Pure Energy! Speed of Light, Time Travel & Einstein’s Relativity — Mind Blowing Discoveries

Pure Energy! Speed of Light, Time Travel & Einstein’s Relativity — Strange Discoveries Humans have always looked to the stars for answers about creation and existence. Modern telescopes now reveal light billions of years old, helping us understand where we come from. Light is energy — both wave and particle. It’s the foundation of all life and spans the electromagnetic spectrum from visible light to gamma rays.

Courtesy of WELT Documentary on YouTube. Watch on YouTube ↗

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