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→Andrew Schlafly's comments
::The mass energy in 1 kg is <math>1\,\textrm{kg}\cdot\left(3.0 \times 10^8 \frac{\textrm{m}}{\textrm{s}}\right)^2 = 9.0 \times 10^{16}\,\textrm{J}</math> (keeping in mind, of course, that a joule is a kilogram-meter-squared-per-second-squared). That's a lot of energy! [[User:GregG|GregG]] 01:22, 18 January 2013 (EST)
::The mass energy in 1 kg is <math>1\,\textrm{kg}\cdot\left(3.0 \times 10^8 \frac{\textrm{m}}{\textrm{s}}\right)^2 = 9.0 \times 10^{16}\,\textrm{J}</math> (keeping in mind, of course, that a joule is a kilogram-meter-squared-per-second-squared). That's a lot of energy! [[User:GregG|GregG]] 01:22, 18 January 2013 (EST)
:::Or about 21 kilotons of explosive power... or 25 TWh... Or... --[[User:DonnyC|DonnyC]] 01:36, 18 January 2013 (EST)
:::Or about 21 kilotons of explosive power... or 25 TWh... Or... --[[User:DonnyC|DonnyC]] 01:36, 18 January 2013 (EST)
:::: You are out by a factor of 1000. A kiloton of TNT-equiv is approximately 4.185*10e12 Joules. The kiloton equivalent for the figure GregG gave would be about 20000 kilotons (20 megatons). [[User:Dvergne|Dvergne]] 01:53, 18 January 2013 (EST)