Apps

A boreal forest in Quebec. A new study suggests the world’s plants capture an extra 28 billion tons of carbon each year.Credit...De Agostini/Getty Images

Antarctic Ice Reveals Earth’s Accelerating Plant Growth

Analyzing the ice, Dr. Campbell and his colleagues have discovered that in the last century, plants have been growing at a rate far faster than at any other time in the last 54,000 years. Writing in the journal Nature, they report that plants are converting 31 percent more carbon dioxide into organic matter than they were before the Industrial Revolution.

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Broke a Glass? Someday You Might 3-D-Print a New One

The cassette shell should be held together with a five-screw design. This type of design will help to keep the shell from warping. If the shell warps, the tape will not be able to move smoothly for good recording or playback. It may not be able to move at all. The five-screw design also allows the cassette to be taken apart if necessary. So, if the shell got damaged, the tape could be moved to a different shell, for continued use. 2. Using Type I tape is sufficient for spoken word applications. You still need to make sure that the tape is of good quality. Poor quality tape will result in a poor quality recording. It can even cause undue wear on copiers, and more frequent cleaning of the copier heads.

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