Category: Science - Physics
Identity of Lightning and Electricity--Franklin’s Experiment--Fatal Experiment of Richman--Immediate Cause of Lightning--Illustration from Electric Spark--What a Flash of Lightning Is--Duration of a Flash of Lightning--Experiments of Professor Rood--Wheatstone’s Experiments--E...
Identity of Lightning and Electricity--Franklin’s Experiment--Fatal Experiment of Richman--Immediate Cause of Lightning--Illustration from Electric Spark--What a Flash of Lightn...
2. Part 2I mentioned just now that an impression made on the retina lasts for the tenth of a second after the cause of it has been removed. Now, when this disk is in rotation, the sector...
3. Part 3To understand why the sound of thunder reaches the ear as a prolonged peal, we have only to remember that sound takes time to travel. Since a flash of lightning is practically i...
4. Part 4=Destruction of Ships at Sea.=--The destructive effects of lightning on ships at sea, before the general adoption of lightning conductors, seems almost incredible at the present...
5. Part 5It was on this occasion that arose the celebrated controversy about the respective merits of points and balls. Franklin had recommended a pointed conductor; but some members of...
6. Part 6=Personal Safety in a Thunderstorm.=--I suppose there is hardly any one to whom the question has not occurred, at some time or another, what he had best do to secure his persona...
7. Part 7=The Effect of Self-Induction.=--When an electric discharge begins to pass through a conductor, a momentary back electro-motive force is developed in the conductor, which obstru...