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My July fund-raising campaign to celebrate the fifteenth anniversary since I began Behind the Black is now over. I want to thank all those who so generously donated or subscribed, especially those who have become regular supporters. I can't do this without your help. I also find it increasingly hard to express how much your support means to me. God bless you all!

 

The donations during this year's campaign were sadly less than previous years, but for this I blame myself. I am tired of begging for money, and so I put up the campaign announcement at the start of the month but had no desire to update it weekly to encourage more donations, as I have done in past years. This lack of begging likely contributed to the drop in donations.

 

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A new technique for creating diamonds

In discovering a new solid state for carbon scientists have also discovered that it is a relatively inexpensive way to produce diamonds.

Professor Jay Narayan of North Carolina State University is the lead author of three papers describing the work that sees Q-carbon join the growing list of carbon solids, a list that includes graphite, graphene, fullerene, amorphous carbon and diamond. He has suggested that the only place Q-carbon might be found in the natural world is in the core of certain planets.

The researchers created Q-carbon by starting with a thin plate of sapphire (other substrates, such as glass or a plastic polymer, will also work). Using a high-power laser beam, they coated the sapphire with amorphous carbon, a carbon form with no defined crystalline structure. They then hit the carbon with the laser again, raising its temperature to about 4,000 Kelvin, and then rapidly cooled, or quenched, the melted carbon. This stage of quenching is where “Q” in Q-carbon comes from.

The researchers have found that, depending on the substrates, tiny diamonds will form within the Q-carbon, suggesting to me that they have actually discovered how diamonds are formed deep below the Earth. The hot high pressure environment there allows Q-carbon to naturally form, and in the process of its solidification diamonds are a byproduct.

Genesis cover

On Christmas Eve 1968 three Americans became the first humans to visit another world. What they did to celebrate was unexpected and profound, and will be remembered throughout all human history. Genesis: the Story of Apollo 8, Robert Zimmerman's classic history of humanity's first journey to another world, tells that story, and it is now available as both an ebook and an audiobook, both with a foreword by Valerie Anders and a new introduction by Robert Zimmerman.

 

The print edition can be purchased at Amazon or from any other book seller. If you want an autographed copy the price is $60 for the hardback and $45 for the paperback, plus $8 shipping for each. Go here for purchasing details. The ebook is available everywhere for $5.99 (before discount) at amazon, or direct from my ebook publisher, ebookit. If you buy it from ebookit you don't support the big tech companies and the author gets a bigger cut much sooner.


The audiobook is also available at all these vendors, and is also free with a 30-day trial membership to Audible.
 

"Not simply about one mission, [Genesis] is also the history of America's quest for the moon... Zimmerman has done a masterful job of tying disparate events together into a solid account of one of America's greatest human triumphs."--San Antonio Express-News

2 comments

  • Tom Billings

    As far as I can tell from a wide range of articles on this subject, including the NCU team’s paper:

    1.) This is dependent on speedy (nanosecond) heating above the Phase Transition, followed by rapid cooling sufficient (The quenching from which the Q in Q-carbon comes) that there is a permanent shift in which electrons in the Carbon atoms do the binding to each other.

    2.) The descriptions of the amorphous carbon used as the starting material spread over the substrate is, …lacking in clarity. The descriptions for amorphous carbon I could find are similarly vague.

    3.) The final material imaged, so far, is *not* a sheet of Q-carbon, but a collection of small crystalline objects lying in the same thin layer above the substrate.

    4.) The ferromagnetism, and even the fluorescence, is interesting, but not what will help us in spaceflight. For that we will need something with the compressive strength of diamond, in sheets, that will bind to either carbon nanotubes, or graphene. These would be in sheets laid between and bonded to, layers of a q-carbon matrix. They will provide the tensile strength and toughness to go with the matrix compressive strength and hardness of the Q-carbon, or the diamond created from it. Such composite materials could make space vehicles far beyond the performance possible today.

    Whether these materials can become possible will be a strong investigative field.

  • I think we both know that the reason some aspects of this process are described “vaguely” is to protect the significant financial value of the process. No reason to give it away when you can quite rightly make many millions selling it to those who need and want it.

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