The newest material of modern art? Bone.
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When an astronomical observatory detected two black holes colliding in deep space, scientists celebrated confirmation of Einstein’s prediction of gravitational waves. A team of astrophysicists wondered something else: Had the experiment found the “dark matter” that makes up most of the mass of the universe?
The eight scientists from the Johns Hopkins Henry A. Rowland Department of Physics and Astronomy had already started making calculations when the discovery by the Laser Interferometer Gravitational-Wave Observatory (LIGO) was announced in February. Their results, published recently in Physical Review Letters, unfold as a hypothesis suggesting a solution for an abiding mystery in astrophysics.
“We consider the possibility that the black hole binary detected by LIGO may be a signature of dark matter,” wrote the scientists in their summary, referring to the black hole pair as a “binary.” What follows are five pages of annotated mathematical equations showing how the researchers considered the mass of the two objects LIGO detected as a point of departure, suggesting that these objects could be part of the mysterious substance known to make up about 85 percent of the mass of the universe.
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Scientists have seen two black holes crash into each other and merge for the second time, proving Albert Einstein was right and showing the first observation was no fluke.
Ultra-sensitive instruments called the Laser Interferometer Gravitational-Wave Observatory (LIGO) detected the ripple in gravitational waves that came across space and time to Earth last December, the team reported Wednesday.
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OFFICIAL CHEECH PAGE Actor, director, writer, musician, and Chicano art advocate/collector, Cheech Marin is best known as one half of the hilariously…
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Turning CO2 Into Stone
Posted in climatology, sustainability
“The state of New York just got another bitcoin company that can legally operate under the auspices of the state financial regulator’s guidelines.”
Mass killings in US and Europe during 2015 & 2016: Pulse in Orlando — 49 killed; Brussels — 32 dead; Paris — 150 dead; San Bernardino 14 dead… With these numbers we have to assess could Robots equipped with sensors, communications, Tasers and other defenses be used for security guards to protect buildings and public areas and events as a defense to save lives. I believe getting robots equipped with sensor technology as well as other equipment could help towards combating terror. Also, drones should be looked at to be used in conjunction with these bots.
Gamma 2 Robotics introduced its new RAMSEE security patrol robot at Hexagon’s international conference HxGN LIVE, which is being held June 13–16 in Anaheim, California. The launch is part of a new partnership with Hexagon Safety & Infrastructure.
RAMSEE is a physical presence that patrols autonomously without supervision and provides real-time data on intruders, motion, heat, fire, smoke, gas and more. the company says in a news release.
“RAMSEE will change the world of security because it never rests and operates at a fraction of the cost paid for other security services,” says Lew Pincus, chief executive officer, Gamma 2 Robotics. “We built RAMSEE to be ideally suited for the overnight dull, dirty and dangerous patrols nobody wants to do. These are the jobs for which the security industry struggles to find staffing.”
After axonal injury, nearby mitochondria become incapable of producing ATP, as indicated by their change in color from yellow (healthy) to green (damaged) (credit: Zhou et al., 2016)
Boosting the transport of mitochondria (cell energy suppliers) along neuronal axons enhances the ability of mouse nerve cells to repair themselves and regrow after injury or disease, researchers at the National Institute of Neurological Disorders and Stroke report in The Journal of Cell Biology.
Neurons need large amounts of energy to extend their axons long distances through the body. This energy — in the form of adenosine triphosphate (ATP) — is provided by mitochondria.
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A meta-analysis of 45 studies (64 publications) of consumption of whole grain by an international team of researchers, led by Dagfinn Aune, PhD, at Imperial College London, found lower risks of coronary heart disease and cardiovascular disease overall, as well as deaths from all causes and from specific diseases, including stroke, cancer, diabetes, infectious and respiratory diseases.
The researchers say these results “strongly support dietary recommendations to increase intake of whole grain foods in the general population to reduce risk of chronic diseases and premature mortality.”
The results have been published in an open-access paper in the British Medical Journal (BMJ).
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