Papers 511-520 of total 3876 found.
…ASTRONOMY “A New Black Hole” “Scientific American” September 13, 2000 Evidence that the heavens house a previously unknown type of black hole was reported by scientists yesterday. Data from NASA’s Chandra X-Ray Observatory revealed a hole…
Details: Words: 563 | Pages: 2.0 (approximately 235 words/page)
Category: /Literature/English
…, Bud Turpin has a heart attack and dies. Marguerite Althorns, Bud’s sister was the first to be notified about his death. Marguerite a religious fanatic, forces her jobless son Royce to go to the funeral. Bud’s oldest son Ray-Bud was very un-sympathetic…
Details: Words: 591 | Pages: 2.0 (approximately 235 words/page)
…away from his problems anymore, he wants his parents and him to faced the problems they are having together. Jim wanted his father to learn how to stand up for himself. Ray Stark (Jim Backus), Jim’s father, does not have respect from his son and Jim’s…
Details: Words: 504 | Pages: 2.0 (approximately 235 words/page)
Category: /Literature/English
…telescopes, televisions, and radio antennas. Car headlights for example, light rays are reflected from the focus in parallel rays. All of the light is aimed at one spot thus giving you a bright light to drive with. A dish has the optimum parabolic reflection…
Details: Words: 527 | Pages: 2.0 (approximately 235 words/page)
…A hydrogen fuel leak, which could have caused an engine shutdown, costly delays on the launching pad, and a year of technical difficulties didn’t stop the successful launch of the $1.5 billion Chandra X-Ray Observatory on the Space Shuttle Columbia…
Details: Words: 493 | Pages: 2.0 (approximately 235 words/page)
…. If a medium is dense it causes the light wave to bend toward the normal. In optical fibres, light rays are refracted so that when they hit the boundary between different optical densities, the light is at a certain angle, causing total internal reflection…
Details: Words: 533 | Pages: 2.0 (approximately 235 words/page)
…with Sir J.J Thomson at the Cavendish Laboratory at Cambridge University. In 1897 he showed that the radiation emitted by uranium differs from X rays and is composed of two distinct types, which he named alpha and beta rays. Working at McGill University…
Details: Words: 695 | Pages: 3.0 (approximately 235 words/page)
…used in x-ray diagnostic and as a medical cocktail. People drink the powder form of the element and it covers the inside of the stomach so that it can be detected during an x-ray. Barium sulfate (BaSO4) is used as a filter for rubber, plastics, and resins…
Details: Words: 584 | Pages: 2.0 (approximately 235 words/page)
…instruments, some of which have been placed on unmanned Earth-orbiting satellite observatories. These instruments are sensitive to a wide range of wavelengths of electromagnetic radiation, including the gamma-ray, X-ray, ultraviolet, infrared, and radio regions…
Details: Words: 696 | Pages: 3.0 (approximately 235 words/page)
…or fuel.         Years ago doctors used X-rays to see the insides of humans. X-ray's were most helpful in finding broken bones. These machines were an incredible break through years ago. Today X-ray machines are hardly ever used. Today we use…
Details: Words: 546 | Pages: 2.0 (approximately 235 words/page)