“In cold climates it will cost only half as much to heat a well insulated building as it will cost to heat a poorly insulated one. … the annual fuel saving will amortize in two years the addition cost expense of the insulation!”

The Owner Built Home: A How-to-do-it Book (1972)

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Ken Kern48

American writer

Ken Kern American writer

The Owner Built Home: A How-to-do-it Book (1972)

“Ceiling insulation is… preferable to roof-top insulation.”

Ken Kern American writer

The Owner Built Home: A How-to-do-it Book (1972)

“The oxide superconductors, particularly those recently discovered that are based on La2CuO4, have a set of peculiarities that suggest a common, unique mechanism: they tend in every case to occur near a metal-insulator transition into an odd-electron insulator with peculiar magnetic properties. This insulating phase is proposed to be the long-sought "resonating-valence-bond" state or "quantum spin liquid" hypothesized in 1973. This insulating magnetic phase is favored by low spin, low dimensionality, and magnetic frustration. The preexisting magnetic singlet pairs of the insulating state become charged superconducting pairs when the insulator is doped sufficiently strongly.”

Philip Warren Anderson (1923) American physicist

[The Resonating Valence Bond State in La<sub>2</sub>CuO<sub>4</sub> and Superconductivity, Science, 6 Mar 1987, 235, 4793, 1196–1198, 10.1126/science.235.4793.1196]

“About one-fifth of all the heat that enters the average house comes through windows. …external shading is by far the most efficient method for controlling interior heat build-up. The air-wash between the shading screen and the window is also very effective. The screen should have a light-colored finish… Insulation boards placed next to the window pane at night, will help prevent heat losses through glazed openings. Overhangs and horizontal sunshades placed above south-facing windows serve effectively as heat reducers.”

Ken Kern American writer

The Owner Built Home: A How-to-do-it Book (1972)

“If no attempt is made to control excessive heat loss through glass… a solar house may require as much as 20 percent more fuel than an orthodox house during December and January… Wendell Thomas recognized and solved this problem… by burying the house in the ground, except for the south and east window areas. …at night… windows are covered with from inside by insulation boards and drapes…”

Ken Kern American writer

The Owner Built Home: A How-to-do-it Book (1972)