deblau writes: "In 2006 Thiago Olson joined the extremely sparse ranks of amateurs worldwide who have achieved nuclear fusion with a home apparatus. In other words, he built the business end of a hydrogen bomb in his basement. A bright plasma "star in a jar" demonstrated his success. "The temperature of the plasma is around 200 million degrees," Olson says modestly, "several times hotter than the core of the sun.""
"Necessity is the mother of invention" is a silly proverb. "Necessity
is the mother of futile dodges" is much nearer the truth.
-- Alfred North Whitehead