The light that touches your face right now left the sun eight minutes ago. You have never seen the present sun. No one has.

Every act of writing shares this property. The moment a word is set down, it begins traveling away from the person who wrote it. A sentence written at noon arrives at six carrying a meaning the writer did not pack. The gap between sending and receiving is where meaning is made, lost, and transformed.

What the Light Carries is a work of literary fiction structured as twenty-one letters, notes, messages, signals, and encodings, organized by the magnitude of the temporal gap each one attempts to cross. The gap begins at one second and expands to light-years.

A vascular surgeon dictates an operative report while the patient is still on the table. A cockpit voice recorder captures ninety seconds that a first officer will never mention to his wife. An eleven-word note on a gas bill envelope sits on a kitchen counter for nineteen days. A recipe card annotated by three generations of women carries a sixty-year argument about chocolate. Seven emails to an ex-wife are composed, saved to the drafts folder, and never sent. A family's holiday letter is a masterwork of coordinated dishonesty. A note hidden inside a kitchen wall is found fifteen years later by strangers. A retired librarian returns a book that has been overdue for twenty-seven years. A time capsule is opened eight months after the teacher who sealed it has died.

A homestead deed carries 140 years of silence about the people who were here first. A radio signal broadcasts Chopin and a list of forty-seven names into a frequency no one has monitored for two centuries. A cataloguer in the ruins of New Jersey, 500 years from now, tries to determine what "Netflix" was. A panel of experts attempts to design a warning that will remain legible for ten thousand years.