Why do guys name their cars girl names?

Why do guys name their cars girl names? One theory is that the habit carried over from men’s habit of calling ships “she” and naming ships after women, most often goddesses in ancient times. Similarly, when men became dependant on motor vehicles, they were an ornament of pride and cared for with great attention by […]

Can a laser Bend?

Can a laser Bend? Five years ago physicists showed that certain kinds of laser beam can follow curved trajectories in free space. The Florida team generated a specially shaped laser beam that could self-accelerate, or bend, sideways. The researchers did not bend the laser beam as a whole but rather the high-intensity regions within it. […]

Can we prove axioms?

Can we prove axioms? Unfortunately you can’t prove something using nothing. You need at least a few building blocks to start with, and these are called Axioms. Mathematicians assume that axioms are true without being able to prove them. If there are too few axioms, you can prove very little and mathematics would not be […]

Does &= short circuit?

Does &= short circuit? No, they do not cut-short. Note that the &= and |= operators are formed as & + = and | + = . Only boolean operators && and || perform it. What is a short circuit evaluation Python? When Python is processing a logical expression such as x >= 2 and […]

What are the 10 thinking errors?

What are the 10 thinking errors? The most common thinking errors can be divided into these 10 categories, which are adapted from David Burns’s book, Feeling Good: The New Mood Therapy . All-or-Nothing Thinking. Overgeneralizing. Filtering Out the Positive. Mind-Reading. Catastrophizing. Emotional Reasoning. Labeling. Fortune-telling. How can I change my mind from negative to positive? […]

Which rocks contain the most silica?

Which rocks contain the most silica? Compilations of many rock analyses show that rhyolite and granite are felsic, with an average silica content of about 72 percent; syenite, diorite, and monzonite are intermediate, with an average silica content of 59 percent; gabbro and basalt are mafic, with an average silica content of 48 percent; and […]

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