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Template:Motd/2020-04

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2020s
2025 01 02 03 04 05 06 07 08 09 10 11 12
2024 01 02 03 04 05 06 07 08 09 10 11 12
2023 01 02 03 04 05 06 07 08 09 10 11 12
2022 01 02 03 04 05 06 07 08 09 10 11 12
2021 01 02 03 04 05 06 07 08 09 10 11 12
2020 01 02 03 04 05 06 07 08 09 10 11 12
2010s
date QS:P,+2010-00-00T00:00:00Z/8
2019 01 02 03 04 05 06 07 08 09 10 11 12
2018 01 02 03 04 05 06 07 08 09 10 11 12
2017 01 02 03 04 05 06 07 08 09 10 11 12
2016 01 02 03 04 05 06 07 08 09 10 11 12
2015 01 02 03 04 05 06 07 08 09 10 11 12
2014 01 02 03 04 05 06 07 08 09 10 11 12
2013 01 02 03 04 05 06 07 08 09 10 11 12
2012 01 02 03 04 05 06 07 08 09 10 11 12
2011 01 02 03 04 05 06 07 08 09 10 11 12
2010 01 02 03 04 05 06 07 08 09 10 11 12
2009 01 02 03 04 05 06 07 08 09 10 11 12


Sun Mon Tue Wed Thu Fri Sat
01 02 03 04
05 06 07 08 09 10 11
12 13 14 15 16 17 18
19 20 21 22 23 24 25
26 27 28 29 30

1

2

Grandpas's Eyeglasses (Os Óculos do Vovô), a 1913 silent short by Francisco Dias Ferreira dos Santos, is the oldest surviving Brazilian fiction film.
English : Grandpas's Eyeglasses (Os Óculos do Vovô), a 1913 silent short by Francisco Dias Ferreira dos Santos, is the oldest surviving Brazilian fiction film.
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3

NASA’s telescope Neutron Star Interior Composition Explorer (NICER), installed on the International Space Station, maps X-ray echoes to reveal changes to the corona of black hole MAXI J1820+070.
English : NASA’s telescope Neutron Star Interior Composition Explorer (NICER), installed on the International Space Station, maps X-ray echoes to reveal changes to the corona of black hole MAXI J1820+070.
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4

English : Fryderyk Franciszek Chopin's Scherzo No. 3 in C-sharp minor, Op. 39.
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5

A Christmas market (type of street market) during the four weeks of Advent. Originated in Germany, but are now common worldwide.
English : A Christmas market (type of street market) during the four weeks of Advent. Originated in Germany, but are now common worldwide.
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6

A rendered visualization of the Ventricular system, specifically the Cerebral aqueduct shown in red, using data from Anatomography.
English : A rendered visualization of the Ventricular system, specifically the Cerebral aqueduct shown in red, using data from Anatomography.
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7

Example of a 2D Fourier Transform applied to an image.
English : Example of a 2D Fourier Transform applied to an image.
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8

Historical reenactment: "Borders to guard" 1915 - 1919, on August 3rd and 4th, 2019, at the Belfort citadel.
English : Historical reenactment: "Borders to guard" 1915 - 1919, on August 3rd and 4th, 2019, at the Belfort citadel.
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9

Torah scroll in Kazerne Dossin Museum, Mechelen, Belgium.
English : Torah scroll in Kazerne Dossin Museum, Mechelen, Belgium.
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10

1904 recording of Mr. Lefires, a French flatulist.
English : 1904 recording of Mr. Lefires, a French flatulist.
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11

This animation compares the X-ray 'heartbeats' of GRS 1915 and IGR J17091, two black holes that ingest gas from companion stars. The data was recorded by Rossi X-ray Timing Explorer (RXTE).
English : This animation compares the X-ray 'heartbeats' of GRS 1915 and IGR J17091, two black holes that ingest gas from companion stars. The data was recorded by Rossi X-ray Timing Explorer (RXTE).
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12

A chatty Brewer's blackbird in San Francisco, California
English : A chatty Brewer's blackbird in San Francisco, California
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13

Ludwig van Beethoven's first movement of the Piano Sonata No. 7, Op. 10, No. 3 was written in 1798.
English : Ludwig van Beethoven's first movement of the Piano Sonata No. 7, Op. 10, No. 3 was written in 1798.
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14

15

Seven years ago the Boston Marathon was hit by a terror attack. The same day (April 15, 2013) U.S. President Barack Obama delivers a statement on the event.
English : Seven years ago the Boston Marathon was hit by a terror attack. The same day (April 15, 2013) U.S. President Barack Obama delivers a statement on the event.
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16

The ESO Very Large Telescope observes the southern skies using four mirrors 8.2 metres in diameter. But keeping the VLT´s eyes clear requires each mirror to be cleaned and recoated occasionally.
English : The ESO Very Large Telescope observes the southern skies using four mirrors 8.2 metres in diameter. But keeping the VLT´s eyes clear requires each mirror to be cleaned and recoated occasionally.
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17

President Donald Trump Cuts US Funding to WHO. President claims WHO was slow to act and promoted China's 'disinformation'. The US is WHO's single biggest donor, providing $400 million in 2019, nearly 15% of its budget.
English : President Donald Trump Cuts US Funding to WHO. President claims WHO was slow to act and promoted China's 'disinformation'. The US is WHO's single biggest donor, providing $400 million in 2019, nearly 15% of its budget.
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18

This 1860 phonautogram by Édouard-Léon Scott de Martinville is the oldest known intelligible recording of the human voice. It is excerpt from the song “Au clair de la lune”.
English : This 1860 phonautogram by Édouard-Léon Scott de Martinville is the oldest known intelligible recording of the human voice. It is excerpt from the song “Au clair de la lune”.
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19

A time lapse of the Falkirk Wheel over a time period of approximately 10 minutes.
English : A time lapse of the Falkirk Wheel over a time period of approximately 10 minutes.
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20

Ellipse trammel designed by Frans van Schooten.
English : Ellipse trammel designed by Frans van Schooten.
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21

22

Follow a coronal mass ejection as is passes Venus then Earth, and explore how the sun drives Earth's winds and oceans.
English : Follow a coronal mass ejection as is passes Venus then Earth, and explore how the sun drives Earth's winds and oceans.
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23

Juvenile spiny flower mantis (Pseudocreobotra wahlbergii) simply grooms itself as it watches the earthworm crawl between its legs.
English : Juvenile spiny flower mantis (Pseudocreobotra wahlbergii) simply grooms itself as it watches the earthworm crawl between its legs.
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24

Simplified animation of a 5-speed Manual transmission.
  input shaft, connected to the Clutch and motor
  Layshaft
  output shaft
  constant-mesh wheels of the gears 1, 2, 3, 5. These gears rotate freely on the output shaft
  Dog clutches locking gears with the output
  the reverse uses a sliding-mesh Idler-wheel
  Gear stick
  shift linkage
English : Simplified animation of a 5-speed Manual transmission.
  input shaft, connected to the Clutch and motor
  Layshaft
  output shaft
  constant-mesh wheels of the gears 1, 2, 3, 5. These gears rotate freely on the output shaft
  Dog clutches locking gears with the output
  the reverse uses a sliding-mesh Idler-wheel
  Gear stick
  shift linkage
Advanced options

25

The Chechahcos, a 1924 American silent film on the Klondike Gold Rush, was the first full-length motion picture filmed entirely in Alaska.
English : The Chechahcos, a 1924 American silent film on the Klondike Gold Rush, was the first full-length motion picture filmed entirely in Alaska.
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26

The Infernal Cauldron is a 1903 hand-colored trick film by Georges Méliès.
English : The Infernal Cauldron is a 1903 hand-colored trick film by Georges Méliès.
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27

This video was taken October 18, 2011 from on board the International Space Station while it travels from just south of Alaska to eastern Cuba. The camera was north-facing, so the Aurora Borealis is visible. Lightning storms can be seen while Chicago and the south end of Lake Michigan pass by in the background.
English : This video was taken October 18, 2011 from on board the International Space Station while it travels from just south of Alaska to eastern Cuba. The camera was north-facing, so the Aurora Borealis is visible. Lightning storms can be seen while Chicago and the south end of Lake Michigan pass by in the background.
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28

Les Canards tyroliens (the Yodling Ducks) is a 1869 French song on the freedom of assembly created by Thérésa and performed in 1930 by Yvonne Gabaroche.
English : Les Canards tyroliens (the Yodling Ducks) is a 1869 French song on the freedom of assembly created by Thérésa and performed in 1930 by Yvonne Gabaroche.
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29

Girl Shy is a 1924 American film directed by Fred C. Newmeyer and Sam Taylor and starring Harold Lloyd.
English : Girl Shy is a 1924 American film directed by Fred C. Newmeyer and Sam Taylor and starring Harold Lloyd.
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30

Traditional Yiddish song Ver Hot aza Yingele? performed by Eurocantica music group.
English : Traditional Yiddish song Ver Hot aza Yingele? performed by Eurocantica music group.
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2020-03 ← 2020-04 → 2020-05

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