The GRAIL mission so far has found little evidence for some hypothetical ancient impact basins. NASA/JPL-Caltech/MIT
A sneak peek at the first results from a NASA mission to measure the Moon’s gravitational field hints at a lunar crust that is only half as thick as once thought.
There were a few gasps among scientists in the audience at a 13 September seminar at the Harvard-Smithsonian Center for Astrophysics in Cambridge, Massachusetts, as they took in the data revealed by Maria Zuber, principal investigator for NASA’s Gravity Recovery and Interior Laboratory (GRAIL) mission. Zuber, a planetary scientist at the Massachusetts Institute of Technology in Cambridge, showed a crisp, high-resolution gravitational map made with data collected by GRAIL’s twin spacecraft between March and June of this year.
This would have been my mother's 87th birthday. I am thinking of her, mindful of matters near and far, great and small.
The current conflagration in the Near East at the US Embassies in Egypt and Libya that have spread to even more countries, my curiousity led me to this entry on PBS.org:
Muslims believe that God had previously revealed Himself to the earlier prophets of the Jews and Christians, such as Abraham, Moses, and Jesus. Muslims therefore accept the teachings of both the Jewish Torah and the Christian Gospels. They believe that Islam is the perfection of the religion revealed first to Abraham (who is considered the first Muslim) and later to other prophets. Muslims believe that Jews and Christians have strayed from God's true faith but hold them in higher esteem than pagans and unbelievers. They call Jews and Christians the "People of the Book" and allow them to practice their own religions. Muslims believe that Muhammad is the "seal of the prophecy," by which they mean that he is the last in the series of prophets God sent to mankind.
Poughkeepsie Journal: “Any way you dissect it, from a moral or religious standpoint, those protesters broke our commandments,” said Umar Ahmad, a longtime member of the Mid-Hudson Islamic Association located in the Town of Wappinger. “What happened in Libya is unforgivable.”
I am not a Muslim. I do have Muslim members of my family, as well as agnostic, Jehovah's Witness, nondenominational, etc. We respect one another. Proselytizing one another has never occurred in any conversations I've had with them. What counts most is the relationship; the familial bond.
Tomorrow, and tomorrow and tomorrow...one of the most famous soliloquies written by Shakespeare, spoken from the mouth of Macbeth, a fictional ruler grieving the loss of his wife, musing aloud the futility's of life, the emphasis on unimportant things with respect to the brevity of existence.
We are all involved in mankindby virtue of being a part of it. The oceans no longer separate us; our worldviews aren't dictated by our limited experiences where we immediately are.
I reject the notion any culture's sacred text - Buddhist, Christian, Hebrew, Hindu, Mormon, Muslim et al - is somehow in some bigoted comparison, worthy of desecration. I reject the notion of demonizing Agnostics or Atheists. I reject - as does the US Constitution - the idea of religious tests as a qualifier for elected office (though news pundits seem to count how many times the president uses the word "God" - and he does quite often - as if this is relevant). I reject the notion that an amateurish video of moribund, racist stereotypes falls under "free speech" and "our American values," unless those values now typify the classroom bully; the boot of empire stamped on the neck of the world. Freedom of speech does not give one the right to yell firein a building not ablaze!
I am as diminished by the loss of diplomats abroad as I am military service members deployed, as I am the senseless loss of life in inner cities across the United States.
I quote President Reagan, post the failed rescue attempt 1979 in Iran, Desert 1:
"This is the time for us as a nation and a people to stand united and to pray."
It is in times of triumph and tragedy our leaders are called upon to quell our fears; raise our hopes. Personal vendettas and assaults are the mark of petty minds, I am particularly diminished by candidates that would take death so lightly as to score political points.
Isaiah 11:6 ends: ...and a little child shall lead them.I end with this photo from Facebook, the future meek that will "inherit the earth." I wish mom could see it. I think it would make her smile, and speaks more volumes than the cleverest self-serving sound bite:
We welcome reviews of the book Here's a book description and thanks for your time!
De’Ante Johnson, a quiet 16 year old with a well-hidden double life, is shanghaied from his ‘hood to Illumina, an earthlike world, to battle a shape-shifting monstrous tyrant intent on destroying a millennia-old culture. The action intensifies when De’Ante must choose between saving his best friend, gang leader Revonne Williams, or the desperate people of Illumina. However, the heroic Johnson threatens the existence of both worlds when his temper becomes uncontrollable.
This mosaic image shows spherules, or 'blueberries,' partly embedded and spread over the soil on Mars. (Image courtesy NASA/JPL/Cornell University.)
...never count Rover out.
It’s unlikely anything lives on Mars today, but it may well have done so millions or billions of years past. And it may have left traces of its existence in the geology of the red planet.
One such tantalising hint was discovered by the NASA Opportunity Rover, which found small spherical hematite balls, dubbed ‘blueberries,’ in the Martian soil.
These were originally thought to have provided the first evidence of liquid water on Mars, but their existence may hold an even more profound implication.
Now researchers from the University of Western Australia and University of Nebraska have found that such iron-oxide spheroids, when they appear on Earth, are formed by microbes.
The usually quiet world of mathematics is abuzz with a claim that one of the most important problems in number theory has been solved.
Mathematician Shinichi Mochizuki of Kyoto University in Japan has released a 500-page proof of the abc conjecture, which proposes a relationship between whole numbers — a 'Diophantine' problem.
The abc conjecture, proposed independently by David Masser and Joseph Oesterle in 1985, might not be as familiar to the wider world as Fermat’s Last Theorem, but in some ways it is more significant. “The abc conjecture, if proved true, at one stroke solves many famous Diophantine problems, including Fermat's Last Theorem,” says Dorian Goldfeld, a mathematician at Columbia University in New York. “If Mochizuki’s proof is correct, it will be one of the most astounding achievements of mathematics of the twenty-first century.”
Like Fermat’s theorem, the abc conjecture refers to equations of the form a+b=c. It involves the concept of a square-free number: one that cannot be divided by the square of any number. Fifteen and 17 are square free-numbers, but 16 and 18 — being divisible by 42 and 32, respectively — are not.
For all you Steampunk or Historical Fiction writers, check out the BBC series "COPPER". Set during Civil War era New York City in the 'Five Points District', Copper deals with an Irish American Union Veteran turned detective. Copper delivers a surprisingly unflinching look at the time as Detective Kevin Corcoran takes extraordinary steps to find the real causes of murders in the '5 Points'.
Copper has a similarly gritty feel as 'Deadwood' with the depiction of the absolute squalor of the 5 Points coexists with the opulence of 5th Avenue. Among the characters are Corcoran's blood-thirsty henchmen, a conniving wealthy ally from his Civil War days and a surprising Black American Doctor named Matthew Freeman.
Woven amidst the main characters are whores, socialites, greedy politicians and crooked policemen. The show is well done and its characters drive the plot. Every action has a reaction and vice versa. There are plenty of surprises and the pacing of the show is well measured. It is intended for mature audiences due to graphic violence, some harsh language and sexual situations. If you're looking to get the feel for writing during this particular era, Copper is a very good reference.
Here's a link to 'Behind the Badge' a behind the scenes look at the show. It's about 24 minutes long, but worth the watch. Pick the 'Free User' button to watch. If using Firefox or Chrome and you want to get rid of the ads, download the 'AdPro' plug-in from either browser's website add-ons.
I could have easily discussed the anniversary of 9-11, my recollection of the celebrations that broke out spontaneously last year (my neighbors made it quite hard to sleep); my shear luck of being in New York as those infectious celebrations happened.
No...instead I'm in a Trekkie mood, looking forward to the future; hopeful. We started the 21st Century on a sour note to say the least.
From the 100 Year Starship Symposium in Houston I blogged on yesterday, I stumbled on this item. The paper is at the link below. It took me aback that the Air Force commissioned the research, but I guess you have to study these things...even if we ultimately can't, what will we learn from the effort?
Lest you think that our friends at DARPA are the only ones interested in science-fictional possibilities, the USAF recently took delivery of a new study regarding the military potential of teleportation.
The Teleportation Physics Study was done by Eric Davis of Warp Drive Metrics. Its purpose -
"This study was tasked with the purpose of collecting information describing the teleportation of material objects, providing a description of teleportation as it occurs in physics, its theoretical and experimental status, and a projection of potential applications. The study also consisted of a search for teleportation phenomena occurring naturally or under laboratory conditions that can be assembled into a model describing the conditions required to accomplish the transfer of objects."
Researchers in the US have invented a new nanofabrication technique that can generate 2D patterns with very high rotational symmetries over large areas. Until now, only spatially repeating structures – which have sixfold or less rotational symmetry – could be patterned over such large areas using industrial photolithography techniques.
Dubbed moiré nanolithography, the technique can produced patterns with rotational symmetries as high as 36-fold – something that has never been observed in nature. Such high rotational symmetries could prove useful for a huge range of applications, from making better photonic crystals to boosting the performance of photovoltaic devices.
Granted, no metals or weapons, but the Prada 2012 Men's Fall Collection has grasped the Edwardian theme (which is a major touchstone for the fashion of steampunk) and pushed it to its most "fabulous" exteme.
Credit: Adrian Mann. Daedalus was conceived as a two-stage vehicle, which would attain a speed of 12 percent of the speed of light, for a 50-year voyage to reach Barnard's Star
Scientists, visionaries, entertainers and the public will gather in Houston this week for the100-Year Starship Symposium, a meeting to discuss space travel to another star.
...at its farthest, Mars is about 20 light-minutes away from Earth, and even Pluto is only about 4 light-hours distant. But the nearest star to the sun, Proxima Centauri, is more than 4 light-years from Earth, meaning a vehicle traveling at light-speed would take 4 years to arrive.
Since the fastest spaceships ever built can't even approach light speed, a probe or manned vessel would take many, many years to reach even the nearest stars.
That's why the 100-Year Starship initiative, a project started with seed money from the Defense Advanced Research Projects Agency (DARPA ), has targeted the goal of developing a vehicle that could reach another star in 100 years.
Toward that end, the independent, non-governmental 100 Year Starship organization is hosting its public symposium Sept. 13 through Sept. 16 at the Hyatt Regency in Houston. Speakers include symposium chair Mae Jemison, the first female African American astronaut, as well as astronomer Jill Tarter, a co-founder of the Search for Extraterrestrial Intelligence (SETI) Institute, Johnnetta B. Cole, director of the Smithsonian Museum of African Art, space journalist Miles O'Brien, and photographer Norman Seeff.
"Star Trek" actors LeVar Burton and Nichelle Nichols will also participate. The event is backed by former President Bill Clinton, who will serve as the symposium's honorary chair.
"Taking place the week of the 50th anniversary of President John F. Kennedy's speech delivered at Rice University challenging America to send a man to the moon, the symposium will hold a salute to fifty years of human space flight and NASA's Johnson Space Center," symposium officials wrote in an announcement.
The meeting will feature presentations on spacecraft propulsion and technology, as well as discussions on the social, psychological and religious implications of space travel to other stars.
"The symposium's technical session will include scientific papers on topics such as time-distance solutions; life sciences in space exploration; destinations and habitats; becoming an interstellar civilization; space technologies enhancing life on earth; and commercial opportunities from interstellar efforts," conference organizers wrote.
This will be the second 100-Year Starship Symposium; the last meeting was held in Orlando in October 2011.
This year, DARPA awarded seed money to the Dorothy Jemison Foundation for Excellence to found the 100 Year Starship organization, with the goal of encouraging research that will enable interstellar flight. "100 Year Starship will bring in experts from myriad fields to help achieve its goal — utilizing not only scientists, engineers, doctors, technologists, researchers, sociologists and computer experts, but also architects, writers, artists, entertainers and leaders in government, business, economics, ethics and public policy," officials wrote.
BBC Science News - Artist's conception of White Dwarf pair and Gravity Waves
...and, actually finding them! D.E. Winget - on of the investigators on the paper - is a professor at UT Austin Astrophysics. It's a small club...we kind of all know each other.
Researchers have spotted visible-light evidence for one of astronomy's most elusive targets - gravitational waves - in the orbit of a pair of dead stars.
Until now, these ripples in space-time, first predicted by Einstein, have only been inferred from radio-wave sources.
But a change in the orbits of two white dwarf stars orbiting one another 3,000 light-years away is further proof of the waves that can literally be seen.
Gravitational waves were a significant part of Albert Einstein's general theory of relativity, which viewed space itself as a malleable construct, and the gravity of massive objects as a force that could effectively warp it.
When I perused the list of banned books, I was really surprised at a couple. The Lord of the Rings? Really? Yep, burned as being satanic, despite the fact that Tolkien was a devout Christian. And the Call of the Wild by Jack London? REALLY? Are they kidding?
Sadly, no they're not. It seems that ignorance is bliss in some places.
American biologist James Watson and English physicist Francis Crick and their contribution to the discovery of the DNA structure, photo and article in Nature
Scientists unveiled the results of a massive international project Wednesday that they say debunks the notion that most of our genetic code is made up of so-called junk DNA.
The ENCODE project (Encyclopedia of DNA elements), which involved hundreds of researchers in dozens of labs, also produced what some scientists are saying is like Google Maps for the human genome.
"So the most amazing thing that we found was that we can ascribe some kind of biochemical activity to 80 percent of the genome. And this really kind of debunks the idea that there's a lot of junk DNA or really if there is any DNA that we would really call junk," NHGRI's Feingold said.
What has been called junk DNA is actually teeming with an intricate web of molecular switches that play crucial roles in regulating genes. The ENCODE project scientists found at least 4 million of these regulatory regions so far.
When you delve into the world of Facebook or other such social links, you come to notice, at least I did, anyway, that there are blinded cullerds and out and out fools in great numbers. The ingrained hypocrisy of this joint doesn't matter to them, because they have been Accepted.
The reason? They have Accepted everything put out by the oligarchs. When the actor Terry Crews indulges in tomfoolery, 'Oh quit being so touchy!' When some obscure pol from the South shouts a disparaging remark during the President's State of the Union, 'He was just expressing his right of free speech!' And, 'Treyvon Martin should not have scared that poor misunderstood armed bullyboy!' These are the people who nod their heads when cloaked foul remarks are made and then say 'I understand what they meant'. One of the ironies of the Civil Rights Movement has been the rise of the House cullerds. 'Well, well, being conservative is part of our group character!'
It is what led to our ancestors enslavement. It is why some stay in positions of authority long past they're effective expiration date. It is why too many embrace such negative and denying thoughts, 'All that stuff in school don't mean nuthin', because they have no desire to "change and challenge" their place.
At the opposite end is the group who wallow in the mire of socalled 'Accepted' attitudes. "I'm a member of the country club, and my wife wears big hats for the Kentucky Derby, and it has been because of those rowdy nonrestrained others, that we are not welcome to the class reunion, but I understand, because I have gone out of my way to show I'm on their side. And the business I work for smiles when it denies another a raise or a loan, because there can be only so many of us succeding else it might cause trouble."
The Atlanta Compromise's line "...cast your bucket where you may!" was not answered with "What if you pull up a bucketload of shit?" The Talented Tenth ideal reeks of a placid elitism. Yet in some circles that is an ideal that has taken hold. Aren't the Accepted Talented Tenth the Howards, Allens, and Condis?
I almost turned around and walked away from Dragoncon. I waited for three hours in a line wrapped around the Sheraton Hotel. Both my husband and I were exhausted, hot, and tired. What kept me going were the energetic people around me. They were dressed in costumes, laughed loudly, and were there to have a great time.
I'm so glad that I stayed. Dragoncon was an amazing adventure. I enjoyed meeting all those neat weirdos, hanging out with my fabulous writing buddies, and participating in the State of Black Science Fiction author panel. I was proud and excited to be seated with LM Davis, Alan Jones, Wendy Raven McNair, and Milton Davis. I think we shared our viewpoints and opinions well. What I enjoyed was that we each had our own unique ideas and were able to share our diverse opinions. If you'd like to take a look, here's the Youtube video. BTW, feel free to leave a comment or post, if something about the panel made you think.
Simulated valence-charge density from x-ray and optical wave mixing shows the nuclei of carbon atoms as dark spots revealed by diffracted x-rays and the peaks of some of the bonds between them as white and blue spots induced by the polarized optical pulse. In diamond, the optical pulse primarily wiggles the charge that makes up chemical bonds.
Light changes matter in ways that shape our world. Photons trigger changes in proteins in the eye to enable vision; sunlight splits water into hydrogen and oxygen and creates chemicals through photosynthesis; light causes electrons to flow in the semiconductors that make up solar cells; and new devices for consumers, industry, and medicine operate with photons instead of electrons. But directly measuring how light manipulates matter on the atomic scale has never been possible, until now.
An international team of scientists led by Thornton Glover of the U.S. Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) used the Linac Coherent Light Source (LCLS) at the SLAC National Accelerator Laboratory to mix a pulse of superbright x-rays with a pulse of lower frequency, “optical” light from an ordinary laser. By aiming the combined pulses at a diamond sample, the team was able to measure the optical manipulation of chemical bonds in the crystal directly, on the scale of individual atoms.
The researchers report their work in the August 30, 2012 issue of the journal Nature.
