The past perfect tense is used to express action (or to help make a statement about something) completed in the past before some other past action or event. It is formed with had. —-Warriner’s English Grammar and Composition...
The Copenhagan Interpretation . . . merely said that the world is decided when the many possibilities of the quantum world “collapse” to become the certainty of the classical or physical one. Which, if you can get around the peculiar scientific usage of the...
Suppose we split this chain in two. How can we make another one just like it? If, in the substances of the cells, there is a manufacturing department which brings up phosphate, sugar, and A,B,C,D units not connected in a chain, the only ones which will attach to our...
