When Emerson Fittipaldi won his first Formula 1 drivers’ championship in 1972, his beautiful black and gold cigarette advertisement wore nine different car numbers through the 12-race season. This ...

Optical illusion puzzles are very entertaining and puzzling as they are enjoyable, unexpected, and most of the time you cannot figure out how your eyes were able to deceive you that much. These brain ...

The Bureau of Labor Statistics updated its birth-death model in January, a change designed to produce more accurate monthly jobs figures and reduce large annual revisions. The Bureau of Labor ...

AN excellent way to see one’s own country, or one’s own century, is to visit another. While I was making just such a mental pilgrimage to the eighth century, a recent interest in unconventional ...

Abstract: This paper presents an effective and practical method for calculating the radiation pattern of large finite rectangular arrays. To ensure accuracy, this methodology accounts for mutual ...

If you've been spotting the number seven lately, you may be in luck. Whether you've noticed a series of sevens, like 777, or synchronicities involving the digit, you're experiencing what some refer to ...

one of the most common questions I get asked when I share a rectangle-shaped pattern is how many chains are needed to achieve a certain size and guess what it's a very simple formula to figure this ...

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