Month: July 2025

-OVERVIEW- -UNITS- . -NO THEORETICAL “UPPER LIMIT”- -“PRESSURE” CAN BE “NEGATIVE”-(DEPENDING ON THE CONTEXT)(“ABSOLUTE PRESSURE” CANNOT BE “NEGATIVE”) . -5 VALUES- -as of [1 DECEMBER […]

. -as of [13 JULY 2025]- . “NEH pur” (rhymes with “leper”) . -[LOGARITHMIC] REFERENCES- . (symbol: Np) The neper is a logarithmic unit for […]

-as of [13 JULY 2025]- . -OVERVIEW- . -MEASURES [RATIOS]- (not just “sound pressure”) (it can also be used to measure “electronic signals”) (and many […]

-as of [13 JULY 2025]- . -FREQUENCY WIKI-LIST- . -OVERVIEW- -THE [HERTZ]- . -[[1] KILO-HERTZ] = [[1000] HERTZ]- -[[1] MEGA-HERTZ] = [[1 MILLION] HERTZ]- -[[1] […]

. -as of [12 JULY 2025]- . -[PISCES CETUS] SUPERCLUSTER COMPLEX- . -In cosmology, galaxy filaments are the largest known structures in the universe, consisting […]

. -as of [1 DECEMBER 2025]- . (also known as “dark space”) -“cosmic voids” are vast spaces between filaments (the largest-scale structures in the universe), […]

-as of [11 JULY 2025]- . In the mathematical field of Riemannian geometry, the scalar curvature (or the Ricci scalar) is a measure of the […]

-as of [11 JULY 2025]- . *GETTING FILE INFORMATION**official link* You can quickly get information about files, folders, or disks . On your Mac, do […]

. -as of [11 JULY 2025]- . (also Doppler shift) The Doppler effect is the change in the frequency of a wave in relation to […]

. -as of [11 JULY 2025]- . The opposite of a redshift is a blueshift. A blueshift is any decrease in wavelength (increase in energy), […]