Thomas Alva Edison Many people have heard of Thomas Alva Edison. He created or modified many of the inventions that we use today such as the light bulb‚ phonograph‚ and even motion picture development. He has accumulated so many achievements not only for himself but also for the world as we know it. However‚ many people do not know that he was in fact very hard of hearing. Thomas Alva Edison was born February 11‚ 1847 in Milan‚ Ohio to Samuel and Nancy Edison. He was the youngest out of seven
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http://literoflightswitzerland.org/idea.php?l=en How It Works The plastic bottle is filled with only water and bleach. The liquid inside the bottle harnesses the light from the sun‚ capturing and diffracting the light to all parts of the room. It is equivalent to a 55 watt light bulb. [pic] [pic] What ’s the Technology It consists of a 1.5l PET bottle filled with purified water and bleach (10 ml). A special glue is used to bond and seal the bottle to the roof. Adding the bleach to the water
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Thomas Edison and Nikola Tesla Both men were great inventors of their time and made many inventions. Tesla made the first AC motors and Edison made the first DC motors. Edison made the first incandescent light bulbs and Tesla made the first fluorescent light bulbs. Both men lived well past their 80’s. What many people didn’t know is that they were rivals. Edison had a rival in the race to develop electricity. His name was George Westinghouse‚ and he was very interested in alternating current
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making it battery powered. He then invented a lampback out of graphite and it made the signal clearer. Then the Western Union paid Edison $100‚000! During that time Edison invented the phonograph. In 1879‚ he invented the incandescent light bulb. Edison invented the light bulb and a lighting system for New York. In 1844‚ Mary died from Typhoid fever and 2 years later Edison married Mina Miller. Alexander Bell offered to join Edison‚ but he became enraged because he invented the phonograph. This
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Lighting LED is short for Light Emitting Diode‚ which is a semiconductor lighting material. It was firstly introduced as an applicable electronic element in 1962. The early versions of LED could only emit low-intensity light‚ whereas the modern ones are proved to be able to deliver light with incredible brightness. Except for the conventional semiconductor light emitting diodes‚ there are other two advanced LED products‚ the organic light emitting diodes (OLED) and the polymer light emitting diodes
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Essay on Global Warming Introduction : Global warming is the term used to describe a gradual increase in the average temperature of the Earth’s atmosphere and its oceans‚ a change that is believed to be permanently changing the Earth’s climate. Even though it is an ongoing debate‚ it is proved by the scientists that the planet is warming. Global warming is affecting the nature’s balance and has a huge impact on life like continued heat waves‚ and sudden occurrence of storms
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4 Question 1 1 out of 1 points If you have a light source without a lense‚ such as a candle‚ the amount of light you would receive Selected Answer: decreases with distance Question 2 1 out of 1 points What would it require to have Superman’s X-ray vision? Selected Answer: all of the above Activity 5 Question 1 1 out of 1 points When looking at a bright incandescent light bulb (household bulb) what kind of a spectrum did you see through your spectrometer
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by Thomas Edison one of the inventors of the light bulb. There was also two other people that invented the light bulb but don’t always get credited for it. Those people were Hiram maxim and joseph swan. Thomas Edison probably got more of the recognition for inventing the light bulb because he was more known and he made many more inventions than the other two did. So‚ Thomas Edison had made more of a name of himself in the invention world. The light bulb was one of the greatest inventions because it
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Your electric bill is based off the amount of energy used in a certain period of time. I then found a specific light in my home that we use the most (13hr)‚ and calculated the amount energy it would use yearly. I compared our light to a more energy efficient light bulb‚ and found astonishing results. |Household Incandescent Light Bulb |EcoSmart Light Bulb | |60W 120V .5A
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are a major portion of a building’s load power‚ quality may suffer. In fact‚ the poor power factor and/or high harmonics might limit the use of CFLs as an efficacious replacement for the incandescent lamp. Although the CFL lamps are generally cost effective‚ their high initial cost compared with the incandescent lamp has limited their acceptance. Thus‚ manufacturers have introduced the simplest ballast (magnetic and electronic) designs. These low-cost designs employ neither power factor corrections
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