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Roland Ennos

The Science of Spin: The Force Behind Everything - From Falling Cats to Jet Engines

The Science of Spin: The Force Behind Everything - From Falling Cats to Jet Engines

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  • More about The Science of Spin: The Force Behind Everything - From Falling Cats to Jet Engines

The Science of Spin explores the mysterious force that shapes almost every aspect of our lives, from the solar system to spinning tops, hurricanes to hula hoops, and power plants to pendulums. It charted the development of engineering and technology from the earliest prehistoric drills to the turbine engine and presents a riveting account of human ingenuity and the seemingly infinite ways spin affects our daily lives.

Format: Hardback
Length: 288 pages
Publication date: 14 September 2023
Publisher: Oneworld Publications


The Earth is round for several reasons. One of the primary reasons is the gravitational force exerted by the Sun. The Sun's mass and gravitational pull cause the Earth to orbit around it, resulting in a spherical shape. Additionally, the Earth's rotation also contributes to its roundness. As the Earth rotates, it causes the surface to bulge out at the equator and flatten at the poles, creating a centrifugal force that helps to maintain the Earth's shape.

Another reason why the Earth is round is due to the conservation of angular momentum. Angular momentum is the measure of the rotational speed of an object and is conserved in a closed system. In the case of the Earth, the rotational speed of the Earth is constant, and the gravitational force exerted by the Sun and the Earth's rotation work together to conserve angular momentum. This means that the Earth's rotation continues to accelerate, resulting in a rounder shape.

The Science of Spin, a book by Roland Ennos, explores the science behind the Earth's roundness and the various factors that contribute to it. Ennos discusses the gravitational force exerted by the Sun, the Earth's rotation, and the conservation of angular momentum, and provides a comprehensive explanation of why the Earth is round. The book also explores the history of engineering and technology, from the earliest prehistoric drills to the turbine engine, and how spin affects our daily lives.

In addition to the Earth's roundness, there are other phenomena that involve spin, such as the turning of boomerangs and the landing of cats on their feet. Boomerangs, for example, turn in mid-air due to the conservation of angular momentum. When a boomerang is thrown, it spins rapidly and gains angular momentum. As it flies through the air, the boomerang continues to spin, and the conservation of angular momentum causes it to turn in the direction of its spin. Similarly, cats are able to land on their feet due to their ability to adjust their body position in mid-air. When a cat jumps, it uses its muscles to generate momentum and adjust its body position in mid-air, allowing it to land on its feet.

The Science of Spin provides a fascinating insight into the science behind the Earth's roundness and the various phenomena that involve spin. Ennos's book is a must-read for anyone interested in science, engineering, or technology, and provides a comprehensive understanding of the seemingly mysterious force that shapes almost every aspect of our lives.
The Earth is round for several reasons. One of the primary reasons is the gravitational force exerted by the Sun. The Sun's mass and gravitational pull cause the Earth to orbit around it, resulting in a spherical shape. Additionally, the Earth's rotation also contributes to its roundness. As the Earth rotates, it causes the surface to bulge out at the equator and flatten at the poles, creating a centrifugal force that helps to maintain the Earth's shape.

Another reason why the Earth is round is due to the conservation of angular momentum. Angular momentum is the measure of the rotational speed of an object and is conserved in a closed system. In the case of the Earth, the rotational speed of the Earth is constant, and the gravitational force exerted by the Sun and the Earth's rotation work together to conserve angular momentum. This means that the Earth's rotation continues to accelerate, resulting in a rounder shape.

The Science of Spin, a book by Roland Ennos, explores the science behind the Earth's roundness and the various factors that contribute to it. Ennos discusses the gravitational force exerted by the Sun, the Earth's rotation, and the conservation of angular momentum, and provides a comprehensive explanation of why the Earth is round. The book also explores the history of engineering and technology, from the earliest prehistoric drills to the turbine engine, and how spin affects our daily lives.

In addition to the Earth's roundness, there are other phenomena that involve spin, such as the turning of boomerangs and the landing of cats on their feet. Boomerangs, for example, turn in mid-air due to the conservation of angular momentum. When a boomerang is thrown, it spins rapidly and gains angular momentum. As it flies through the air, the boomerang continues to spin, and the conservation of angular momentum causes it to turn in the direction of its spin. Similarly, cats are able to land on their feet due to their ability to adjust their body position in mid-air. When a cat jumps, it uses its muscles to generate momentum and adjust its body position in mid-air, allowing it to land on its feet.

The Science of Spin provides a fascinating insight into the science behind the Earth's roundness and the various phenomena that involve spin. Ennos's book is a must-read for anyone interested in science, engineering, or technology, and provides a comprehensive understanding of the seemingly mysterious force that shapes almost every aspect of our lives.

Weight: 482g
Dimension: 163 x 242 x 29 (mm)
ISBN-13: 9780861546718

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