IN an earlier paper1, we have described a new type of interferometer which has been used to measure the angular diameter of radio stars2. In this instrument the signals from two aerials Ax and A2 (Fig ...
Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
Getting your money’s worth out of a car means holding on to it—ideally, for at least several years beyond its warranty period. By then, the car depreciates more slowly, and even as maintenance and ...
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