This is 10 knots slower than "book, " but on this leg the outside air temperature was 5 degrees Celsius higher than standard.

FORBES: Beating America's Airlines

The reason for the faster book speed was outside air temperature that was 5 degrees Celsius lower than the standard for 40, 000 feet.

FORBES: Beating America's Airlines

Energy is generated by the body's adjustments to differences in temperature between the skin and the outside air, which can be harvested.

WSJ: Harnessing Energy From the Body to Power Devices

The growth in the number of air-conditioned homes, which has made indoor TV viewing bearable regardless of the temperature outside, is among them.

FORBES: Magazine Article