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Telegrams, phones, letters, Morse Code, courier's, messengers, drawings/painting's, radios, signal flags, & carrier pigeons.

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What was invented between 1901 and 1920 need alot for homework at least 50?

Between 1901 and 1920, numerous significant inventions emerged, including the airplane by the Wright brothers in 1903, the radio by Guglielmo Marconi in 1901, and the assembly line by Henry Ford in 1913. Other notable inventions include the first practical use of the vacuum cleaner, the development of the motion picture camera, and the introduction of the insulin therapy for diabetes in 1922. Additionally, the invention of the modern traffic light in 1914 and the use of the first electric refrigerator in 1918 were pivotal advancements during this period. These innovations greatly influenced technology, transportation, and everyday life.


Can someone get me these OCR Gateway Science past papers?

The one for Chemistry, Biology and Physics, January 2013 in both Unit1 and Unit 2 higher please? Can you get the History Unit 1 (International Relations, with german depth study) and 2 (with british depth study 1890-1918) for Jan 2013 as well please. Thank you!!


Did Thomas Edison have Grandchildren?

Yes, Edison did have grandchildren. In fact he had four, all from his fourth daughter Madeleine. She married John Eyre Sloan with whom she had four children with, (Edison's grandchildren.) They were Teddy Sloane, March 4th, 1916; John Edison Sloane, April 21rst, 1918; Peter Edison Sloane, March 2nd, 1923; and Michale Edison Sloane, January 8th, 1931. Michael died in mountain climbing accident


What did Maxwell Planck do?

Max Planck (23 April 1858 - 4 October 1947) was a German-born physicist. He is best known for having originated quantum theory. (along with A.Einstein)Planck won the Nobel Prize for Physics in 1918, and his quantum theory profoundly changed the world of physics. Links are provided.


How tall is the tallest man in feet and inches?

Robert Pershing Wadlow the world's tallest man was 272 centimeters (8 feet 11 inches). Robert was born in 1918 and lived 22 years until he died from an infected blister in 1940. Born normal, his growth was attributed to a tumor within his pituitary gland which caused him to continue growing until his death. More information can be found by going to the link on the right side of the page.