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themselves, the following experimental setting is proposed: 1. A stick made of hardwood is pressed onto a base made of wood, and is reciprocated between the palms as quickly as possible. After a certain

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• The hard work of experimenting James Prescott Joule, William Thomson, and the mechanical equivalent of heat.

She smiled when she noticed that she didn’t hear a different sound: The rain wasn’t pouring down onto the roof any longer, it had finally stopped and she would be going on the trip that her stepfather

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• Sybilla Merian and Cocoons

She smiled when she noticed that she didn’t hear a different sound: The rain wasn’t pouring down onto the roof any longer, it had finally stopped and she would be going on the trip that her stepfather

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• Sybilla Merian and Cocoons

themselves, the following experimental setting is proposed: 1. A stick made of hardwood is pressed onto a base made of wood, and is reciprocated between the palms as quickly as possible. After a certain

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• Scientific Partnership; James Prescott Joule, William Thomson, and the mechanical equivalent of heat.

org Justus von Liebig’ s life-saving extract Sunlight was sipping through the tall window, falling onto the book held by a man with an oval face. White hair surrounded his friendly face, focused on the

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• Liebig and nutrition

org Justus von Liebig’ s life-saving extract Sunlight was sipping through the tall window, falling onto the book held by a man with an oval face. White hair surrounded his friendly face, focused on the

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• Liebig and nutrition

them to fall apart. Solid objects, on the other hand, were made of rough, cogged atoms able to hook onto each other. Much like he did with the three states of matter, Democritus used the concept of atoms

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• Democritus and the atoms

them to fall apart. Solid objects, on the other hand, were made of rough, cogged atoms able to hook onto each other. Much like he did with the three states of matter, Democritus used the concept of atoms

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• Democritus and the atoms

practical…. On the other hand, what if I put a mirror on the out- side to reflect more of the sun’s rays onto the ab- sorber? That way I could make the device smaller.” Soon, Augustin had completed the construc-

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• Mouchot and the solar cooker

managed to find suitable places to observe the lecture. Professor Georg Christoph Lichtenberg walked onto the platform, because of his height, and he started stately: ‘during today’s lecture we will find

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• Lichtenberg and the electrophorus