Posts Tagged ‘Technology’

Son of Hubble — getting expensive

September 18, 2010

Successor to Hubble, the James Webb Space Telescope is now slated for launch in 2014. The $5 billion mission is once again plagued by cost overruns.

Science News reports:

How can astronomers advise NASA on how to trim the costs of developing missions if no one will tell them how much the costliest mission of all, the James Webb Space Telescope, is running over budget?

That’s what Alan Boss, chair of the independent NASA Astrophysics Subcommittee, would like to know. When the subcommittee met in Washington, D.C., on September 16 and 17, Boss and his colleagues already knew that the $5 billion infrared space observatory, the Hubble Space Telescope’s successor now set for launch in 2014, was once again in need of a monetary transfusion.

What Boss wanted to know was how much. But no one in room 3H46 at NASA headquarters was willing to talk dollars and sense — when Boss, an astronomer at the Carnegie Institution for Science in Washington, D.C., asked if anyone in the room could cite a dollar figure, his question was met with a silence as deep as any in the vast empty reaches of intergalactic space.

Fear of making a huge and embarrassing error like the one that produced Hubble Space Telescope’s infamously misshapen primary mirror may be causing JWST scientists and engineers to go overboard and do too much testing, Weiler said. The comprehensive report on JWST due next month, led by John Casani of NASA’s Jet Propulsion Laboratory in Pasadena, Calif., will cite instances where engineers on the mission may be overzealous in testing equipment.

JWST gobbles up about 40 percent of NASA’s astrophysics science budget.

Indian Minister: Indian IT companies have created 250,000 jobs in US

September 15, 2010
DAVOS/SWITZERLAND, 27JAN10 - Anand Sharma, Min...

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While it is clearly political positioning just before bilateral trade talks between the US and India to be held next week in India, the “global outsourcing” alarmism is not as one-sided as it is made out by opportunistic politicians.

In my own experience transfer of technology across countries within the same company is more likely to lead to an increase in jobs – but not the same jobs – in the country exporting technology.

The Times of India reports that:

Indian IT companies created 7,000 jobs in the US last month and 2.5 lakh (250,000) jobs over the last three years, commerce minister Anand Sharma has said, indicating that recent protectionist measures taken by the US such as hiking professional visa fees and clamping down on outsourcing could hamper such economic activities.

“In times of crisis, countries tend to look inwards but protection can be counter productive. This is the time to encourage global trade flows,” the minister said on Tuesday. The bilateral trade policy forum meeting scheduled next week to be chaired by Mr Sharma and US trade representative Ron Kirk will focus on both issues.

The minister is optimistic that the issues could be sorted out through discussions. “We remain optimistic about the whole scenario but responses need to be calibrated,” he said.

Read more: Indian IT cos created 7,000 jobs in US in Aug – The Times of India http://timesofindia.indiatimes.com/business/india-business/Indian-IT-cos-created-7000-jobs-in-US-in-Aug/articleshow/6557684.cms#ixzz0zaEmNB00

Of course it was not so very long ago when US and EU trade officials were berating India, China and other developing countries about the sins of protectionism and closed markets. With the growth in India and China now leading the way out of recession it would be wiser to keep global trade flows open rather than to wave the protectionist flag.

Reality Check:Since 2008 US constructing 17.9 GW of coal power

September 14, 2010
Hunter Power Plant, a coal-fired power plant j...

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An Associated Press examination of U.S. Department of Energy records and information provided by utilities and trade groups shows that more than 30 traditional coal plants have been built since 2008 or are under construction.

“Building a coal-fired power plant today is betting that we are not going to put a serious financial cost on emitting carbon dioxide,” said Severin Borenstein, director of the Energy Institute at the University of California-Berkeley.

Sixteen large plants have fired up since 2008 and 16 more are under construction. Combined, they will produce an estimated 17,900 megawatts of electricity.

Carbon-neutralizing technologies for coal plants remain at least 15 to 20 years away.

Once the carbon dioxide hysteria dies away – as it surely will – the misguided and wasted effort on carbon sequestration can be redirected to real issues connected with power generation. These are the mundane but practical though unfashionable fields of development – such as energy storage, small scale distributed use of wind power sources (since they cannot ever provide base-load), increase of efficiency for conventional coal and gas plants, integration of solar- thermal contributions into fossil plant to get continuous sustainable generation, mini-hydro (run of the river) power and distributed micro-hydro plants. Subsidies wasted on renewables can also be redirected to more fruitful areas.

Anthracite coal, a high value rock from easter...

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Coal has not gone away.

Microbes ate the BP oil plume

September 12, 2010

There is still some oil left of course but “the micro-organisms were apparently stimulated by the massive oil spill that began in April, and they degraded the hydrocarbons so efficiently that the plume is now undetectable, said Terry Hazen of Lawrence Berkeley National Laboratory”. These so-called proteobacteria — Hazen calls them “bugs” — have adapted to the cold deep water where the big BP plume was observed and are able to biodegrade hydrocarbons much more quickly than expected, without significantly depleting oxygen as most known oil-depleting bacteria do. Long before humans drilled for oil, natural oil seeps in the Gulf of Mexico have put out the equivalent of an Exxon Valdez spill each year, Hazen said.

NewsDaily reports that “A Manhattan-sized plume of oil spewed deep into the Gulf of Mexico by BP’s broken Macondo well has been consumed by a newly discovered fast-eating species of microbes”.

http://www.mcclatchydc.com/2010/07/13/97433/heres-some-hope-for-gulf-spill.html

The hysteria surrounding the BP accident (almost as if it had been intentionally engineered) has focused on the photo opportunities presented by oil-coated birds and beaches and has almost obscured the fact that 11 people were killed. The accident has been dubbed “the greatest environmental disaster ever” and has been used as evidence of the evils of technology. It has not suited the environmental “do gooders” to acknowledge that “green” activities cause more damage in the Gulf of Mexico than accidental oil spills.

In the media, blame and the allocation of blame has been the order of the day rather than  analysis of the mistakes made and the engineering and technical lessons to be learnt.

That doesn’t mean there is no oil left from the 4.9 million barrels of crude that spilled into the Gulf after the April 20 blowout at BP’s Deepwater Horizon rig. The U.S. government estimated on August 4 that 50 percent of the BP oil is gone from the Gulf and the rest is rapidly degrading.

Wind Turbine blades a security threat?

August 31, 2010

Wind turbines are not without their problems –they are expensive, have to be shut down for strong winds, don’t like freezing weather, need back-up, weaken the grid they are connected in to, are dangerous to transport, can be very noisy and can be dangerous for large birds.

In addition it seems they pose a threat to the military.

The New York Times reports that Dr. Dorothy Robyn, deputy under secretary of defense, has declared that wind turbines pose an unacceptable risk to national security and military training in some areas–because  moving turbine blades can cause “blackout zones” where planes disappear from radar. And in certain cases,  turbine blades are indistinguishable from approaching planes.

http://graphics8.nytimes.com/images/2008/08/19/timestopics/windpower_395.jpg

Moving turbine blades can be indistinguishable from airplanes on many radar systems, and they can even cause blackout zones in which planes disappear from radar entirely. Clusters of wind turbines, which can reach as high as 400 feet, look very similar to storm activity on weather radar, making it harder for air traffic controllers to give accurate weather information to pilots.

Although the military says no serious incidents have yet occurred because of the interference, the wind turbines pose an unacceptable risk to training, testing and national security in certain regions, Dr. Dorothy Robyn, deputy under secretary of defense, recently told a House Armed Services subcommittee.

In 2009, about 9,000 megawatts of proposed wind projects were abandoned or delayed because of radar concerns raised by the military and the Federal Aviation Administration, according to a member survey by the American Wind Energy Association. That is nearly as much as the amount of wind capacity that was actually built in the same year, the trade group says.

As a result of the military’s opposition, Horizon Wind Energy recently withdrew three project applications in the area. AES Wind Generation said it found out in May, after nine years of planning, that the military had objections to its proposal to build a 82.5-megawatt, 33-turbine wind farm.

Wind Power apart from its cost and technical issues is not as benign as it might seem.


Applying Asimov’s Laws of Robotics

August 21, 2010

Isaac Asimov published his first short story about robotics in 1942 and his I Robot in 1950. The three laws of robotics he developed have now become the de facto basis for most science fiction dealing with robots and even in engineering:

First Law: A robot may not injure a human being, or, through inaction, allow a human being to come to harm, unless this would violate a higher order law.
Second Law: A robot must obey orders given it by human beings, except where such orders would conflict with a higher order law.
Third Law: A robot must protect its own existence as long as such protection does not conflict with a higher order law.

image: http://www.geekalerts.com/u/toyota-robots.jpg

Later as Asimov integrated his Robot series with his Foundation series he added a Zeroth Law:

Zeroth Law: A robot may not injure humanity, or, through inaction, allow humanity to come to harm.

A modern counterpart to Asimov’s fictional character is Eliza. Eliza was created in 1966 by Professor Joseph Weizenbaum of Massachusetts Institute of Technology who wrote Eliza — a computer program for the study of natural language communication between man and machine. She was initially programmed with 240 lines of code to simulate a psychotherapist by answering questions with questions.

Robotics and robot design has now advanced to the stage that engineers are now having to re-look at Asimov’s laws for practical implementation. David Woods, professor of integrated systems engineering at Ohio State University says “The philosophy has been, ‘sure, people make mistakes, but robots will be better — a perfect version of ourselves.’ We wanted to write three new laws to get people thinking about the human-robot relationship in more realistic, grounded ways.” He addresses the practical issues in his article: Beyond Asimov: The Three Laws of Responsible Robotics in IEEE Intelligent Systems by Robin Murphy , David D. Woods, July 2009, pp. 14-20. “Go back to the original context of the stories,” Woods says, referring to Asimov’s I Robot among others. “He’s using the three laws as a literary device. The plot is driven by the gaps in the laws — the situations in which the laws break down. For those laws to be meaningful, robots have to possess a degree of social intelligence and moral intelligence, and Asimov examines what would happen when that intelligence isn’t there.”

“His stories are so compelling because they focus on the gap between our aspirations about robots and our actual capabilities. And that’s the irony, isn’t it? When we envision our future with robots, we focus on our hopes and desires and aspirations about robots — not reality.”

In reality, engineers are still struggling to give robots basic vision and language skills. These efforts are hindered in part by our lack of understanding of how these skills are managed in the human brain. We are far from a time when humans can agree on a universal ethical or moral code and even further away from imbuing such a code into robots.

Woods and his coauthor, Robin Murphy of Texas A&M University, composed three laws that tries to put the responsibility back on humans.

The three new laws that Woods and Murphy propose are:

  • A human may not deploy a robot without the human-robot work system meeting the highest legal and professional standards of safety and ethics.
  • A robot must respond to humans as appropriate for their roles.
  • A robot must be endowed with sufficient situated autonomy to protect its own existence as long as such protection provides smooth transfer of control which does not conflict with the First and Second Laws.

Woods admits that one thing is missing from the new laws: the romance of Asimov’s fiction — the idea of a perfect, moral robot that sets engineers’ hearts fluttering.

Wind Power Sector struggles

August 21, 2010

Wind Power is still a long way from being commercial and is  still critically dependent upon subsidies. Austerity packages resulting from the financial crisis have sharply reduced subsidy programs and there have been a spate of cancelled and delayed projects. There is also some disillusionment evident as wind turbines demonstrated their weaknesses during the last cold winter when many had to be shut down in Europe for fear of ice on the turbine blades. The requirement for back-up power and the instability they add to the grid has not helped either. The Spanish support for renewables has dried up as the financial crisis has hit hard.

An injection of realism and common sense to the the use of renewable energy is long overdue. Wind and Solar and tidal and geothermal energies all have their place but they will not – and cannot – provide the base load power generation that coal, nuclear and hydro power have provided.

The FT reports that shares in Vestas Wind Systems lost more than a fifth of their value on Wednesday after the world’s largest wind turbine manufacturer slumped to its second consecutive quarterly loss and cut its profit guidance for the year.

image: http://www.pcdistrict.com/modules/productcatalog/product_images/132027-Windmill-3D-Screensaver.jpg

image. http://37signals.com/svn/images/dutch_windmill.jpg

Vestas warned that some expected orders from Europe and the US had been delayed as banks take longer to approve financing and deficit-laden governments review their support for wind power. Analysts highlighted regulatory uncertainty in Spain, which recently cut subsidies for renewable energy as part of its fiscal austerity programme, and the US, where legislation to promote clean energy has stalled on Capitol Hill. Low natural gas prices, caused in part by the surge in supplies from newly exploited US shale gas reserves, was another factor deterring investment in more costly renewable energy, analysts said.

New wind power installation in the US declined by more than two-thirds in the first half and fell below new coal power capacity for the first time in five years.

Increasing whiskey production can save the environment

August 21, 2010

By-products from distilling whiskey produce a biofuel with 30% more power output than ethanol !

Using samples from the Glenkinchie Distillery in East Lothian, researchers at Edinburgh Napier University have developed a method of producing biofuel from two main by-products of the whisky distilling process – “pot ale”, the liquid from the copper stills, and “draff”, the spent grains. The new method developed by the team produces butanol, which gives 30% more power output than the traditional biofuel ethanol. It is based on a 100-year-old process that was originally developed to produce butanol and acetone by fermenting sugar. The team has adapted this to use whiskey by-products as a starting point and has filed for a patent to cover the new method. It plans to create a spin-out company to commercialise the invention. Butanol is superior to ethanol — with 25 – 30% t more energy per unit volume. The biofuel can also be introduced to unmodified engines with any gasoline blend, whereas ethanol can only be blended up to 85 percent and requires engine modification.

Read more:http://solveclimate.com/blog/20100817/scottish-scientists-develop-whisky-biofuel

Professor Martin Tangney, who directed the project said that using waste products was more environmentally sustainable than growing crops specifically to generate biofuel. “What people need to do is stop thinking ‘either or’; people need to stop thinking like for like substitution for oil. That’s not going to happen. Different things will be needed in different countries. Electric cars will play some role in the market, taking cars off the road could be one of the most important things we ever do.”

“The production of some biofuels can cause massive environmental damage to forests and wildlife. So whisky powered-cars could help Scotland avoid having to use those forest-trashing biofuels,” said Dr Richard Dixon, of WWF Scotland.

“DRINK IT and then DRIVE IT” has a nice ring to it and  is something I could enjoy supporting.

IBM is second largest private employer in India

August 18, 2010

In 2006 IBM had 53,000 employees in India which grew to 73,000 employees in 2007. Since then, the company has maintained that it is a global company and geographic numbers do not have any meaning in that context. In 2010 IBM employees in India exceeded 100,000 and may be as many as 130,000.

IBM still employs the most people in the US but almost one in three of IBM’s total workforce of over 400,000 is now in India.

http://www.accessnorthga.com/img/stories/205230/ibm-india_medium.jpg

The Times of India reports that

The fact that IBM has over one lakh (100,000)  people on its rolls in this country is one of India Inc’s best-kept secrets.
Tata Consultancy Services is the largest private sector employer in the country. It had 163,700 employees as on June 30.

No one in US-headquartered IBM will admit that it employs such a large number of people in India — for fear of a backlash at home. There’s been rising anger in the US over the transfer of `American jobs’ to lower cost havens, particularly India. Faced with an economic slowdown and a politically-damaging high employement rate, Barack Obama himself has begun to sound jingoistic. He has issued barely-veiled threats against US companies that ship out work and promised candies to those who stay patriotic.Even as an IBM spokesperson declined comment when contacted, a source within the company said that in a couple of years, the India employee strength could cross that in the US, where it employs about 1,55,000 people, and where the pace of hiring is substantially slower than in India. IBM globally has a little over 4,00,000 employees. So, close to 1 in 3 of its employees is already an Indian.

Its staff strength is more than four times that of India’s biggest private sector company, Reliance Industries, which employs about 23,000 people. It is bigger than the combined employee base of the two Tata Group’s crown jewels, Tata Steel (81,000) and Tata Motors (24,000).

A cross-section of industry analysts and manpower recruitment firms TOI spoke with not only put IBM’s India workforce (including that of its wholly-owned subsidiary IBM Daksh) at over one lakh, some even went to the extent of saying it might be 1.3 lakh — well over Infosys’ 1.14 lakh as on June 30. Infosys is India’s second largest IT firm by revenue and third, it now transpires, by employees.

Since 2007, the company has stopped disclosing the geographic break-up of its employee numbers. The last time it provided figures was in 2007, when it said it had 73,000 employees in India. Since then, the company has maintained that it’s a global company and geographic numbers do not have any meaning in that context.
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Hayabusa returns — Ion engine spacecraft back after 7 years

August 4, 2010

The Japanese asteroid exploration spacecraft Hayabusa returned miraculously on 13th June from a seven-year, trouble-filled journey  powered by ion engines.

Hayabusa’s main engine failed due to fuel leaks, but the probe was able to complete its odyssey by relying on ion engines developed by  NEC. The Japanese firm’s unique method of using microwaves can extend the lifespan of an ion engine to more than twice that of conventional engines. Hayabusa’s successful return “has boosted the credibility of ion engines,” an NEC official said.

image: http://www.jpl.nasa.gov/missions/missiondetails.cfm?mission=Hayabusa

Japan is planning for the launch of the “Hayabusa-2” asteroid probe sometime between July 2014 and 2015.

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