Cancer – Physical – Throat: ATOMIC

In 1808, the English chemist J. Dalton (1766-1844) formulated his famous atomic theory. In it he broke with traditional ideas and postulated that matter is made up of atoms. From that moment on, a period of chemistry and physics began, full of astonishing experimental evidence without theoretical foundation. The concept of the atom as an indivisible material particle was successfully maintained for almost a century since the technology of the time did not allow other possibilities. However, electricity and electrochemistry, which were studied in depth by Ampére and Faraday, suggested an intimate relationship between matter and electric charges.

Natural radioactivity, discovered by chance in 1896 by the French physicist Henri A. Becquerel (1852-1908), led to the knowledge of three kinds of particles: alpha rays, positively charged, beta rays, negatively charged particles, and a third type, uncharged and immaterial in nature, gamma rays. All this suggested that atoms must not be the indivisible particle they were thought to be. The discovery of subatomic particles really began when the discharge tube was imposed as a tool for research into the nature of matter. Thus, the end of the 19th century marked the beginning of a three-decade period defined by enormous changes that shaped the chemistry of our days.

The atomic model evolved, from its birth until the historical moment we have studied, from empirical modifications aimed at mathematically reproducing experimental results. In fact, until then there was no theoretical foundation to explain them and, therefore, a true atomic model was lacking. The answer to these enigmas came with quantum mechanics, and the wave-corpuscle duality principle and the uncertainty principle were decisive for its development.

I invite everyone to read Matias’ post with the topic of the day.

Finally, I encourage everyone to reflect on the concept of the day. No one else but us can re-signify our own being

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