Author Archive

Olympic Physics: Diving

Friday, July 27th, 2012 | Tags: , ,

Editor’s Note: The summer Olympics draw viewers to sports that they otherwise ignore. We marvel as athletes ranging from divers to pole vaulters turn power and speed into athletic artistry. Speed (velocity) and power (force) are also key elements in physics. This is the second in a series of guest posts by Dr. Larry Silverberg,

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Olympic Physics: Tennis

Thursday, July 26th, 2012 | Tags: , ,

Editor’s Note: The summer Olympics draw viewers to sports that they otherwise ignore. We marvel as athletes ranging from divers to pole vaulters turn power and speed into athletic artistry. Speed (velocity) and power (force) are also key elements in physics. This is the first in a series of guest posts by Dr. Larry Silverberg,

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What’s the Deal with Seedless Watermelons?

Friday, July 20th, 2012 | Tags: , , ,

Seedless watermelons aren’t seedless. They have those little white seeds that don’t have hard black shells, like the seeds in seeded watermelons. How do they do that?  Glad you asked! In seeded watermelons, the seed develops its hard seed coat (or testa) once it is fertilized. But, because seeds in seedless watermelons cannot be fertilized,

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Researchers Seek Public’s Help To Aid Trees

Editor’s Note: This is a guest post by Rosemary Hallberg, of USDA’s Southern Region Integrated Pest Management Center (SRIPMC), which is housed at NC State. The SRIPMC is launching a “tiny terrors” initiative to help protect hemlock species in the region. Those interested in learning more about the project can visit www.threatenedforests.com/tinyterrors, or contact Erin

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The Chemistry of Fireworks

Tuesday, July 3rd, 2012 | Tags: ,

Editor’s Note: This is a guest post by Steve Townsend, director of communications in NC State’s College of Physical and Mathematical Sciences. Just in time for the 4th of July! As they have for well over 200 years, the skies over cities and towns across the country will explode in celebration this July 4. While

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