a newscientist.com Want to enjoy the benefits of a super-sharp high-definition screen without buying a new TV? Simply tell yourself that you are watching HD and put up a few posters to transform your experience. That's one implication of a Dutch study into how people's expectations affect their television viewing experience. Sixty people in turn were shown the same video clip on the same television. Half were told to expect clearer, sharper pictures thanks to HD technology: an impression backed up…
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rsonally I think the twin-blade effect--technically known as "hysteresis"--is bull, but you can judge for yourself. Twin blades were first incorporated into Gillette's Trac II "razor system" in 1971. (Ah, for the days when you could buy a razor blade or a bookshelf without having to get some cockamamy "system" along with it.) What you get is two parallel blades placed 0.06 inch apart. When you run the razor over your face, the first blade slides through each whisker and…
feel like I write more about umpires than many people do, and it’s because I feel strongly that what happens on the field isn’t subject to interpretation. If a player’s foot hits a base before a glove with a ball in it touches that player, that player is entitled to the base, he’s safe, and that doesn’t change because some middle-management functionary says otherwise. If a breaking ball crosses the plate at a point between a batter’s knees and…
ere is no doubt that modern contraception has enabled women to have unprecedented control over their own fertility. However, is it possible that the use of oral contraceptives is interfering with a woman's ability to choose, compete for and retain her preferred mate? A new paper published in the October issue of the journal Trends in Ecology and Evolution reviews emerging evidence suggesting that contraceptive methods which alter a woman's natural hormonal cycles may have an underappreciated impact on choice…
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e interesting thing that I've always found about the film business from an economic point of view is that unlike in any other business I can think of, the cost of manufacturing the product has no affect on the purchase cost to the consumer. For example Honda can make a cheaper car with less features and cheaper finishes than BMW without losing all of their customers to the superior car because they sell their product for less. You spend less…
ERICA is the wealthiest country in the world and its rich keep earning more. In 2007, the latest year for which data are available, the top 1% increased their share of the country's income to 23.5%, according to analysis of tax returns by a pair of economists, Emmanuel Saez and Thomas Piketty. The concentration of income earned by this top percentile now stands at its highest since 1928. Two-thirds of the country's total gains in the five years to 2007…
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