Template:Motd/2020-04
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- thumbtime: Template:Motd/2020-04-01 thumbtime
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.
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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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- thumbtime: Template:Motd/2020-04-03 thumbtime
4
Fryderyk Franciszek Chopin's Scherzo No. 3 in C-sharp minor, Op. 39.
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- thumbtime: Template:Motd/2020-04-04 thumbtime
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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- thumbtime: Template:Motd/2020-04-05 thumbtime
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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- thumbtime: Template:Motd/2020-04-06 thumbtime
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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- thumbtime: Template:Motd/2020-04-07 thumbtime
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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- thumbtime: Template:Motd/2020-04-08 thumbtime
9
Torah scroll in Kazerne Dossin Museum, Mechelen, Belgium.
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- thumbtime: Template:Motd/2020-04-09 thumbtime
10
1904 recording of Mr. Lefires, a French flatulist.
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- thumbtime: Template:Motd/2020-04-10 thumbtime
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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- thumbtime: Template:Motd/2020-04-11 thumbtime
12
A chatty Brewer's blackbird in San Francisco, California
English : A chatty Brewer's blackbird in San Francisco, California
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- thumbtime: Template:Motd/2020-04-12 thumbtime
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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- thumbtime: Template:Motd/2020-04-13 thumbtime
14
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- thumbtime: Template:Motd/2020-04-14 thumbtime
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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- thumbtime: Template:Motd/2020-04-15 thumbtime
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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- thumbtime: Template:Motd/2020-04-16 thumbtime
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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- thumbtime: Template:Motd/2020-04-17 thumbtime
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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- thumbtime: Template:Motd/2020-04-18 thumbtime
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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- thumbtime: Template:Motd/2020-04-19 thumbtime
20
Ellipse trammel designed by Frans van Schooten.
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- thumbtime: Template:Motd/2020-04-20 thumbtime
21
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- thumbtime: Template:Motd/2020-04-21 thumbtime
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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- thumbtime: Template:Motd/2020-04-22 thumbtime
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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- thumbtime: Template:Motd/2020-04-23 thumbtime
24
Simplified animation of a 5-speed Manual transmission.
input shaft, connected to the Clutch and motor
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
shift linkage
English : Simplified animation of a 5-speed Manual transmission.
input shaft, connected to the Clutch and motor
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
shift linkage
Advanced options
- thumbtime: Template:Motd/2020-04-24 thumbtime
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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- thumbtime: 2
26
The Infernal Cauldron is a 1903 hand-colored trick film by Georges Méliès.
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- thumbtime: 2
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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- thumbtime: Template:Motd/2020-04-27 thumbtime
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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- thumbtime: Template:Motd/2020-04-28 thumbtime
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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- thumbtime: 2
30
Traditional Yiddish song Ver Hot aza Yingele? performed by Eurocantica music group.
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- thumbtime: Template:Motd/2020-04-30 thumbtime
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