The Great Pyramid of Giza is the oldest and the largest pyramid in Egypt. It was built for the Pharaoh Khufu (Cheops in Greek) and took 20 years to complete. The length of each side at the base averages 755.75 feet (230 metres). Its original height was 481.4 feet (147 metres) and present height is …
The bar code was invented by Joseph Woodland and Bernard Silver in 1948. It was designed as a ‘bulls eye’ symbol comprising concentric circles. The initial idea of the bar code was to use it as a method for classifying grocery products. In 1970 a standard was set for all products and the Universal Grocery Products …
John Fitzgerald Kennedy was the 35th President of the United States of America. At 43 he became one of the youngest Presidents of the USA. He is the only US President to have won the prestigious Pulitzer Prize. The notable events during his tenure were the Cuban missile crisis, building of Berlin War and the beginning of …
Tea bricks are made by compressing tea leaves of the black tea, ground tea or fermented variety. Because of its high value, tea bricks were used as currency in the late 19th and the 20th century in China and Tibet. Special tea bricks were made with ground tea leaves that were bound with flour or …
Peanuts is a popular comics strip created by Charles M. Schulz. One of the main characters, Snoopy, a beagle, is the official mascot for the US astronauts. On January 27, 1967, the launch test for the Apollo 1 mission went wrong when the crew cabin caught fire killing all three astronauts onboard. The Apollo Program was rebuilt with …
In 1920, Meghnad Saha discovered his ionization formula (Saha Ionization Equation). In 1924, Satyendra Nath Bose found his photon derivation of Planck’s Law (Bose Statistics). In 1928, Chandrasekhara Venkata Raman discovered the Raman Effect. In 1930, Subrahmanyan Chandrasekhar predicted the Chandrasekhar Limit. Together they contributed to the golden era of Indian physics.
