Swanson's law Swanson's law Swanson's law is the observation that the price of solar photovoltaic modules tends to drop 20 percent for every doubling of cumulative shipped volume. At present rates, costs halve about every 10 years. It is named after Richard Swanson, the founder of SunPower Corporation, a solar panel manufacturer. Swanson's law has been compared to Moore's law, which predicts the growing computing power of processors. Crystalline silicon photovoltaic cell prices have fallen from $76.67 per watt in 1977 to $0.36 per watt in 2014. Plotting the module price (in $/Wp) versus time shows a dropping by 10% per year.
Break Every Rule which still remain unreleased on compact disc. Turner also recorded other tracks during the sessions for the album with Steve Lillywhite and Bryan Adams which remain unreleased. Following the release of the "Break Every Rule" album Turner recorded the duet "Tearing Us Apart" with Eric Clapton, included on his Phil Collins-produced 1986 album "August" and also issued as a single in early 1987. The album's predecessor, "Private Dancer", set high commercial standards, yet "Break Every Rule" sold very well worldwide. It reached #4 on the "Billboard" 200, #2 on the UK Albums Chart and #1 in Switzerland, and also Germany