Image Source: Science Alert

Topics: Astrophysics, Photonics, SETI, Solar Sail, Space Exploration

It's not the first time I've discussed Fast Radio Burst (FRBs): I had posts in 2013, 2015 and just last year in 2016. I first read this in Science Alert, then followed the links to arXiv. Although I've posted from physics arXiv before, some things I should give as a caveat emptor:

- The arXiv is a pre-print journal, i.e. it precedes publication in peer-reviewed, scientific journals.
- As such, it's a good way to "get an idea out there." The first stringent peer reviews should be from your own research team. You can also in subsequent submission to scholarly publications correct previous conclusions, especially after peer challenge.
- You can submit your paper here, if you're a registered author.

What took me aback was a Harvard astrophysicist* submitting it, and it's apparently not as the colloquial phrase goes, his first rodeo (see #P4TC related link below). I was a little thrilled and a little worried if the hypothesis falls flat.

However, it does work on physics that we know, or at least think we know: we haven't built a functional solar sail YET, but it's a little more practical on our humble 0.7 Kardashev Scale than warp drive (to the chagrin of my inner Trekkie), but within the realm of reasonable relativistic speeds, a fraction of light speed, but doable.

If we're receiving these fast radio bursts, the question are: is this just stellar phenomena, a lucky observation break, or are we in a flight path? And if the latter, for what purpose?

* Loeb admits that this work is speculative. When asked whether he really believes that any fast radio bursts are due to aliens, he replied, "Science isn't a matter of belief, it's a matter of evidence. Deciding what’s likely ahead of time limits the possibilities. It's worth putting ideas out there and letting the data be the judge.”

Abstract
We examine the possibility that Fast Radio Bursts (FRBs) originate from the activity of extragalactic civilizations. Our analysis shows that beams used for powering large light sails could yield parameters that are consistent with FRBs. The characteristic diameter of the beam emitter is estimated through a combination of energetic and engineering constraints, and both approaches intriguingly yield a similar result which is on the scale of a large rocky planet. Moreover, the optimal frequency for powering the light sail is shown to be similar to the detected FRB frequencies. These `coincidences' lend some credence to the possibility that FRBs might be artificial in origin. Other relevant quantities, such as the characteristic mass of the light sail, and the angular velocity of the beam, are also derived. By using the FRB occurrence rate, we infer upper bounds on the rate of FRBs from extragalactic civilizations in a typical galaxy. The possibility of detecting fainter signals is briefly discussed, and the wait time for an exceptionally bright FRB event in the Milky Way is estimated.

Physics arXiv: Fast Radio Bursts from Extragalactic Light Sails
Manasvi Lingam, Abraham Loeb

#P4TC:

Light Sails Leakage, September 9, 2015

Views: 30

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Blog Posts

CHALLENGE!!!!!!!!!!

Posted by KENNETH E JAMES on November 18, 2017 at 12:53pm 0 Comments

That's right i said it Challenge for the week if you are an Artist,Writer, whatever the case. If you are a writer do 10 Pages a day for the next week and prove it by Saturday the 25th. That is 70 pages by one week. Now here is the caveat you have to do it in the time frame of your normal day if you cant than try using an hour by hour schedule to see what you are doing that is wasting some time. Nuff said we are all adults here we go! 

WINTERMAN COMICS #1

Posted by Geoff Thorne on November 17, 2017 at 12:32pm 2 Comments

Also, I launched my comics line last month with WINTERMAN COMICS #1

#2 drops at the end of this month and so on. In 2018 three new titles will arrive in a very interesting way.

The comics are sold digital-only on AMAZON (for now. other outlets when i get some free time to make the appropriate files)



Slaying Pollyanna...

Posted by Reginald L. Goodwin on November 17, 2017 at 6:30am 0 Comments

Image Source: IMDB.com

Topics: Commentary, Diversity, Humor, Science Fiction, Star Trek, Women in Science

I finally used my Fire Stick - post the Kodi "jail break" for watching some well-deserved (and on-demand) escapist TV, especially appreciated while doing…
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BLACK PANTHER'S QUEST

Posted by Geoff Thorne on November 16, 2017 at 11:00pm 2 Comments

okay.



It's been a while so i think is should start out with this.

Next year, in addition to what we all expect to be the miraculous and life-changing BLACK PANTHER feature film, there will also be a new version of the Marvel animated AVENGERS series, featuring Black Panther as well.

When I say "feature" I really mean "focus on" because this next season is so much about Black Panther that they retitled the show to make it clear.

For four seasons the show was called MARVEL'S AVENGERS: ASSEMBLE. NEXT season it will be called MARVEL'S AVENGERS: BLACK PANTHER'S QUEST.

I'm mentioning it here for two reasons.

1) Folks around here need to watch the hell out of this show. It's a totally different vibe than what's gone before on these TV series.

2) The reason I know this is because I'm the head writer. I'm not legally allowed to say anything more than this at this time.

Working for…

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