Blog Archives

Perhaps a trillion trillion stars

Astronomer Carl Sagan was famous for saying that there were billions and billions of stars and other objects in the universe. Recent studies have increased the estimates for stars in the Milky Way galaxy and total numbers of galaxies in

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The Observable Universe has 2 trillion galaxies which is ten times more than previous estimates

An international team of astronomers, led by Christopher Conselice, Professor of Astrophysics at the University of Nottingham, have found that the universe contains at least two trillion galaxies, ten times more than previously thought. Astronomers have long sought to determine

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US Navy Secretary says Ford aircraft carrier is a textbook example of how not to build a ship

The $13 billion supercarrier USS Ford and the $500 million Littoral Combat Ship are both suffering engine trouble. But Navy Secretary Ray Mabus took pains today to defend LCS even as he derided Ford as “a textbook example of how

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President Obama declares goal of sending humans to Mars by 2030 but does not announce any significant budget for the goal

President declares the goal of sending humans to Mars by 2030 We have set a clear goal vital to the next chapter of America's story in space: sending humans to Mars by the 2030s and returning them safely to Earth,

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Possible extraterrestrial intelligence evidence – Peculiar periodic spectral modulations 234 solar type stars out of 2.5 million stars

A Fourier transform analysis of 2.5 million spectra in the Sloan Digital Sky Survey was carried out to detect periodic spectral modulations. Signals having the same period were found in only 234 stars overwhelmingly in the F2 to K1 spectral

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World Energy Scenarios to 2060

The 23rd World Energy Congress released World Energy Scenarios. WEC notes global energy demand has more than doubled since 1970. However, it suggests, "The future will be different." The report says underlying drivers – including lower population growth, new technologies,

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Editing the Epigenome in Mammals

What is the epigenome ? The epigenome is a multitude of chemical compounds that can tell the genome what to do. The human genome is the complete assembly of DNA (deoxyribonucleic acid)-about 3 billion base pairs – that makes each

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Carnival of Space 478

1. Brown Spaceman – How direct fusion drive will revolutionize space travel Direct Fusion Drive (DFD) has made lots of headway recently as it’s demonstrated huge benefits for spaceflight and exploration. This is the Princeton Satellite systems work and not

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Multi domain concept is the army, drones and cyber capabilities projecting power into the air and sea

Over the last 25 years, land forces (armies) have been high-demand consumers of joint force capabilities, operating beneath an umbrella of air and maritime supremacy. If the joint force is to succeed, the land force must now give as well

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US Navy new Ford Carrier is already 2 years late and is delayed again with no new delivery date

The US Navy’s expensive new Ford aircraft carrier will miss the Navy’s November delivery deadline. That’s the latest slip for the $12.9 billion USS Gerald R. Ford, which is being built at Huntington Ingalls Industries. The carrier was originally expected

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Steve Wozniak thinks Artificial Intelligence will not be as threatening as feared and will have far more benefits

Steve Wozniak does not think that greater than human intelligence Artificial Intelligence will be a human economy killer or a human killer in general. At one point I had concerns about AI because if you replace brains and then all

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Next generation Columbia submarines will have quieter electric drive, cost about $5 billion each and become operation 2030 through 2041

The Columbia class submarine program, previously known as the Ohio replacement program (ORP) or SSBN(X) program, a program to design and build a new class of 12 ballistic missile submarines (SSBNs) to replace the Navy’s current force of 14 Ohio-class

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Major breakthrough in transistor size by creating gate only 1 nanometer long

For more than a decade, engineers have been eyeing the finish line in the race to shrink the size of components in integrated circuits. They knew that the laws of physics had set a 5-nanometer threshold on the size of

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Analysis of nearest Rocky Exoplanet Proxima B suggests it is an ocean planet with 120 miles of water covering the whole world

A rocky extrasolar planet with a mass similar to that of the Earth was recently detected around Proxima Centauri, the nearest star to our sun. This planet, called Proxima b, is in an orbit that would allow him to have

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Boeing fears Spacex Raptor engine – CEO vows to put humans on Mars before Spacex but needs over $60 billion for Space Launch System

Boeing Chief Executive Officer Dennis Muilenburg sees a commercial space-travel market with dozens of destinations orbiting the Earth and hypersonic aircraft shuttling travelers between continents in two hours or less. And Boeing intends to be a key player in the

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Dubai Hyperloop Competition

The Government of Dubai is planning to build Hyperloop infrastructure in the near future between two great global cities, Dubai and Fujairah City in the neighboring Emirate of Fujairah. The government aims to reduce the transportation time between these two

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Metamaterials reduces the reflection of radar might make stealth aircraft invisible to microwaves

Iowa State researchers Liang Dong and Jiming Song are working on technology that could someday make a microwave invisibility cloak for stealth aircraft a reality. Along with assistance from Iowa State students, they've developed a flexible, stretchable, and tunable "meta-skin"

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US Army says Ground Warfare is on the cusp of being fundamentally transformed to become intensely lethal

Gen. Mark Milley, the Army Chief of Staff, says the world is on the cusp of a fundamental change in the character of ground warfare. A revolution is perhaps five to 10 years away. The US Army is expecting to

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Dexmo exoskeleton combines Virtual reality with haptic force feedback

The Dexmo exoskeleton allows its wearer to touch, grasp, and feel virtual objects as if they were real. A virtual baseball feels firm in the hand, an egg fragile. Pick up a digital rubber duck while wearing the Dexmo, and

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Paris Climate agreement will come into legal force after the EU ratifies next week

India –the third-largest emitter of greenhouse gases — ratified the Paris climate agreement Sunday. With India's signature, 62 countries have signed the pact. It will come into force legally after it is ratified by at least 55 countries between them

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