“To create a rabbit [or human] out of nothing and place it on the table, the magician need not summon up the entire enthalpy, H = U + PV. Some energy, equal to TS, can flow in spontaneously as heat; the magician must provide only the difference, G = H – TS, as work.”
Original version (by Karen Thurber) | Hmolpedia version (by Libb Thims) |
The thermodynamic magician creating a rabbit diagram (Figure 5.1) (above left) and remade Hmolpedia version (above right) by American artist Karen E. Thurber, as found in Schroeder's 2000 Thermal Physics. |