Proceedings of the National Academy of Sciences, Volume 122, Issue 32, August 2025. SignificanceWe introduce a theory to describe strong light–matter interactions between electrons in a crystal and the spatially confined electromagnetic (EM) fields of a “subwavelength” cavity. In these cavities, polaritons (i.e., hybrid quasiparticles …
Observations from the Little Bunker
Last updated: August 18, 2025 04:13 PM
Atmospheric CO₂
425.4 ppm
+18.4
ppm/year
Atmospheric CH₄
1934.91 ppb
+9.11
ppb/year
Global Temperature
+1.48 °C
Peak: +1.73°C
World Population
8.1 billion
+67
million/year