“Life is a question of nerves, and fibres, and slowly built-up cells in which thought hides itself and passion has its dreams. You may fancy yourself safe and think yourself strong. But a chance tone of colour in a room or a morning sky, a particular perfume that you had once loved and that brings subtle memories with it, a line from a forgotten poem that you had come across again, a cadence from a piece of music that you had ceased to play... I tell you, that it is on things like these that our lives depend.” -Oscar Wilde, The Picture of Dorian Gray In this passage, Oscar Wilde rejects the comforting idea that a human being is a stable, self-governing consciousness. He pictures identity as something precariously housed in the physical body, continually vulnerable to sensations that can resurrect emotions and memories without our conscious permission. By describing life as depending upon “color, perfume, poetry, and music,” Wilde suggests something unsettling: the smallest sensory experiences venture into parts of us that our reason cannot control, that memory and desire possess more power over the self than our own conscious thought does. Wilde begins by reducing what we normally call the “self” to its raw physical material: “nerves, and fibres, and slowly built-up cells.” There is nothing rose-tinted about nerves or cells; they belong in a biology textbook rather than a meditation on the soul. Wilde boxes the idea of consciousness in this bodily machinery, writing that “thought hides itself” in the cells and that “passion has its dreams” there. “Hides” is an important word choice, because it undermines the assumption that we fully grasp our own psyche. Something hidden, rooted deep in the soil of sensory memory, can still exert influence even when we do not know it's there. All of our experiences plant a seed in the garden of our mind, in those “slowly built-up cells,” until an unexpected input plucks what has grown. The weeds of our histories do not die just because we stop watering them. “You may fancy yourself safe and think yourself strong”. “Fancy” and “think” belong to the conscious mind, the part of the person Wilde has shown to be unreliable. A person can believe himself safe. He can intellectually construct an image of himself as strong, detached, healed. But that construction can be betrayed by something insignificant, “a chance tone of colour in a room or a morning sky, a particular perfume,” Wilde describes, moving then to poetry, music. These examples are across several senses and forms of art; anything can become a doorway into the past. None of these objects are inherently powerful. One perfume may mean nothing to one individual and the bittersweet memories of a lover to another. A line of poetry is forgettable until it becomes attached to a moment. The significance is the relationship between the sensation and the history in the person interacting with it. “...that you had once loved” alters the meaning of material objects entirely. Wilde could have written “a familiar perfume”; love makes the memory emotional. The perfume is powerful because desire is attached to it. The sensory trace is always capable of recovering the feeling. The past survives as fragments distributed in ordinary things. The perfume was “once loved.” The poem was “forgotten.” The music had “ceased” to be played. Each of these examples involves something that the conscious mind has left behind. The person has moved on, or at least believes that he has. The final declaration, “it is on things like these that our lives depend”, argues that our lives are not just enriched by these objects, but that we “depend” on them. A life, in his view, is not singularly built by deliberate decisions or intellectual convictions. It is just as much built from accidental encounters whose importance may not reveal itself until years later. Perhaps that is why his opening image is so effective: thought itself “hides” in the microscopic systems of the body. The passage asks the reader to perform the same act of discovery it describes. Beneath ordinary colors, perfumes, and melodies hide memories; beneath Wilde’s elegant language hides a commentary on what we understand of human nature and self-control. We may imagine that we move cleanly forward through life, leaving old versions of ourselves behind us. Wilde suggests otherwise, the past is embedded deeply within us, waiting, growing in nerves and fibres, until something minuscule, as a line from a forgotten poem, calls it back.

Most people move through engineered reality without ever stopping to wonder at it. The power grid humming behind a light switch. The load-bearing geometry of a highway overpass. The algorithmic choreography of air traffic control managing hundreds of aircraft through the shared sky. These are easy to write off as background noise, but they are the accumulated answers to questions someone, at some point, was brave enough to ask. When I started flight training, I noticed something STEM education rarely talks about: every engineered system is marked with the fingerprints of the people who built it. The transition from leaded to unleaded aviation fuel- something seemingly only relating to chemistry- was actually a negotiation between economic interest and environmental ethics. Air traffic communication protocols reflect human cognitive limits as much as signal theory. When I was studying the impacts of over a century of heavy metal exposure on the Pittsburgh rivers, I realized that, in real time, we are watching communities reckon with the consequences of decisions made by engineers and policymakers who have never had to live downstream. The science was never just science. It was political; it was geographic. A question of “who gets protected?” and “who absorbs the cost?” Technology, I started to realize, is never neutral. It encodes the priorities, fears, and blind spots of its era, and understanding that changes how you approach building anything new. It is always a conversation between human intention and physical reality, and the quality of that conversation determines whether the world gets better or worse. If the systems we inherit carry the values of the people who designed them, then the people who design the next ones have an enormous responsibility to ask harder questions from the start. I believe in STEM as a method, the transformation of a question into something you can hold, test, prove, or build. “How does this work?” “Why does this happen?” “What if we tried this instead?” Those questions, iterated relentlessly, are how cleaner jet fuels get developed, how new cancer treatments are discovered, how radar imaging improves, and how a community reclaims a river. The cockpit taught me that understanding and accountability are inseparable, that you cannot truly know how a system works without also asking what it owes the world around it, because the questions are never really finished, and neither is the world they're slowly, imperfectly remaking.