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Topic Review
Biography
Topic Review
Infrared Based Techniques in Microfluidic Applications
A body at a temperature around ambient values emits electromagnetic radiation in the infrared (IR) band of the electromagnetic spectrum, i.e., with a wavelength from 700 nm to 1 mm. Infrared spectroscopy (IR spectroscopy) is the spectroscopy that deals with the infrared region of the electromagnetic spectrum, that is light with a longer wavelength and lower frequency than visible light. It covers a range of techniques and can be used in microfluidic applications.
405
01 Dec 2022
Topic Review
Livery
A livery /ˈlɪvəri/ is a uniform, insignia or symbol adorning, in a non-military context, a person, an object or a vehicle that denotes a relationship between the wearer of the livery and an individual or corporate body. Often, elements of the heraldry relating to the individual or corporate body feature in the livery. Alternatively, some kind of a personal emblem or badge, or a distinctive colour, is featured. The word itself derives from the French livrée, meaning dispensed, handed over. Most often it would indicate that the wearer of the livery was a servant, dependant, follower or friend of the owner of the livery, or, in the case of objects, that the object belonged to them. In the late medieval phenomenon of bastard feudalism, livery badges worn by the "retainers" of great lords, sometimes in effect private armies, became a great political concern in England.
3.7K
01 Dec 2022
Biography
Dora Dougherty Strother
Dr. Dora Jean Dougherty Strother (also known as Dora Dougherty McKeown and/or Dora Strother McKeown; November 27, 1921 – November 19, 2013),[1][2] was best known as a Woman Airforce Service Pilots (WASP) and B-29 Superfortress demonstration pilot. She was a U.S. military pilot, human factors engineer with Bell Aircraft, instructor at the University of Illinois and helicopter test pilot for Bel
663
01 Dec 2022
Topic Review
Amsterdam
(VOC Ship)
The Amsterdam (Dutch pronunciation: [ˌɑmstərˈdɑm] (listen)) was an 18th-century cargo ship of the Dutch East India Company (Dutch: Vereenigde Oost-Indische Compagnie; VOC). The VOC was established in 1602. The ship started its maiden voyage from Texel to Batavia on 8 January 1749, but was wrecked in a storm on the English Channel on 26 January 1749. The shipwreck was discovered in 1969 in the bay of Bulverhythe, near Hastings on the English south coast, and is sometimes visible during low tides. The wreck site is protected under the Protection of Wrecks Act since 1974. Some of the findings from the site are in The Shipwreck Museum in Hastings. A replica of the ship is on display in Amsterdam.
1.2K
01 Dec 2022
Topic Review
Idiot Light
An idiot light, sometimes "tell-tale" or "warning light", is an indicator of malfunction of a system, indicated by a binary (on/off) illuminated light, symbol or text legend. The "idiot light" terminology arises from popular frustration with automakers' use of lights for crucial functions which could previously be monitored by gauges, so a troublesome condition could be detected and corrected early. Such early detection of problems with, for example, engine temperature or oil pressure or charging system operation is not possible via an idiot light, which lights only when a fault has already occurred – thus providing no advance warnings or details of the malfunction's extent. The Hudson automobile company was the first to use lights instead of gauges for oil pressure and the voltmeter, starting in the mid-1930s.
447
01 Dec 2022
Biography
Ami Argand
François-Pierre-Amédée Argand, known as Ami Argand (5 July 1750 – 14[1] or 24 October 1803[2]) was a Genevan physicist and chemist. He invented the Argand lamp, a great improvement on the traditional oil lamp.[3] Francois-Pierre-Amédée Argand was born in Geneva, Switzerland, the ninth of ten children. His father was a watchmaker, who intended for him to enter the clergy. However, he ha
477
01 Dec 2022
Biography
Daniel M. Fleetwood
Daniel M. Fleetwood (born August 3, 1958) is an American scientist, inventor, engineer and innovator. He is credited as being one of the first to identify the origins of flicker noise in semiconductor devices and its usefulness in understanding the effects of ionizing radiation on microelectronic devices and materials. Fleetwood is the Olin H. Landreth Chair of the Electrical Engineering and Co
531
01 Dec 2022
Topic Review
Railway Nationalization
Railway nationalization is the act of taking rail transport assets into public ownership. Several countries have at different times nationalized part or all of their railway system. More recently, the international trend has been towards privatization. In some areas, notably Great Britain, resultant problems with track maintenance have led back to a more mixed solution, with a nationalised infrastructure operator but privately run train operating companies. National characteristics influenced the structures under which countries' rail networks developed. Some national railways were always under direct State management, some were State-planned but privately operated (as in France, others were wholly private enterprises lightly regulated (as in Great Britain, Ireland and Spain). Nationalization was therefore a bolder step to take in some countries than in others. While ideology has played a role, so too has the need for systematic reconstruction of vital infrastructure devastated by war, often following a period of State control over private companies initiated during the conflict.
3.3K
01 Dec 2022
Topic Review
Tiva-C LaunchPad
The Tiva-C (a.k.a. TM4C) LaunchPads are inexpensive self-contained, single-board microcontrollers, about the size of a credit card, featuring an ARM Cortex-M4F 32-bit CPU operating at 80 to 120 MHz, manufactured by Texas Instruments. The TM4C Series TM4C123G LaunchPad is an upgrade from TI's Stellaris LaunchPad adding support options for motion control PWMs and USB Host functionality. The more recently released TM4C1294 Connected LaunchPad is the first cloud-connected offering in TI's LaunchPad ecosystem and provides a solid foundation for beginning and evaluating embedded IoT designs. There are many I/O pins (40 to 80 depending upon version) that have multi-personality. This means that they can be easily configured as digital inputs or outputs, analog inputs and outputs or other functions, allowing a great variety of applications, are just the multiple serial ports have the ability to interface with more items such as test cards or other communication modules, etc. Among those pins there are included the GND and POWER (3.3 V) pins. The clock is 80 or 120 MHz (vers based), which makes them 5 to over 7 times faster than the Arduino Uno's 16 MHz ATmega328P microcontroller. As with any Cortex M4, the CPU has some DSP (digital signal processor) instructions, with some limitations. One can do signal processing, for example, sampling a human voice with a good quality, able to be processed in MATLAB. The CPU contains the optional floating-point unit with single-precision floating point operations supported. They have an additional USB port which can act as USB host, allowing the connection of multiple devices and the "Connected" one has an integrated 10/100 Ethernet MAC+PHY for Internet connectivity. They also have a temperature sensor and on-board LED(s) and RGB LED(s), which allows you to generate various colors by combining the three basic colors (red, blue and green) of the additive color synthesis. The Tiva/TM4C LaunchPads come preloaded with software to demonstrate many of the capabilities of the ARM microcontroller and with a quickstart application to get up and running within minutes.
1.1K
01 Dec 2022
Topic Review
New Energy Vehicles in China
This article will talk about the market of new energy vehicles in China and why the government supports it.The stock of new energy vehicles in China is the world's largest, with cumulative sales of 5.5 million units through December 2020. These figures include passenger cars and heavy-duty commercial vehicles such buses and sanitation trucks, and only accounts for vehicles manufactured in the country. Of these, there were 4.9 million new energy vehicles in use at the end of 2020, accounting for 1.75% of all vehicles in circulation in China. The Chinese government uses the term new energy vehicles (NEVs) to designate plug-in electric vehicles eligible for public subsidies, and includes only battery electric vehicles (BEVs), plug-in hybrid electric vehicles (PHEVs) and fuel cell electric vehicles (FCEV). Sales of new energy vehicles since 2011 passed the 500,000 unit milestone in March 2016, and the 1 million mark in early 2017, both, excluding imports. Cumulative sales of new energy passenger cars achieved the 500,000 unit milestone in September 2016, and 1 million by the end of 2017. Domestically produced passenger cars account for 96% of new energy car sales in China. (As of December 2020), China had the largest stock of highway legal plug-in passenger cars with over 4.5 million units, 42% of the global plug-in car fleet in use. China also dominates the plug-in light commercial vehicle and electric bus deployment, with its stock reaching over 500,000 buses in 2019, 98% of the global stock, and 247,500 electric light commercial vehicles, 65% of the global fleet. In addition, the country also leads sales of medium- and heavy duty electric trucks, with over 12,000 trucks sold, and nearly all battery electric. China has been the world's best-selling plug-in electric passenger car market for five years running, from 2015 to 2019, with annual sales rising from more than 207,000 plug-in passenger cars in 2015, to 579,000 in 2017, and just over million units both in 2018 and 2019. A particular feature of the Chinese passenger plug-in market is the dominance of small entry level vehicles, in 2015 representing 87% of total pure electric car sales, while 96% of total plug-in hybrid car sales were in the compact segment. BYD Auto ended 2015 as the world's best selling manufacturer of highway legal light-duty plug-in electric vehicles, and for a second year running was the world's top selling plug-in car manufacturer with over 100,000 units delivered in 2016. During 2016 BYD became the world's all-time second largest plug-in electric passenger car manufacturer after the Renault-Nissan Alliance. The BYD Qin was the top selling new energy passenger car for two years in a row, 2014 and 2015. The BYD Tang was the best selling plug-in passenger car in 2016. Until December 2016, the Qin ranked as the all-time top selling plug-in electric car in the country with 68,655 units sold since its inception. The BAIC EC-Series all-electric city car was the top selling plug-in car in 2017, and with 78,079 units sold, it also listed as world's top selling plug-in car in 2017. The government's political support for the adoption of electric vehicles has four goals, to create a world-leading industry that would produce jobs and exports; energy security to reduce its oil dependence which comes from the Middle East; to reduce urban air pollution; and to reduce its carbon emissions. In June 2012 the State Council of China published a plan to develop the domestic energy-saving and new energy vehicle industry. The plan set a sales target of 500,000 new energy vehicles by 2015 and 5 million by 2020. As sales of new energy vehicles were slower than expected, in September 2013, the central government introduced a subsidy scheme providing a maximum of US$9,800 toward the purchase of an all-electric passenger vehicle and up to US$81,600 for an electric bus.
5.5K
01 Dec 2022
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