Archive for the ‘Technology’ Tag

Cubesats: Miniature research satellites launched from the International Space Station   Leave a comment


A CubeSat is a type of miniaturized satellite for space research that usually has a volume of exactly one liter (10 cm cube), has a mass of no more than 1.33 kilograms, and typically uses commercial off-the-shelf components for its electronics.

Beginning in 1999, California Polytechnic State University (Cal Poly) and Stanford University developed the CubeSat specifications to help universities worldwide to perform space science and exploration.

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The CubeSat specification accomplishes several high-level goals. Simplification of the satellite’s infrastructure makes it possible to design and produce a workable satellite at low cost. Encapsulation of the launcher–payload interface takes away the prohibitive amount of managerial work that would previously be required for mating a piggyback satellite with its launcher. Unification among payloads and launchers enables quick exchanges of payloads and utilization of launch opportunities on short notice.

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Since CubeSats are all 10×10 cm (regardless of length) they can all be launched and deployed using a common deployment system. CubeSats are typically launched and deployed from a mechanism called a Poly-PicoSatellite Orbital Deployer (P-POD), also developed and built by Cal Poly. P-PODs are mounted to a launch vehicle and carry CubeSats into orbit and deploy them once the proper signal is received from the launch vehicle. P-PODs have deployed over 90% of all CubeSats launched to date (including un-successful launches), and 100% of all CubeSats launched since 2006. The P-POD Mk III has capacity for three 1U CubeSats, or other 1U, 2U, or 3U CubeSats combination up to a maximum volume of 3U.

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Future projects

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QB50 is a proposed international network of 50 CubeSats for multi-point, in-situ measurements in the lower thermosphere (90–350 km) and re-entry research. QB50 is an initiative of the Von Karman Institute and is funded by the European Commission as part of the 7th Framework Programme (FP7). Double-unit (2U) CubeSats (10×10×20 cm) are developed, with one unit (the ‘functional’ unit) providing the usual satellite functions and the other unit (the ‘science’ unit) accommodating a set of standardised sensors for lower thermosphere and re-entry research. 35 CubeSats are envisaged to be provided by universities in 19 European countries, 10 by universities in the US, 2 by universities in Canada, 3 by Japanese universities, 1 by an institute in Brazil, and others. Ten 2U or 3U CubeSats are foreseen to serve for in-orbit technology demonstration of new space technologies.

The Request for Proposals (RFP) for the QB50 CubeSat was released on February 15, 2012. Two “precursor” QB50 satellites were launched aboard a Dnepr rocket on June 19, 2014. All 50 CubeSats were supposed to be launched together on a single Cyclone-4 launch vehicle in February 2016, but due to the unavailability of the launch vehicle, 40 satellites are now planned to be launched aboard Cygnus CRS OA-7 in March 2017 and subsequently deployed from the ISS. Eight other cubesats have been manifested on two further Dnepr flights but the availability of this launcher has been in doubt since its last flight in 2015.

2018 InSight mission: MarCO CubeSats

The May 2018 launch, of the InSight stationary lander to Mars, will include two CubeSats to flyby Mars to provide additional relay communications from InSight to Earth during entry and landing. This will be the first flight of CubeSats in deep space. The mission CubeSat technology is called Mars Cube One (MarCO), a six-unit CubeSat, 14.4 inches (36.6 centimeters) by 9.5 inches (24.3 centimeters) by 4.6 inches (11.8 centimeters). MarCo is an experiment, but not necessary for the InSight mission, to add relay communications to space missions in important time durations, in this landing from the time of InSight atmospheric entry and landing.

MarCO will launch in May 2018 with the InSight lander and will separate after launch and then travel in their own trajectories to Mars. After separation, MarCO will deploy two radio antennas and two solar panels. The high-gain, X-band antenna is a flat panel to direct radio waves. MarCO will navigate to Mars independently from the InSight lander, making their own course adjustments on the flight.

During InSight’s planned entry, descent and landing (EDL) in November 2018, the lander will transmit information in the UHF radio band to NASA’s Mars Reconnaissance Orbiter (MRO) flying overhead. MRO will forward EDL information to Earth using a radio frequency in the X band, but cannot simultaneously receive information in one band if transmitting on another. Confirmation of a successful landing could be received on Earth several hours after, so MarCO would be a technology demonstration of real-time telemetry during the landing.

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InSight lander with labeled instruments

Sources: Wikipedia and National Geographic


Posted December 16, 2016 by markosun in Uncategorized

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Introducing The Robot Chair: Going to Shave Hours Off Office Cleaning Staff Toil   Leave a comment


No this isn’t what we mean.

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Posted February 25, 2016 by markosun in Uncategorized

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The Eclectic World of Gumball Machines   Leave a comment


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Posted February 9, 2016 by markosun in Uncategorized

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Cyber Attackers   Leave a comment


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Professional hackers, either working on their own or employed by the government or military service, can find computer systems with vulnerabilities lacking the appropriate security software. Once found, they can infect systems with malicious code and then remotely control the system or computer by sending commands to view content or to disrupt other computers. There needs to be a pre-existing system flaw within the computer such as no antivirus protection or faulty system configuration for the viral code to work. Many professional hackers will promote themselves to cyberterrorists where a new set of rules govern their actions. Cyberterrorists have premeditated plans and their attacks are not born of rage. They need to develop their plans step-by-step and acquire the appropriate software to carry out an attack. They usually have political agendas, targeting political structures. Cyber terrorists are hackers with a political motivation, their attacks can impact political structure through this corruption and destruction. They also target civilians, civilian interests and civilian installations. As previously stated cyberterrorists attack persons or property and cause enough harm to generate fear.

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Posted February 5, 2016 by markosun in Uncategorized

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The rise and fall of the Boombox   Leave a comment


Boombox is a common term for a portable cassette or CD player with two or more loudspeakers and a carrying handle. Other commonly used terms are ghetto blaster, stereo, jambox, boomblaster, Brixton briefcase, and radio-cassette. A boombox is a device typically capable of receiving radio stations and playing recorded music (usually cassettes or CDs, usually at a high volume).

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The first boombox was developed by the inventor of the audio compact cassette, Philips of the Netherlands. Their first ‘Radiorecorder’ was released in 1966. The Philips innovation was the first time that radio broadcasts could be recorded onto cassette tapes without the cables or microphones that previous stand-alone cassette tape recorders required. Although sound quality of early tape recordings was poor, improvements in technology and the introduction of stereo recording, chromium tapes, and noise reduction made hifi quality devices possible. Several European electronics brands, such as Grundig, also introduced similar devices.

Boomboxes were soon also developed in Japan in the early 1970s and became popular there due to their compact size and impressive sound quality. The Japanese brands soon took over a large portion of the European boombox market and were often the first Japanese consumer electronics brands that a European household might purchase. The Japanese innovated by creating different sizes, form factors, and technology, introducing such advances as stereo boomboxes, removable speakers, in-built TV receivers, and inbuilt CD players.

The boombox was introduced to the American market during the mid-1970s, with the bulk of production being carried out by Panasonic, Sony, Marantz, and General Electric. It was immediately noticed by the urban adolescent community and soon had a large market, especially in metropolitan centers such as New York, Los Angeles, and Washington D.C.

The earlier models were a hybrid that combined the booming sound of large in-home stereo systems and the portability of small portable cassette players; they were typically small, black or silver, heavy, and capable of producing high volumes. The effective AM/FM tuner the coupling of devices such as microphones and turntables.

The development of audio jacks brought the boombox to the height of its popularity, and as its popularity rose, so did the level of innovation in the features included in the box. Consumers enjoyed the portability and sound quality of boomboxes, but one of the most important features, especially to the youth market, was the bass. The desire for louder and heavier bass led to bigger and heavier boxes.

Regardless of the increasing weight and size, the devices continued to become larger to accommodate the increased bass output; newer boombox models were affixed with heavy metal casings to handle the vibrations from the bass.

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The 1990s were a turning point for the boombox in popular culture. The rise of the Walkman and other advanced electronics eliminated the need to carry around such large and heavy audio equipment, and boomboxes quickly disappeared from the streets. As boombox enthusiast Lyle Owerko puts it, “Towards the end of any culture, you have the second or third generation that steps into the culture, which is so far from the origination, it’s the impression of what’s real, but it’s not the full definition of what’s real. It’s just cheesy.” The Consumer Electronics Association reported that only 329,000 boombox units without CD players were shipped in the United States in 2003, compared to 20.4 million in 1986.

Although many boomboxes had dual cassette decks and included dubbing, line, and radio recording capabilities, the rise of recordable CDs, the decline of audio cassette technology, and the popularity of high-density MP3 players and smart phones have reduced the popularity of high-quality boomboxes to such an extent that it is difficult to find a new dual-decked stereo. Dubbing remains popular among audiophiles, bootleggers, and pirates, though most tasks are now accomplished through digital means or analog-to-digital conversion technology.

Starting in mid-2010, there are new lines of boomboxes that use Bluetooth technology known as Stereo Bluetooth, or A2DP (Advanced Audio Distribution Profile). They use the wireless Bluetooth technology to “stream” audio to the boombox from a compatible Bluetooth device, such as a mobile phone or Bluetooth MP3 player. An example of this is the JAMBOX, which is marketed as a “Smart Speaker” as it can also function as a speakerphone for voice calls in addition to being an audio playback device.

Are they coming back?

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Posted December 31, 2015 by markosun in Uncategorized

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More Screen Instructions on How to Live Life   Leave a comment


If they build it, they will buy it.

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Scrub the front, quickly hit the back, rinse and call it a day. I’ll come clean about it: I don’t spend more than an average of 30 seconds brushing my teeth. Unless, of course, I’ve got a dentist appointment coming up, then I’ll work on them for a minute or two.

But this past week I’ve attempted to brush up my act—or at least my teeth—with Oral-B’s SmartSeries Bluetooth toothbrush. Nope, not even the centuries-old toothbrush is safe from smartphone connectivity, thanks to the Internet of Things typhoon that’s sweeping through household electronics.

The new electric toothbrush, starting at $160, is now on sale in parts of Europe and is coming to the U.S. this fall. The brush pairs with your iPhone or Android phone to coach you through your brushing regimen. It gives you feedback about your brushing habits with the grand goal of getting you to brush for the dentist-recommended, though seemingly interminable, two minutes.

“Really? Hasn’t this gone a little too far? What’s next, connected toilet paper?” I can hear you asking yourself. There’s no doubt that this seems like another “Do we really need this?” product. But it’s great for people like me who have outgrown bubble-gum-flavored toothpaste and Justin Bieber singing toothbrushes. The brush and its app have had me so engaged that I’ve tripled my usual brushing time.

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The less time for free thinking, the less creative the world gets. Think about that without looking at the screen.

A couple waits to participate in a staged mass wedding, organised as part of a matchmaking event to inspire singles to get married, in a suburban area of Shanghai May 18, 2013. As couples celebrate the "Qixi" festival on Tuesday, the Chinese equivalent of Valentine's Day, millions of women face stark choices in a society where traditional ideas about matrimonial hierarchy run up against huge economic and social changes sweeping the world's most populous country. There are plenty of men to go round among China's nearly 1.4 billion people but social status can conspire against single professional women, sometimes making it difficult to find a partner. Picture taken May 18, 2013. REUTERS/Carlos Barria (CHINA - Tags: SOCIETY) ATTENTION EDITORS: PICTURE 29 OF 31 FOR PACKAGE 'CHINA - LOVE AND MARRIAGE'. SEARCH 'BARRIA MARRIAGE' FOR ALL IMAGES - RTX12JAA

Why do we have to be so absorbed with the little screen?  Can’t people think freely and spontaneously without needing to be focused on some trivial nonsense? Like all the time!

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You need software to help you brush your teeth, what’s next? Timing your craps? Which hand to use when scratching your balls?  This is getting very ridiculous.

I realize I just pissed off all the addicted screen clone zombies.

 

This is the future. Why is everybody not looking at the devices?

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Posted December 13, 2015 by markosun in Uncategorized

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Nazis UFOs are coming!!   Leave a comment


In Ufology, conspiracy theory, science fiction, and comic book stories, claims or stories have circulated linking UFOs to Nazi Germany. The German UFO theories describe supposedly successful attempts to develop advanced aircraft or spacecraft prior to and during World War II, and further assert the post-war survival of these craft in secret underground bases in Antarctica, South America, the United States or the Moon, along with their creators. According to these theories and fictional stories, various potential code-names or sub-classifications of Nazi UFO craft such as Rundflugzeug, Feuerball, Diskus, Haunebu, Hauneburg-Gerät, V7, Vril, Kugelblitz (not related to the self-propelled anti-aircraft gun of the same name), Andromeda-Gerät, Flugkreisel, Kugelwaffe, and Reichsflugscheibe have all been referenced.

Some UFO sightings during World War II, particularly those known as foo fighters, were thought by the Allies to be prototype enemy aircraft designed to harass Allied aircraft through electromagnetic disruption; a technology similar to today’s electromagnetic pulse (EMP) weapon.

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Posted November 29, 2015 by markosun in Uncategorized

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Vladimir Putin’s New War Room makes Dr. Strangelove War Room look Puny   Leave a comment


Washington Post

Vladimir Putin’s massive, triple-decker war room revealed

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MOSCOW — “Gentlemen. You can’t fight in here. This is the war room!”

It could have been a scene straight out of “Dr. Strangelove” when President Vladimir V. Putin stepped into the Russian Ministry of Defense’s brand new, three-tiered, multibillion-dollar control center this week, for a war briefing that had its fair share of movie-like pageantry.

The fortified National Control Defense Center was Putin’s first stop after officials confirmed that the Russian charter jet crash that claimed 224 lives last month was the result of an act of terror.

On movie-theater-size screens, live broadcasts showed long-range strategic bombers taking off from Russian air bases to fly sorties over Syria. Putin instructed commanders in Syria to “make contact with the French and work with them as allies” as Russia seeks a central role in a proposed anti-terrorist coalition.

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But the real star of the show may have been the building itself, which is designed to be a new nerve center for the Russian military that will coordinate military action around the world, including ballistic missile launches and strategic nuclear deployments.

The building is roughly the equivalent of the U.S. National Military Command Center used by the Pentagon, but as one Russian state news agency noted in a breathless headline this week, “Russian Defense Data Center Outperforms US Facility Threefold: Official.”

The center, which is fortified and said to sit on top of a maze of underground tunnels, is on the Frunze Naberezhnaya on the left bank of the Moscow river, a little over two miles from Red Square.

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It was finished in 2014 and is part of a massive, decade-long modernization of Russia’s army, which has cost hundreds of billions of dollars, but has also produced noted improvements, from the expertise of Russian troops deployed during the Crimea operation to the recent cruise missile strikes launched from the Caspian Sea.

The new national defense center also includes a helicopter pad that was deployed on the Moscow River late last year and can accommodate Russia’s Mi-8 transport helicopter. In case of a war, it would be the country’s premier communications center, and one Russian commander compared it to the military headquarters of the Soviet Union during World War II.

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Another room with a large round table and more giant monitors.

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Minister of Defense Sergei Shoigu said that the center is a step toward “forming a single information space for solving tasks in the interests of the country’s defense.”

As Worldviews noted during Russia’s International Army Games in August, Russia’s military has sought to raise its public profile through savvy media branding.

At the briefing, army personnel sat in color-coded rows with matching headsets and water bottles bearing the Russian army brand (their flagship store recently opened on Tverskaya Street here, Moscow’s equivalent of Fifth Avenue). The briefing was covered on Russian national television from at least four distinct camera angles.

Andrei Kolesnikov, a reporter who has covered Putin for the past 15 years and is known for his lyrical, fawning reports of the Russian president, waxed introspective as he covered the briefing Tuesday.

“When this building and this room were opened a year ago, I was somewhat perplexed: Yes, it all looks very persuasive, and the Pentagon might even only dream of something like this, if only in a nightmare. But why? Who will need these screens the size of small soccer fields with grandstands for viewers?

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“And here was the answer. Every spot was filled. Russia’s entire high army command were the viewers. Or was it like the warming bench, and at any moment everyone was ready to go on the field …”

Later in the piece, he added: “My soul of course was not filled with delight and trembling at the hellish power of this armada. But I was perturbed, yes, I was.”

The War Rooms from the movies take a backseat to this giant high-tech cavern.

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‘You Only Live Twice”, James Bond.

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Posted November 26, 2015 by markosun in Uncategorized

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They want to believe. Man thinks he saw Giant UFO while in airliner over Nevada desert.   Leave a comment


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Some imaginative fellow was on an airplane flying over Nevada when he was sure he saw a giant UFO below the airplane.  It was massive and giving off extremely bright lights. The guy must have thought Earth was under alien attack.

He took some photos below:

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The “I want to believe” UFO community was abuzz when they saw the photos.  Maybe some real evidence that the little green bastards do exist!  But then a skeptic pointed out that the sighting was almost 99.999 percent a solar energy facility in the desert.

The Ivanpah Solar Electric Generating System is a concentrated solar thermal plant in the California Mojave Desert, 64 km (40 miles) southwest of Las Vegas, with a gross capacity of 392 megawatts (MW). It deploys 173,500 heliostats, each with two mirrors, focusing solar energy on boilers located on three centralized solar power towers. Unit 1 of the project was connected to the grid in September 2013 in an initial sync testing. The facility formally opened on February 13, 2014, and it is currently the world’s largest solar thermal power station.

There are ten huge Solar Generating facilities in the Mojave Desert.  The airplane passenger should have done some research before he came to a UFO conclusion.

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173,500 of these heliostats (mirror reflectors).

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Posted November 26, 2015 by markosun in Uncategorized

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Blue Origin’s Successful Space Launch and Recovery of New Shepard Spacecraft   Leave a comment


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Blue Origin is an American privately-funded aerospace developer and manufacturer set up by Amazon.com founder Jeff Bezos. The company is developing technologies to enable private human access to space with the goal of dramatically lower cost and increased reliability. It is employing an incremental approach from suborbital to orbital flight, with each developmental step building on its prior work. The company motto is “Gradatim Ferociter”, Latin for “Step-by-Step, Ferociously”. Blue Origin is developing a variety of technologies, with a focus on rocket-powered Vertical Takeoff and Vertical Landing (VTVL) vehicles for access to suborbital and orbital space. The company’s name refers to the blue planet, Earth, as the point of origin.

Initially focused on sub-orbital spaceflight, the company has built and flown a testbed of its New Shepard spacecraft design at their Culberson County, Texas facility. The first developmental test flight of the New Shepard was April 29, 2015. The uncrewed vehicle flew to its planned test altitude of more than 307,000 feet (93,500 meters) and achieved a top speed of Mach 3.

Late 2014 public announcements, and a contractual agreement to build a new rocket engine for major US launch system operator United Launch Alliance (ULA), have put Blue Origin into the middle of the orbital spaceflight technology business, as a rocket engine supplier.

In September 2015, Blue Origin announced plans to manufacture and fly its orbital launch vehicle from the Florida Space Coast.

As of April 2015, ULA is also considering the BE-3 for use in a new second stage—the Advanced Cryogenic Evolved Stage (ACES)—which will become the primary upper stage for ULA’s Vulcan orbital launch vehicle in the 2020s. The Vulcan will begin orbital flights in 2019 with an existing Centaur upper stage, and is considering three engines from various manufacturers for the ACES stage which would begin flight in 2023

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New Shepard launch November 23, 2015

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The New Shepard is a fully-reusable, vertical takeoff, vertical landing (VTVL) space vehicle composed of two principal parts: a pressurized crew capsule and a booster rocket that Blue Origin calls a propulsion module. The New Shepard is controlled entirely by on-board computers, without ground control.

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The pressurized crew capsule can carry six persons, and supports a “full-envelope” launch escape system that can separate the capsule from the booster rocket anywhere during the ascent. Interior volume of the capsule is 15 cubic meters (530 cu ft).

 

 

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Propulsion module

The New Shepard propulsion module is powered using a Blue Origin BE-3 bipropellant rocket engine burning liquid hydrogen and liquid oxygen, although some early development work was done by Blue Origin on engines operating with other propellants: the BE-1 engine using monopropellant hydrogen peroxide; and the BE-2 engine using high-test peroxide oxidizer and RP-1 kerosene fuel.

 

 

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The New Shepard system will take astronauts to space on suborbital journeys.

It includes a Crew Capsule carrying six astronauts atop a separate rocket-powered Propulsion Module, launched from the firm’s West Texas Launch Site.

Following liftoff, the combined vehicles accelerate for approximately two and a half minutes.

The Propulsion Module then shuts off its rocket engines and separates from the Crew Capsule. The Propulsion Module will finish its flight, descend to Earth, and autonomously perform a rocket-powered vertical landing.

The Crew Capsule will go on to coast to the edge of space, providing astronauts with a view to the curvature of the Earth and the beauty of our planet.

After descent and re-entry into Earth’s atmosphere, the Crew Capsule will land under parachutes no more than a few miles from the launch site.

In addition, the New Shepard vehicle will provide opportunities for researchers to fly experiments into space and a microgravity environment.

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The first flight of the New Shepard vehicle was conducted on 29 April 2015 during which an altitude of 93,500 meters (307,000 ft) was attained. While the test itself was deemed a success and the capsule was correctly recovered via parachute landing, the booster stage landing failed because hydraulic pressure was lost during the descent.

In September 2015, a deal with NASA meant they would now launch from complex 36 at Cape Canaveral.

A second test flight of New Shepard was carried out on 23rd November 2015 reaching 100.5Km altitude with successful recovery of both capsule and booster stage.

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Posted November 25, 2015 by markosun in Uncategorized

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