second law of thermodynamics

Dispelling Maxwell's demon

Sep 19, 2025 12 min read

Maxwell’s demon is one of the most famous thought experiments in the history of physics, a puzzle first posed in the 1860s that continues to shape scientific debates to this day. I’ve struggled to mak…

Quantum clock breaks entropy barrier

Jul 12, 2025 5 min read

Scicomm coherent transport dissipative transport entropy Hamiltonian precision quantum clock quantum physics second law of thermodynamics spin chain thermodynamic bias thermodynamics time reversal symmetry

In physics, the second law of thermodynamics says that a closed system tends to become more disordered over time. This disorder is captured in an entity called entropy. Many devices, especially clocks…

Time and the pandemic

Apr 20, 2020 4 min read

Life notes Science arrow of time climate change clock time coronavirus coronavirus pandemic COVID-19 entropy eternity herd immunity new coronavirus novel coronavirus second law of thermodynamics time time symmetry

There is this idea in physics that the fundamental laws of nature apply the same way for processes moving both forwards and backwards in time. So you can't actually measure the passage of time by…