HEW
HUMAN EXPERIENCE WINDOW
The entire span of human existence — from the emergence of
Homo sapiens to the present day — occupies just ~0.00002 Ec
of the ~7 Ec since photon decoupling. This razor-thin sliver
demonstrates how logarithmic cosmic time compresses all of human
history into an almost imperceptible fraction of the universe’s
expansion.
6.994758 – 6.99478 Ec