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Latest Luis Cueto-Felgueroso Stories

2008-12-12 10:03:33

Researchers at MIT recently found an elegant solution to a sticky scientific problem in basic fluid mechanics: why water doesn't soak into soil at an even rate, but instead forms what look like fingers of fluid flowing downward.Scientists call these rivulets "gravity fingers," and the explanation for their formation has to do with the surface tension where the water"”or any liquid"”meets the soil (or other medium). Knowing how to account for this phenomenon mathematically will...


Word of the Day
sudarium
  • A handkerchief.
  • Specifically— The legendary sweat-cloth; the handkerchief of St. Veronica, according to tradition miraculously impressed with the mask of Christ; also, the napkin about Christ's head (Johu xx. 7).
  • In general, any miraculous portrait of Christ.
The word 'sudarium' comes from a Latin word meaning 'a handkerchief'.