the.com/energy
the universe's only currency, never spent, just endlessly swapped between forms
never lostCannot be created or destroyed, only transformed
hidden massA single gram holds Hiroshima-scale energy via E=mc squared
dark majorityDark energy makes up about 68% of the universe
sun's secretSunlight you feel left the core 100,000 years ago
human wattsYour resting body radiates heat like a 100-watt bulb