This Week's Blog


Managing the Damage on the Beach

Last week we looked at how adopting smart sun habits―tan, but never burn―minimizes your risk of many cancers and of other serious diseases. Now let’s take a closer look at physics that is triggered when you catch some rays, because there’s something else that you may want to do. A solar UVB photon has enough […]

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The Troubles with Strings

What string theories have in common is a stringy-thing conception. Strings are only an idea. The idea is that some things physics treats as 0-D points might work better as 1-D. To make this happen takes an extra D on top of plain-3-D-plus-time. One extra D seems to work wonders, so soon more extra Ds […]