Optical trapping (or optical tweezers) has been widely exploited for trapping and manipulating small objects in air or water 1,2. In the field of micro-machinery, for example, it is used to arrange ...
“Dang,” I thought upon seeing a sign, “that snuck right up on me.” Rigby and I were heading up a trail that I’ve been frequenting for some 45 years or so, taking advantage of a nice fall day for a bit ...
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