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Joule used very sensitive thermometers to measure the temperature of water being churned by an assembly of revolving vanes driven by descending weights: this arrangement made it possible to measure fairly accurately the mechanical energy invested in the churning process. In 1847 Joule’s painstaking experiments yielded a result that turned out be within less than one per cent of the actual value. The law of conservation of energy – that energy can be neither created nor destroyed – is now commonly known as the first law of thermodynamics.

Energy

Vaclav Smil

If by ‘free will’ you mean the freedom to do what you desire – then yes, humans have free will. But if by ‘free will’ you mean the freedom to choose what to desire – then no, humans have no free will.

21 Lessons for the 21st Century

Yuval Noah Harari

Perception is reality. It’s not about how much you increase your prospect’s likelihood of success, or decrease the time delay to achievement, or decrease their effort and sacrifice. That in itself is not valuable. Many times, they will have no idea. The Grand Slam Offer only becomes valuable once the prospect perceives the increase in likelihood of achievement, perceives the decrease in time delay, and perceives the decrease in effort and sacrifice.

$100M Offers

Alex Hormozi

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