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Welcome to program 71 of Shortwave Radiogram.

I'm Kim Andrew Elliott in Arlington, Virginia USA.

Here is the lineup for today's program, in modes as noted:

  1:36 MFSK32: Program preview (now)
  2:52 Thor22: Laser system could create quantum internet* **
11:07 MFSK64: First images from BepiColombo Mercury probe*
13:28 Images of the week*
27:00 MFSK32: Closing announcements*

* with image(s)

** in the image box, click Save to save the image as a png file


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Shortwave Radiogram now changes to Thor22 ...


 

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From Science News:

This cloud-zapping laser could help scientists create a quantum
internet

Emily Conover
23 October 2018

On an overcast day, ultrafast lasers could clear a path through
the clouds, allowing easier contact with satellites traveling
high above Earth.

Currently, cloudy weather limits scientists' ability to send data
to satellites via lasers, because the clouds scatter the lasers'
light. But a powerful, fast-pulsing laser can zap a tiny,
cloud-free channel, allowing a second laser to slip through the
hole and transmit information, a new study finds. The technique
could assist scientists working to create worldwide quantum
communications networks that rely on lasers to transmit particles
of light, or photons.

The researchers demonstrated the idea using a laboratory cloud
chamber, which mimicked cloudy conditions. When the first laser
passed through a cloud, it rapidly heated the air, setting up a
shock wave that shoved the cloud's water droplets away from the
beam, researchers from the University of Geneva report in the
Oct. 20 issue of Optica. That action created a channel about a
millimeter wide in the cloud, which allowed more of the second
laser's light to make it through the haze.

In the future, quantum physics could allow for ultrasecure
transmission of data. But first, scientists must construct a
worldwide quantum internet to send delicate quantum particles
from one continent to another. As a step toward that goal, China
created the world's first quantum satellite in 2017, which
exchanges laser light with stations on the ground.

Previously, researchers developing such satellites had to work
around nasty weather. But now, it could be blue skies ahead.

https://www.sciencenews.org/article/cloud-zapping-laser-could-help-scientists-create-quantum-internet




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From New Atlas:

BepiColombo takes its first space selfies en route to Mercury

Nick Lavars
23 October 2018

Scientists on the ESA's first mission to Mercury have confirmed
the outgoing BepiColombo spacecraft's imaging instruments are in
working order, with the probe snapping its first selfies and
successfully returning them to Earth.

The BepiColombo spacecraft lifted off on Saturday atop an Ariane
5 booster, a successful beginning to its 240-million-km
(149-million-mi) journey to the closest planet to the Sun.

Within hours of the launch, the spacecraft began deploying its
pair of 15-meter (50-ft) solar wings that will power its onboard
instruments, along with the antennas it will use to transmit data
to Earth.

This enabled the spacecraft to fire up its three monitoring
cameras, which are equipped to take black and white images at a
resolution of 1024 x 1024 pixels. One of these captured a
deployed solar wing, while the others snapped the medium- and
high-gain antennas.

These cameras will do more than take self-portraits as the
spacecraft cruises toward Mercury. While en route, they will also
gather images during flybys of Earth, Venus and of course, its
final destination as it hurtles into the neighborhood.

It will also deploy a pair of Mercury orbiters to investigate the
planet's structure, magnetic field and learn more about its
almost non-existent atmosphere. All going to plan, these will
enter orbit in December 2025.

https://newatlas.com/bepicolombo-first-selfies/56923/


Image: View of the BepiColombo's deployed solar array ...

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This week's images ...

On 11 November, the sun will set between buildings on Qingnian
1st Road (青年一路) in Kaohsiung, Taiwan -- a twice yearly event.
From bit.ly/2qbQc9S ...

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In addition to his fairy tales, Hans Christian Andersen also
created hundreds of paper cuttings, including this example. From
bit.ly/2EKotqC ...

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This image of a flying fish won a 2018 wildlife photography
award. From bit.ly/2Rf9Tc7 ...

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This "headless chicken monster," actually a sea cucumber, was
photographed off East Antarctica. From nbcnews.to/2PtHIct ...


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A recent outbreak of tornados in New England included this one at
Sandwich, Massachusetts. From bit.ly/2z4NNBF ...

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Image from a CBS 60 Minutes Overtime feature about the New York
subway system. From cbsn.ws/2Cxi0wx ...


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Our painting of the week is for Halloween, by Aja Trier. From
etsy.me/2yZDnTU ...
 

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Shortwave Radiogram now returns to MFSK32 ...


 

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and

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Twitter: @SWRadiogram

I'm Kim Elliott. Please join us for the next Shortwave
Radiogram.
 

Closing image from bit.ly/2ArqlAo ...

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Lot's of pictures today, little text.

Copyright info:

1. Creative Commons Attribution-Share Alike 3.0 Unported, author Jakkes
2. ... 6. own work
7. License CC BY-SA, by Diego Delso
8. GNU Free Documentation License, Version 1.2, by Smiley.toerist
9. GNU Free Documentation License, Version 1.2 by Serge Hoogsteyn
10. Creative Commons Attribution-Share Alike 4.0 International license by PumpkinSky
11. Creative Commons Attribution-Share Alike 4.0 International license by ¨N 3 14 15 92 65¨
12. Creative Commons Attribution-Share Alike 4.0 International license by Aljabakphoto
13. GFDL and cc-by-sa-2.5 by Dirk Beyer
14. Creative Commons Attribution 3.0 Unported license by Florian Fuchs


de PA0ETE k


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Copyright info:

1. Creative Commons Attribution-Share Alike 3.0 Unported, author Jakkes

2. ... 6. own work

7. License CC BY-SA, by Diego Delso

8. GNU Free Documentation License, Version 1.2, by Smiley.toerist

9. GNU Free Documentation License, Version 1.2 by Serge Hoogsteyn

10. Creative Commons Attribution-Share Alike 4.0 International license by PumpkinSky

11. Creative Commons Attribution-Share Alike 4.0 International license by ¨N 3 14 15 92 65¨

12. Creative Commons Attribution-Share Alike 4.0 International license by Aljabakphoto

13. GFDL and cc-by-sa-2.5 by Dirk Beyer

14. Creative Commons Attribution 3.0 Unported license by Florian Fuchs

de PA0ETE k

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Welcome to BSR Radiogram #22 - October 29, 2018
a production of BroadSpectrumRadio.com with support from the Oklahoma Objector Church (www.okobjector.church)

A creation of James M. Branum

Please send your QSL reports to us at broadspectrumradio@gmail.com or please post them to the Shortwave Radiogram facebook page at www.facebook.com/groups/567099476753304

In this episode...

Pictures shot by James in celebration of our very colorful and wet fall of 2018 in Oklahoma.

The first four pictures are from the Links of Oklahoma City Golf Course.
The next three pictures are from my neighborhood, Sonador, in far NW Oklahoma City.
The last six pictures are from Will Rogers Park in Oklahoma City.


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Broad Spectrum Radio is fiscally sponsored by the Oklahoma Objector Church
www.okobjector.church


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