24 Hours Of Culture

Did you know that the credit invented the phone back to the the scientist  Alexander Graham Bell.  On 2 June 1875,  Bill  was tested in Boston, the idea of sending several messages Telegraph on the same line at the same time. Was used Steel tubing. He worked with the receiving device in one room, while his assistant  Thomas Watson  runs a transmitter in the other room. Watson  picked up steel rod to make it oscillate, fired a ringing voice. Suddenly  Bill  hustling income, shouting to his friend  Watson : Do not change anything. What did you do then? Let me see. He found that a vibrating steel rod above the magnet has caused a strong current flows through a variety tape. This is what makes the Tube in Chamber  Bill  fluctuate and issued a ringing voice. The next day was made ​​the first telephone and voice votes can be identified via the first telephone line, which was top of the building down to two floors and was...

John Dalton  was an English chemist, physicist and meteorologist. He was the first man whose proposed atomic theory was accepted. Dalton is also known as discoverer of color blindness. In the research, on the properties of atmosphere and gases in 1803, he discovered  about atoms and their weights. It was published in 1805. Dalton  declared the six elements of the first table on the basis of relative atomic weights. It included hydrogen, oxygen, carbon, nitrogen, phosphorus and sulfur. He placed the hydrogen with atomic weight 1. However, he failed to confirm the reason for atomic weight. In September 1803, he found the relative weight of water, carbon dioxide and ammonia and also discovered the symbol representing the element. In 1803,  Dalton  gave a lecture in London regarding the relative weight of elements. He said that an atom was the smallest particle of any element and it cannot be destroyed. Atoms of the same element are similar in weight an...