What Time Really Is
Modern physics treats time as part of spacetime: measured durations can differ with relative motion and gravity. Thermodynamics adds an arrow associated with irreversible macroscopic…
Modern physics treats time as part of spacetime: measured durations can differ with relative motion and gravity. Thermodynamics adds an arrow associated with irreversible macroscopic…
Thermodynamic entropy is a state quantity associated with macroscopic processes; statistical mechanics connects it to the multiplicity of microscopic arrangements compatible with a macrostate. The familiar word disorder…
Logs, TLS checks, backup ages and distributed event ordering all become harder to trust when the host clock drifts.
Clausius introduced thermodynamic entropy; Boltzmann connected macroscopic behavior to statistics over microscopic…
Rain today does not imply that a river will change in the same way today. Where the rain fell, what happened in the soil, which path the water followed, and how long that path took all contribute to the river's response.
When logs from several servers are compared side by side, timestamps are often used to reconstruct the incident. If the clocks differ, however, a later event can appear to have happened first. Sorting timestamps is not enough to prove causal order.
Physics measures relations among events, while human experience adds memory, anticipation and a felt flow of…
Network clock skew is an implementation limitation. Relativistic time differences are features of physical law, not synchronization…
Recurring charging rules look harmless until timezone, month-end and relative-time semantics collide.
Newtonian absolute time provided a successful framework until relativity replaced it with a spacetime in which simultaneity depends on the observer's state of…
A timestamp inside a packet can look like a clock reading, but RTP timestamps primarily describe position in the media clock. Wall-clock time, media time, and packet arrival time are different concepts.
Distributed computing is a modest intuition pump because engineers know how dangerous it is to assume one globally shared clock or one unquestionable event…
Entropy links microscopic laws to the macroscopic arrow of time and forces us to ask why some directions of change are overwhelmingly more…
A counter accumulates events over time, but some counters start over when a process restarts. Subtracting the next value from the previous one can then produce an impossible negative event. The events did not run backward; the measurement history was reset.
TOTP is not a random six-digit number every half minute; it is a deterministic moving-factor calculation with a strict verifier window.
A piece can be about an old period and still be written today. An old note can also be published for the first time today. Forcing those events into one date changes the meaning of the archive.
An essay about time can be skimmed quickly, but a song unfolds at its own pace. When I think about Pink Floyd's Time, that relationship matters: understanding the subject also requires the listener to remain inside time.
Engineering benefits from tracking constraints, energy availability and irreversible processes rather than treating entropy as a metaphor for…
A messy room is not automatically a high-entropy thermodynamic system. Information-theoretic and thermodynamic entropy have deep connections but are not interchangeable in every…