Unexplained Great Pyramid (theoretical)

The Hydrogen Line: 1420 MHz Universal Frequency

Catalogued: February 08, 2026

Full Description

If the Great Pyramid generated hydrogen gas (chemical evidence supports this) and used piezoelectric transduction to excite it (granite evidence supports this), the natural emission frequency of hydrogen atoms is 1420 MHz — the "hydrogen line."

This frequency is the most famous in radio astronomy. It is the frequency SETI uses to search for extraterrestrial intelligence because it is universal — any civilization that discovers radio astronomy will encounter the hydrogen line. It is the "waterhole" of the cosmos.

If the pyramid was designed to produce coherent radiation at 1420 MHz, it would be transmitting at the one frequency guaranteed to be monitored by any technologically advanced civilization in the galaxy. The pyramid would be, in effect, a beacon.

This remains speculative, but the convergence of chemical evidence (hydrogen production), physical evidence (piezoelectric transduction), and astronomical significance (1420 MHz) is striking.

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