SAE Transactions, Vol. 107, Section 1: JOURNAL OF AEROSPACE (1998), pp. 145-153 (9 pages) The method of multiple reference frames is employed in the development of a state variable model for brushless ...

The reference frames from which observers view quantum events can themselves have multiple possible locations at once — an insight with potentially major ramifications. Imagine standing on a railway ...

Is the latest iPhone a good value? Should you accept that promotion you’ve been offered? Should you pay to have someone come and fix your leaky toilet or fix it yourself? Although we might delude ...