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Relative Energy Consumption per Person for Selected Countries
The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha
Element Cube
Kitagawa Utamaro, The Fickle Type, from the series Ten Physiognomies of Women.
Pyramids of energy, biomass, and numbers
A 2-kg box of taffy candy has 40 J of potential energy relative to the ground. Its height above ...