Friday, February 28, 2014
Professor Develops 3D Printer Than Can Build A House In 24 Hours
By Allison Geller, Thu, February 27, 2014
A researcher has built a huge 3D printer capable of building a house in 24 hours and, possibly, of revolutionizing the construction industry.
Business Insider reports that Professor Behrokh Khoshnevis at the University of Southern California has already built the technology, complete with a nozzle that dispenses concrete. The robot builds a house based on a set computer pattern.
Khoshnevis told MSN that the technology is “basically scaling up 3D printing to the scale of building.” Dubbed Contour Crafting, the robot replaces construction workers with its super-efficient capacities, which can churn out a 2,500-square-foot home in just a day.
The printer will not eliminate jobs, Khoshnevis said, but ultimately create them. And it could provide people around the world with affordable housing.
“At the dawn of the 21st century [slums] are the condition of shelter for nearly one billion people in our world,” said Khoshnevis. “These buildings are breeding grounds for disease a problem of conventional construction which is slow, labor intensive and inefficient.”
As Khoshenevis pointed out, buildings are about the only things these days that have to be constructed by hand. Construction is a slow, laborious, expensive, and dangerous process. The Iranian-born professor foresees workers laying down rails for the robot to operate — and letting the computer take over. The nozzle would spray concrete to create hollow walls, then fill the walls with additional concrete. Manpower would be required “to hang doors and insert windows.”
Khoshenevis even shipped off a prototype to NASA back in 2005, according to an article inDiscover magazine. The agency wants to explore the possibilities of constructing buildings on the moon from lunar dust.
Tuesday, February 25, 2014
MB: Syabas has no plan on water woes, so S'gor acts
Oriole: There are two issues here: firstly, this is an example of how the people are held to ransom as a result of government's rampant privatisation of essential services to cronies.
Secondly, this dependency on cronies is precisely a form of mutual back-scratching, as in this case to punish ‘errant’ states that fail to return BN to power.
Syabas is working against the interest of the people and of the nation. They should be charged for gross negligence.
Name and shame this company in the international media as an example of how utterly wrong privatisation can be and why essential services should be for the people and not for government cronies. This is a supreme example of a massive failure.
Chiew Eng Ng: Syabas got so much time to sue Pandan MP Rafizi Ramli for blaming Syabas for keeping tabs on the ammonia levels in the river rather than thinking how to alleviate the suffering of the people.
Syabas only knows how to file for defamation. Is Syabas working to supply water to the public or working with BN to frustrate the people so that they are angry with Selangor government, especially those living nearby and around Kajang area since the Kajang by-election is coming soon?
I smell something fishy - it’s as if the federal government is working with Syabas to engineer a crisis in Selangor. I tell you what, BN, the more you manipulate, the more Pakatan Rakyat will get more support.
Boiling Mud: If there is irrefutable evidence to prove negligence or incompetence on the part of the water concessionaire, can the Selangorians initiate a class suit against the party responsible?
It is shameful that the crisis happens repeatedly and the people have to suffer the such incompetence. This has to end.
Onyourtoes: It is obvious the federal government is using the federal power and the water concessionaires to harass and sabotage the Selangor government and hence the people of Selangor and Wilayah Persekutuan.
Fellow Selangorians and Malaysians, I think we must make a determined effort to wipe out Umno from the surface of the earth forever if Malaysia is to save itself.
It has become blatantly clear they are playing the filthiest politics possible irrespective of the cost imposed and the inconvenience inflicted to the ordinary people. To hell with them.
Chapati: Playing politics with water is like playing with people’s life. Doesn’t Syabas know water plays a very important role in our lives.
The top management is paid millions. Can’t they professionally handle situations like this?
Nusantara: Syabas is incompetent to handle water management. If they cannot handle the crisis, then their management should resign and not let the people suffer.
Also I cannot understand why they need to sue Rafizi as the MP merely gave his views.
Anonymous #41608384: Syabas, is it not your job to monitor ammonia level in the river? So what is your job then? Just sit there and collect money?
Ex-wfw: MB Khalid Ibrahim, I thought one retired engineer had proposed that the water source at Bernam River be pumped and piped to the reservoirs. Why this is not done?
This is both cheaper and more expedient to the state. All those public utilities are indeed piratised to home-grown pirates.
Swipenter: Syabas (read Umno Baru) has a plan. The plan is to disrupt water supply in Selangor as much as they can and then blame it on the Selangor state government.
But then again it may rain cats and dogs in the catchment areas tomorrow spoiling their plans.
Remember how they claim there was a need for water rationing when all the seven dams were full and this was disproved by photos and actual visits by Pakatan lawmakers?
Monday, February 24, 2014
Engineered 'Glue' Helps Wounds Heal Faster
In the movies, superheroes' and vampires' wounds heal so quickly that life-threatening cuts and gashes close up in minutes. These super healing abilities may be out of reach, but researchers in Switzerland have now engineered a substance called a growth factor that makes cuts and broken bones heal more quickly, by remaining near the damaged tissue longer than it would naturally.
This engineered growth factor could benefit people with chronic wounds, including those with diabetesor compromised immune systems, according to the researchers, whose work is detailed in the Feb. 21 issue of the journal Science.
Growth factors are proteins that animals produce naturally; they are at work in processes ranging from fetal development to the healing of cuts and broken bones. When an injury happens, growth factors signal certain types of cells to come to the injury site, and help heal the wound. Skin cells, for example, release growth factors after a cut occurs to stimulate cell growth and the reformation of blood vessels.
Sunday, February 23, 2014
Friday, February 21, 2014
Mark One: World's First Carbon Fiber 3D Printer Now Available for Order
Published: Thursday, Feb. 20, 2014 - 12:07 pm
CAMBRIDGE, Mass., Feb. 20, 2014 --/PRNewswire/ -- Three weeks after unveiling its revolutionary process to 3D print carbon fiber, MarkForged™ has officially released the Mark One™ 3D printer for pre-sale. The Mark One combines the limitless potential of 3D printing with the high-strength of carbon fiber. Its patent pending Composite Filament Fabrication™ (CFF™) process is the first ever to enable 3D printing of continuous carbon fiber. CFF parts are up to 20 times stiffer than ABS plastic, five times stronger, and have a higher strength-to-weight ratio than 6061-T6 aluminum.
"We removed the strength limitations of 3D printed plastic parts," said Greg Mark, founder and CEO of MarkForged. "We designed the Mark One so that your best ideas come to life with the click of a button at your desk. And not just in form, but in function."
This breakthrough enables designers to 3D print functional parts that would otherwise need to be CNC machined.
"The magic is in the printhead," continued Mark. "The Mark One uses a dual extruder system that combines traditional 3D printing and CFF printing within a single part. Designers can choose between lightweight carbon fiber, low-cost fiberglass, or the newly announced Kevlar® for puncture and abrasion resistance. The printer also supports traditional 3D printing (FFF) with nylon and PLA plastic."
The Mark One is available for $4,999 through a limited pre-sale, and will start shipping in the second half of 2014. Visit http://markforged.com for more details.
About MarkForged: MarkForged was founded by an MIT aerospace engineer - the kind of person who loves pushing the envelope. After years of designing and manufacturing high-performance composite race car wings at Aeromotions, Greg Mark realized that he could use 3D printing hardware to automate the composite layup process. He assembled a team of the best and brightest out of MIT, and MarkForged was born.
MarkForged is backed by North Bridge Venture Partners and Matrix Partners.
Watch the story behind the Mark One: http://youtu.be/Y5wjjDBdgeE
Read more here: http://www.sacbee.com/2014/02/20/6175453/mark-one-worlds-first-carbon-fiber.html#storylink=cpy
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