generation was told we would achieve it in next 20 years. The professors in 1950s told their students so. When these students became professors in 1970s they told their students so again. When students of 1970s became professors in 1990s they told their students so again... Today a lot professors still are saying we can achieve fusion power in next 20 years. They may be right, they may be wrong just like their predecessors. But fusion power, seems very straightforward and very achievable, actually is full of tricks and has been fooling us for almost 70 years.
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