Uncategorized
- Astronomy
A Rocky Bicentennial
Mounting evidence that many asteroids aren't solid rock but collections of loosely bound fragments could have far-reaching implications for elucidating their internal structure, understanding planet formation, and developing strategies to mitigate the threat of one striking Earth.
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18939
I am writing in response to an article in the July 28 issue, “Having gathered moss, water drops roll.” You should have taken the time to find out that Lycopodium is not a moss. It’s true that a common name for the plant is club moss, but Lycopodium is in the division Lycophyta, sometimes called […]
- Tech
Having gathered moss, water drops roll
A coating of water-repellent powder transforms water droplets into remarkably mobile and resiliant balls, hoops, or peanut-shaped blobs.
