of death—
         of impermanence.
Its pull:
  constant.
    invisible.
      inescapable—
        spiraling us in,
          toward its event horizon.

Things That Break

 

One day here — gone tomorrow;
things that break —
are ours to only borrow.
But in between — if there's a chance —
share a stranger’s
happiness — and sorrow.

Why Extraterrestrial Sesne of Vision May Resemble Ours

 The universe may be vast, but vision across all species might not be so different across cosmic distances.

Arun Kumar

Arun Kumar + AI

  

Summary: Human vision is tuned to the Sun’s spectral power density due to natural selection. Since stars across the universe emit peak radiation within a narrow range, extraterrestrial vision may share similarities with ours. The laws of physics and constraints of natural selection suggest common sensory adaptations in different environments, shaping how organisms perceive their surroundings.

One of earlier posts explored the characteristics of sensory perception related to vision and why they are the way they are.

Human eyes are sensitive to only a narrow segment of the electromagnetic (EM) spectrum — just 0.03% of its entirety. This vast spectrum ranges from gamma rays with the shortest wavelengths, measured in picometers, to radio waves that can stretch for kilometers.

The fact that our eyes respond specifically to this small slice of EM radiation is no coincidence. Their sensitivity is finely tuned to the spectral power density (SPD) of the Sun, which emits most of its radiation within the wavelengths our vision detects the best.

This precise alignment (or the case of hand fitting a glove) is the result of natural selection, an extraordinary force shaping biological evolution. A more effective ability to perceive the environment through vision offers a survival advantage, enhancing reproduction and ensuring the propagation of traits suited to environmental conditions. As a result, our vision evolved to detect the most abundant source of information in our surroundings.

Natural selection itself is no accident — given certain conditions, it is an inevitability. In an energy-constrained environment where organisms compete for survival, traits that enhance perception — such as sensitivity to the Sun’s preferred wavelengths — give a competitive edge. These advantageous traits persist across generations, reinforcing the logic behind natural selection’s role in shaping species.

Given this, one might wonder: If numerous other stars have SPDs similar to the Sun, would organisms evolving near them develop similar visual characteristics?

The answer lies in the variation of SPD among stars. Interestingly, the differences are not substantial. Stars in our galaxy are classified along the Main Sequence, with types ranging from O to M. This classification is primarily defined by surface temperature, which ranges from 30,000K in hot O-type stars to around 3,000K in cooler M-type stars.

A fundamental law of physics — Wien’s law — describes the inverse relationship between a star’s peak spectral power and its temperature. For example, hotter O-type stars emit peak radiation in the ultraviolet range, while cooler M-type stars peak in the infrared.

However, the range of peak SPD across Main Sequence stars — from ultraviolet to infrared — is relatively narrow compared to the full electromagnetic spectrum. This suggests that the physiology of vision among biological organisms across the universe may not differ dramatically.

To summarize:

1. The fundamental laws of physics and stellar evolution dictate the wavelengths at which stars emit peak SPD is primarily within the ultraviolet-to-infrared range.
2. Competition in energy-limited environments drives the emergence of natural selection.
3. The combination of these factors implies that organisms evolving near different stars may develop comparable vision, shaped by the most abundant wavelengths of light available to them.

Perhaps that’s why, when Captain Kirk encounters extraterrestrial life aboard the Starship Enterprise, they often perceive reality in ways similar to humans.

A natural next question is: Why do star temperatures fall within the 3,000K to 30,000K range and not stretch to more extreme values? That would be another question worth exploring.

Ciao and thanks for reading.

Related:
- The worlds beyond my senses
- The reason I see and hear what I see and hear
- Fitting in a Puddle
- Why Do We Have Senses? Exploring the Evolution and Neuroscience Behind Human Perception
- How Biological Organisms Evolved Senses to Respond to Their Environment
- The Evolutionary Puzzle of Human Senses: Why Five?
- Senses and environment: Connecting the threads

Walking the Banks of the Ganges

 

Walking the banks of the Ganges,
where a few pyres still burned,
the dead departed quietly,
their atoms rising—
returning to the universe.

The pungent smell of mortality
scorched my lungs.

And then,
consciousness stirred a question:
Why were they here?

Falling in the Sinkhole (of Existential Despair)

 

It is those who walk, gazing at the sky and pondering the meaning of the stars, who find themselves stumbling into the sinkhole of existential despair

Arun Kumar

Arun Kumar + AI: A Man Falling into a Sinkhole While Looking at Stars

Summary: Existential angst has a better chance to arise when basic survival concerns subside, allowing for mental space for reflection on life’s deeper questions. It is an easier ailment to have amidst affluence, a privilege that allow for introspection but remains rare in survival-focused lives. Modern distractions also suppress existential inquiry, while moments of cosmic wonder, awareness of mortality, and life transitions can elicit contemplations of purpose and meaning of existence.

Have you ever wondered why some individuals wrestle with existential angst, seeking purpose and meaning in their lives, while others seem untouched by such concerns and effortlessly embracing a happy-go-lucky existence where existential despair is unlikely to surface? The answer to this intriguing puzzle might lie in the nature of existential angst itself: it is a reflective state that emerges from the unique convergence of life’s circumstances.

One explanation for this dichotomy between those who experience existential angst and those who do not is that a necessary condition for existential angst may be having a minimal level of affluence.

When individuals are consumed by the immediate demands of survival, whether it’s finding their next meal or enduring the relentless challenges of subsistence living, there is little mind space for existential questioning. The mind remains preoccupied with urgent concerns like shelter, sustenance, and survival. In such circumstances, existential angst is a luxury to have, and pursuit of purpose is secondary to the pressing realities of life’s practical challenges

Conversely, existential angst finds fertile ground in those fortunate enough to rise above the immediate demands of survival. Once basic needs are fulfilled, the mental space previously consumed by survival is liberated for introspection. In these moments of quiet reflection, the seeds of existential inquiry (and despair) can take root and flourish. A full belly, a secure home, and a stable routine pave the way for pondering the nature of existence, the mysteries of the cosmos, and one’s place within it.

Even among those who possess mental space for existential angst to take root, modern life provides an abundance of distractions

For instance, individuals may become ensnared in the relentless ‘rat race,’ consumed by the pursuit of professional success or the demands of maintaining a high-profile lifestyle, leaving little mental space for contemplating their place in the world.

Existential angst must also contend with the human tendency to favor the path of least resistance. In an age defined by technology and an endless array of entertainment, individuals have unparalleled tools to divert themselves from the practice of introspection. Activities like doom scrolling through social media, binge-watching TV shows, or mindlessly consuming online content offer effortless escapes from grappling with life’s deeper questions. These readily accessible distractions fill the vacant mental spaces in our lives, keeping existential despair at a distance. Moments that might otherwise nurture reflection are instead absorbed by fleeting and superficial engagement.

For those with the mental space for introspection, gazing upward and marveling at the cosmic alchemy above becomes a powerful catalyst for existential reflection. The stars — radiant reminders of the universe’s vastness and our own relative insignificance — can inspire a sense of wonder and existential inquiry. This glimpse of the cosmos’ grandeur compels individuals to confront questions of purpose, meaning, and their connection to the universe at large.

When mental space allows, other triggers of existential angst may also emerge. These include an awareness of our mortality and the uncertainty of what lies beyond death, prompting us to question the meaning of our finitude. Additionally, transitional moments — when one phase of life ends and the next remains unclear — can easily stir existential reflection.

The embrace of existential angst is, therefore, a phenomenon intertwined with circumstance. For some, the immediate demands of life leave no space for such reflections. For others, privileges provide mental freedom and an opportunity to explore the questions of existence.

The irony lies in the fact that it is only when one has the luxury to gaze at the stars and ponder the meaning of existence that one risks slipping into the sinkhole of existential despair. Conversely, when life is compelled or chooses to focus on the ground — whether to secure the next meal, maintain an extravagant lifestyle, or succumb to the path of least resistance — existential despair is kept at bay.

Ciao, and thanks for reading.

It Was Never the Plan

On some evenings,
when a realization dawns —
that every step I took
through the day
led me two steps back —
it hurts to know.

Worse still,
when the evening asks:
will you
repeat the same again
tomorrow?
What can I say?

Regression,
it was never the plan.

Already Weary Toes

 

On some evenings,
icicles hang —
from a weathered soul;
  daggers of desolation,
waiting to fall,
  and pierce - already weary toes.