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General Science News
I've never been a fan of science fiction.
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(08-29-2016, 05:35 PM)WarBicycle Wrote: I've never been a fan of science fiction.

Where's your G-d given imagination? S13
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Have a Gneiss Day!
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In the early stages all Alzheimer.
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(08-29-2016, 07:44 PM)WarBicycle Wrote: In the early stages all Alzheimer.

Seriously? How old are you?

This is why I really like Smilies, because they help identify the seriousness or lightness of statements. Plus, as the young age of 71 I know I have trouble bringing surface knowledge for use in conversation. I know what it is, want to use it, but somehow I just can't seem to bring it up. Five-ten minutes later, when I no longer need it, it pops back up for me. Gah

Its frustrating and the main reason why I am such a huge coconut oil person. S11
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Just pulling your chain.
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(08-29-2016, 09:45 PM)WarBicycle Wrote: Just pulling your chain.

Regardless, its a great work. None of that whisking around the galaxy with FTL(faster then light). Pournelle did a great deal of research into the science with some of his buddies at JPL(Jet Propulsion Laboratory). Lots of science involved there. I've never heard or read of anyone who didn't enjoy the work.

I give it 100% S22
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I saw this the other day, and its really enlightening.

Chillies could help beat cancer as research finds capsaicin destroys diseased cells. The active ingredient that gives chillies their kick can surround cancer cells and kill them off, scientists say, which could help develop a cure for cancer

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If they don't kill you, they'll cure you. Something like that? S5
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Here's something interesting from Penn State. Where the rivers meet the sea. Harnessing the energy generated when freshwater meets saltwater.
Quote:UNIVERSITY PARK, Pa. — Penn State researchers have created a new hybrid technology that produces unprecedented amounts of electrical power where seawater and freshwater combine at the coast.

“The goal of this technology is to generate electricity from where the rivers meet the ocean,” said Christopher Gorski, assistant professor in environmental engineering at Penn State. “It's based on the difference in the salt concentrations between the two water sources.”

It will be worthwhile to follow this and see if it really can pan out in the long run.
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Commercial soap, made the old fashioned way, from somewhere in the Middle East.  


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This is interesting.  The more efficient plants are at absorbing increased CO2 from the atmosphere, the more efficient they are with using less water.

Rising carbon dioxide is making the world’s plants more water-wise

Quote:Land plants are absorbing 17% more carbon dioxide from the atmosphere now than 30 years ago, our research published today shows. Equally extraordinarily, our study also shows that the vegetation is hardly using any extra water to do it, suggesting that global change is causing the world’s plants to grow in a more water-efficient way.

Water is the most precious resource needed for plants to grow, and our research suggests that vegetation is becoming much better at using it in a world in which CO₂ levels continue to rise.

The ratio of carbon uptake to water loss by ecosystems is what we call “water use efficiency”, and it is one of the most important variables when studying these ecosystems.

Our confirmation of a global trend of increasing water use efficiency is a rare piece of good news when it comes to the consequences of global environmental change. It will strengthen plants’ vital role as global carbon sinks, improve food production, and might boost water availability for the well-being of society and the natural world.

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JL Wrote:This is interesting. The more efficient plants are at absorbing increased CO2 from the atmosphere, the more efficient they are with using less water.
Yes, we are replenishing our coal stock as we speak... S5
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Does anybody know anything about this little trick?

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Supposedly it is false and does not work.

Google it.
I know you think you understand what you thought I said,
but I'm not sure you realize that what you heard is not what I meant!
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Well lookie what's been going on, just up the road from where I live. This is outstanding news, especially from a former tank man, such as myself. WoW! This is Great News!

Quote:Metal foam stops .50 caliber rounds as well as steel – at less than half the weight

Researchers have demonstrated that vehicle armor using composite metal foam (CMF) can stop ball and armor-piercing .50 caliber rounds as well as conventional steel armor, even though it weighs less than half as much. The finding means that vehicle designers will be able to develop lighter military vehicles without sacrificing safety, or can improve protection without making vehicles heavier.

CMF is a foam that consists of hollow, metallic spheres—made of materials such as stainless steel or titanium—embedded in a metallic matrix made of steel, titanium, aluminum or other metallic alloys. In this study, the researchers used steel-steel CMF, meaning that both the spheres and the matrix were made of steel.

Metal Foam Stops .50 Caliber Rounds As Well As Steel





In previous work, Rabiei and her collaborators demonstrated that CMF could block blast pressure and fragmentation at 5,000 feet per second from high explosive incendiary rounds detonating only 18 inches away. Her team also showed that CMF could stop a 7.62 x 63 millimeter M2 armor piercing projectile at a total thickness of less than an inch, while the indentation on the back was less than 8 millimeters. For context, the National Institute of Justice standard allows up to 44 millimeters indentation in the back of armor.

In addition, Rabiei's group has shown that CMFs, in addition to being lightweight, are very effective at shielding X-rays, gamma rays and neutron radiation—and can handle fire and heat twice as well as the plain metals they are made of.

"In short, CMFs hold promise for a variety of applications: from space exploration to shipping nuclear waste, explosives and hazardous materials, to military and security applications and even cars, buses and trains," Rabiei says.

This all sounds wonderful, and I'm quite excited, but I would like to see some real comparisons of equal thicknesses of steel vs CMF. I'm eagerly awaiting all this to come out. S22
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