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30

It's doubtful that this is an entirely accurate depiction because the vertical rotisserie depicted (no matter how powered) apparently was only invented in the 19th century, or at least we don't have evidence before.      On the other hand, that method of transmission is more like a steam turbine... and amusingly "In 1551, Taqi al-Din in Ottoman Egypt ...


12

No, absolutely not! Heroin was not 'developed as a morphine addiction cure.' One can say that it was trademarked by Bayer and then tested and marketed as a safe alternative for morphine or codeine, in respiratory illnesses. But when it came to market, there was not a shred of a hint pointing towards Heroin being anything like a cure for morphinism. Whether ...


5

The claim from the video: The claim seems to mostly true, if you look at what Bayer intended to produce rather than what they did produce. Bayer wanted a process to make codeine, which was used to treat respiratory diseases and as a less addictive alternative to morphine. The idea was to prevent morphine addiction rather than to cure it. Long version: ...


5

Steam machines existed long before the industrial revolution. Quote from Wikipedia: 1st century AD – Hero of Alexandria describes the Aeolipile, as an example of the power of heated air or water. The device consists of a rotating ball spun by steam jets; it produced little power and had no practical application, but is nevertheless the first known device ...


5

I haven't found any evidence that a half castration was ever performed for this purpose. But it is an ancient belief that right testicle semen produces boys, and the left produces girls. Aristotle attributed the idea to "Anaxagoras and certain other physiologers". However, the theory that the sex of the child is determined by where the semen lands ...


2

I can't find the primary reference easily, but numerous sites attribute the idea to an 18th century French book which (in English) is titled "The Art of Boys." Wikipedia provides a formal reference: Michel Procope-Couteaux, L'art de faire des garçons, 1770, p. 129. I have found no indication that this advice was actually followed. The 1750 edition ...


1

To add my 2 cents: More than one of the scholars have narrated that there is consensus that the Earth is round. For example: Shaykh al-Islam Ibn Taymiyah (may Allah have mercy on him)[a 13th century Islamic scholar - my note] narrated that from Abu’l-Husayn ibn al-Munaadi (may Allah have mercy on him), when he said: Imam Abu’l-Husayn Ahmad ibn Ja‘far ibn ...


1

Aryabhata (476-550 AD), an Indian mathematician and astronomer, in his Aryabhatiyam used the word "Bhoo Gola (भूगोल​)" to refer to the Earth in which the word "भू (Bhoo)" means the earth and "गोल​ (Gola)" means a sphere or the globe. In the introduction of the book, source[1] mentions that The "गोलपाद (Gola Paada)" ...


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