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A bottle tab is treasure
The finds
The detector beeps constantly, and the yard fills with debris. His mother, Kate Bowler, a Duke professor who writes about joy, calls it a beep, beep, beep walking nightmare. One of his finds was the tab from an aluminum can. When she asked whether they could just throw it out, he told her it was the best drink of the day, a Dr. Pepper.
A small piece of aliveness
It may be hoarding. It is also a small piece of aliveness, his answer to the question of whether it is good to be alive, and every bit of evidence in his life so far answers yes.
He has a way of making a world wherever he is, and he is easy to surprise because his head isn't in a phone and he isn't stuck on a story of how things will go. When she is worried and humming about something, she looks at the look on his face, at his giant froggy eyes, and his awareness of where he is brings her back to herself.
How do metal detectors find buried objects?
A detector sends alternating current through a transmitting coil, which creates a changing magnetic field around it. When that field reaches a piece of metal, it induces small swirling currents called eddy currents in the metal. Those currents produce their own magnetic field, which a receiving coil picks up and turns into a tone. Different metals respond differently, so some detectors use the strength and character of the response to guess what is buried.
Why do metal detectors beep at so much junk?
Detectors respond to how well an object conducts electricity, not to what it is worth. Aluminum pull tabs and foil conduct in a range close to some gold jewelry, so they register as promising signals. Detectorists often call this the pull-tab problem. Machines can be set to ignore a range of signals, but doing so risks skipping real finds in the same range.
Why do children find wonder in ordinary things?
Developmental psychologist Alison Gopnik describes young children as having lantern consciousness in her 2009 book The Philosophical Baby. An adult's attention works like a spotlight, narrowed to a goal. A child's attention spreads wide, taking in everything nearby at once. Her argument is that this broad attention suits a mind whose main job is learning about the world.
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