 | The topic of this article may not meet Wikipedia's general notability guideline .(August 2020) (Learn how and when to remove this template message) |
The Portable Commutator was a telecommunications device that was used by the military during World War I. It was manufactured by Northern Electric Company. [1] It was used as a one-wire telegraphic switchboard. [2]
2021 (MMXXI) is the current year, and is a common year starting on Friday of the Gregorian calendar, the 2021st year of the Common Era (CE) and Anno Domini (AD) designations, the 21st year of the 3rd millennium, the 21st year of the 21st century, and the 2nd year of the 2020s decade.
Nancy Patricia Pelosi is an American politician serving as Speaker of the United States House of Representatives since 2019, and previously from 2007 to 2011. She has served as a U.S. representative from California since 1987. A member of the Democratic Party, Pelosi is the only woman in U.S. history to serve as speaker and is the second-highest-ranking female elected official, after Vice President Kamala Harris. She is second in the presidential line of succession, after Harris.
Elon Reeve Musk is a business magnate, industrial designer, and engineer. He is the founder, CEO, CTO, and chief designer of SpaceX; early investor, CEO, and product architect of Tesla, Inc.; founder of The Boring Company; co-founder of Neuralink; and co-founder and initial co-chairman of OpenAI. A centibillionaire, Musk is one of the richest people in the world.
Parler is an American alt-tech microblogging and social networking service. It has a significant user base of Donald Trump supporters, conservatives, conspiracy theorists, and far-right extremists. Posts on the service often contain far-right content, antisemitism, and conspiracy theories such as QAnon. Journalists have described Parler as an alternative to Twitter, and users include those banned from mainstream social networks or opposing their moderation policies.
Ingenuity, nicknamed Ginny, is a robotic rotorcraft that is planned to be used to test the technology to scout targets of interest on Mars, and help plan the best driving route for future Mars rovers. The small drone helicopter is planned for deployment about 60 days after the landing of the Perseverance rover on 18 February 2021 as part of the NASA Mars 2020 mission.
Jojo Rabbit is a 2019 comedy-drama film written and directed by Taika Waititi, adapted from Christine Leunens's 2008 book Caging Skies. Roman Griffin Davis portrays the title character, Johannes "Jojo" Betzler, a ten-year-old Hitler Youth member who finds out that his mother is hiding a Jewish girl in their attic. He must then question his beliefs, while dealing with the intervention of his imaginary friend (Waititi), a fanciful version of Adolf Hitler with a comedic stand on the politics of the war. The film also stars Archie Yates, Rebel Wilson, Stephen Merchant, Alfie Allen, and Sam Rockwell.
WandaVision is an American television miniseries created by Jac Schaeffer for the streaming service Disney+, based on the Marvel Comics characters Wanda Maximoff / Scarlet Witch and Vision. Set in the Marvel Cinematic Universe (MCU), it shares continuity with the films of the franchise, and takes place after the events of the film Avengers: Endgame (2019). WandaVision is produced by Marvel Studios, with Schaeffer serving as head writer and Matt Shakman directing.
Bridgerton is an American streaming television period drama series created by Chris Van Dusen and produced by Shonda Rhimes. It is based on Julia Quinn's novels set in the competitive world of Regency era London's ton during the season, when debutantes are presented at court.
The Eurovision Song Contest 2021 is set to be the 65th edition of the Eurovision Song Contest. The contest will be held in Rotterdam, the Netherlands, following the country's victory at the 2019 contest with the song "Arcade" by Duncan Laurence. The Netherlands was due to host the 2020 contest, before it was cancelled due to the COVID-19 pandemic. It will be the fifth time that the Netherlands hosts the contest, the last time having been the 1980 contest.
This article provides a general overview and documents the status of locations affected by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus which causes coronavirus disease 2019 (COVID-19) and is responsible for the COVID-19 pandemic. The first human cases of COVID-19 were identified in Wuhan, the capital of the province of Hubei in China in December 2019. The most recent country or territory to report its first confirmed case was the Federated States of Micronesia on 8 January 2021.
COVID-19 testing involves analyzing samples to assess the current or past presence of SARS-CoV-2.The two main branches detect either the presence of the virus or of antibodies produced in response to infection. Molecular tests for viral presence through its molecular components are used to diagnose individual cases and to allow public health authorities to trace and contain outbreaks. Antibody tests instead show whether someone once had the disease. They are less useful for diagnosing current infections because antibodies may not develop for weeks after infection. It is used to assess disease prevalence, which aids the estimation of the infection fatality rate.
A COVID‑19 vaccine is a vaccine intended to provide acquired immunity against severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2), the virus causing coronavirus disease 2019 (COVID‑19). Prior to the COVID‑19 pandemic, work to develop a vaccine against coronavirus diseases like severe acute respiratory syndrome (SARS) and Middle East respiratory syndrome (MERS) established knowledge about the structure and function of coronaviruses; this knowledge enabled accelerated development of various vaccine technologies during early 2020.
The Oxford–AstraZeneca COVID-19 vaccine, codenamed AZD1222, is a COVID-19 vaccine developed by Oxford University and AstraZeneca given by intramuscular injection, using as a vector the modified chimpanzee adenovirus ChAdOx1. One dosing regimen showed 90% efficacy when a half-dose was followed by a full-dose after at least one month, based on mixed trials with no participants over 55 years old. Another dosing regimen showed 62% efficacy when given as two full doses separated by at least one month.
BBIBP-CorV is one of two inactivated virus COVID-19 vaccines developed by Sinopharm. In late December 2020, it was in Phase III trials in Argentina, Bahrain, Egypt, Morocco, Pakistan, Peru, and the United Arab Emirates (UAE) with over 60,000 participants.
The storming of the United States Capitol was a riot and violent attack against the 117th United States Congress at the U.S. Capitol on Wednesday, January 6, 2021. Part of the 2020–21 U.S. election protests, it was carried out by a mob of supporters of Donald Trump, the 45th U.S. president, in a failed attempt to overturn his defeat in the 2020 presidential election. The Capitol was placed under lockdown while lawmakers were evacuated. Five people died and more than 140 were injured.
The second impeachment trial of Donald Trump, the 45th president of the United States, began on February 9, 2021, and concluded with his acquittal on February 13. Trump had been impeached for the second time by the House of Representatives on January 13, 2021. The House adopted one article of impeachment against Trump: incitement of insurrection. He is the only U.S. President and only federal official to be impeached twice. The article of impeachment addressed Trump's attempts to overturn the 2020 presidential election results and stated that Trump incited the storming of the Capitol in Washington, D.C., while Congress was convened to count the electoral votes and certify the victory of Joe Biden and Kamala Harris.
The 2021 Myanmar coup d'état began on the morning of 1 February 2021 when democratically elected members of Myanmar's ruling party, the National League for Democracy, were deposed by the Tatmadaw—Myanmar's military—which vested power in a stratocracy. The Tatmadaw proclaimed a year-long state of emergency and declared power had been vested in Commander-in-Chief of Defence Services Min Aung Hlaing. It declared the results of the November 2020 general election invalid and stated its intent to hold a new election at the end of the state of emergency. The coup d'état occurred the day before the Parliament of Myanmar was due to swear in the members elected at the 2020 election, thereby preventing this from occurring. President Win Myint and State Counsellor Aung San Suu Kyi were detained, along with ministers, their deputies and members of Parliament.
The 2021 Myanmar protests are domestic civil resistance efforts in Myanmar in opposition to the 2021 Myanmar coup d'état, which was staged by Min Aung Hlaing, the Commander-in-Chief of the Tatmadaw on 1 February 2021. As of 15 February 2021, at least 452 people have been detained in relation to the coup. Protesters have employed peaceful and nonviolent forms of protest, which include acts of civil disobedience, labour strikes, a military boycott campaign, a pot-banging movement, a red ribbon campaign, public protests, and formal recognition of the election results by elected representatives.
The February 13–17, 2021 North American winter storm, also unofficially referred to as Winter Storm Uri, was a major winter and ice storm that had widespread impacts across the United States, Northern Mexico, and parts of Canada from February 13 to 17. The storm started out in the Pacific Northwest and quickly moved into the Southern United States, before moving on to the Midwestern and Northeastern United States a couple of days later.
 | This article related to telecommunications is a stub. You can help Wikipedia by expanding it. |