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Topic Review
Biography
Biography
Frederick Terman
Frederick Emmons Terman (/ˈtɜːrmən/; June 7, 1900 – December 19, 1982) was an American professor and academic administrator. He is widely credited (together with William Shockley) as being the father of Silicon Valley.[1] Terman completed his undergraduate degree in chemistry and his master's degree in electrical engineering at Stanford University.[2] His father, Lewis Terman, a psychol
730
23 Nov 2022
Topic Review
Sakia
A saqia, alternative spelling sakieh, saqia or saqiya (from Arabic: ساقية, sāqiyah), also called Persian wheel, tablia, rehat, and in Latin tympanum is a mechanical water lifting device, similar in function to a scoop wheel, which uses buckets, jars, or scoops fastened either directly to a vertical wheel, or to an endless belt activated by such a wheel. The vertical wheel is itself attached by a drive shaft to a horizontal wheel, which is traditionally set in motion by animal power (oxen, donkeys, etc.) Because it is not using the power of flowing water, the sakia is different from a noria and any other type of water-wheel. It is still used in India , Egypt and other parts of the Middle East, and in the Iberian Peninsula and the Balearic Islands. It may have been invented in Hellenistic Egypt, Persia or India . The sakia was mainly used for irrigation, but not exclusively, as the example of Qusayr Amra shows, where it was used at least in part to provide water for a royal bathhouse.
1.4K
23 Nov 2022
Topic Review
Wreckage (Transformers)
Wreckage is the name of three fictional characters from the Transformers series.
443
23 Nov 2022
Biography
Walter Cunningham
Ronnie Walter Cunningham (born March 16, 1932), (Col, USMCR, Ret.) is a retired American astronaut. In 1968, he was a Lunar Module Pilot on the Apollo 7 mission. He was NASA's third civilian astronaut (after Neil Armstrong and Elliot See), and has also been a fighter pilot, physicist, entrepreneur, venture capitalist, and author of The All-American Boys. Cunningham was born in Creston, Iowa
592
23 Nov 2022
Topic Review
Breguet 19
The Breguet 19 (Breguet XIX, Br.19 or Bre.19) was a light bomber and reconnaissance aircraft, also used for long-distance flights, designed by the French Breguet company and produced from 1924.
895
23 Nov 2022
Topic Review
Yard Ramp
A yard ramp, sometimes called mobile yard ramp or container ramp, is a movable metal ramp for loading and unloading of shipping containers and vehicle trailers, without the need for permanent docking bays. A yard ramp is placed at the back of a vehicle to provide access for forklifts to ascend the ramp, quickly and safely into the container or truck body. Using a yard ramp for container loading or unloading allows the work to be carried out by a single forklift operator. Businesses handling only one or two loads per day normally find that a yard ramp is more cost effective than a permanent loading dock.
409
23 Nov 2022
Biography
Robert Kearns
Robert William Kearns PhD (March 10, 1927 – February 9, 2005) was an American engineer, educator and inventor who invented the intermittent windshield wiper systems used on most automobiles from 1969 to the present. His first patent for the invention was filed on December 1, 1964. Kearns won one of the best known patent infringement cases against Ford Motor Company (1978–1990) and a case a
2.3K
23 Nov 2022
Topic Review
Insulation System and Aging Phenomenon
The insulating system of the windings of electrical machines is multi-layer and consists of coil and main (slot) insulation. The thickness of the insulation is selected with a margin so that its durability to breakdown is greater than the existing voltage.
1.4K
23 Nov 2022
Topic Review
Neuroprotection and Non-Invasive Brain Stimulation
Non-Invasive Brain Stimulation (NIBS) techniques, such as transcranial Direct Current Stimulation (tDCS) and repetitive Magnetic Transcranial Stimulation (rTMS), are well-known non-pharmacological approaches to improve both motor and non-motor symptoms in patients with neurodegenerative disorders. Their use is of particular interest especially for the treatment of cognitive impairment in Alzheimer’s Disease (AD), as well as axial disturbances in Parkinson’s (PD), where conventional pharmacological therapies show very mild and short-lasting effects. However, their ability to interfere with disease progression over time is not well understood; recent evidence suggests that NIBS may have a neuroprotective effect, thus slowing disease progression and modulating the aggregation state of pathological proteins.
680
23 Nov 2022
Topic Review
Additive Manufacturing of Magnesium-Based Alloys through Laser-Based Approach
Magnesium alloys continue to be important in the context of modern and lightweight technologies. The increased use of Mg each year indicates a rise in demand for alloys containing Mg. With additive manufacturing (AM), components can be produced directly in a net shape, providing new ideas relating to the new prospects for Mg-based materials.
1.2K
23 Nov 2022
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