Tuesday, January 24, 2006

Following the return of the Stardust space capsule from its encounter with the Comet Wild 2, NASA scientists have come up with a novel approach to dealing with the samples of “interstellar dust” that have been collected; they want help from the public.

The Stardust spacecraft carried an aerogel-based dust collector, which was exposed to space in varying orientations during different phases of the mission.

Only one side of the collector was exposed towards the stream of particles coming off the Comet Wild 2 during the encounter in 2004, while the other side was used to collect interstellar dust at an earlier point in the spacecraft’s journey.

Although scientists have seen the particles captured from comet Wild 2 when they examined the aerogel, they have not examined any of the particles expected on the other side of the collector due to their smallness. They will be examined after they are found with the help of Stardust@home. It is believed that on the order of 50 interstellar dust particles impacted the aerogel, each now resting inside a tiny crater.

Stardust traveled nearly three billion miles and its mission lasted seven years. At times it was traveling at 8 miles a second. Thats fast enough to go from San Francisco to Los Angeles in one minute.

Stardust set a new all-time record for being the fastest spacecraft to return to Earth, breaking the previous record set in May of 1969 during the return of the Apollo X(10) command module. Don Brownlee of the University of Washington, Seattle said “our spacecraft has traveled further than anything from Earth ever has – and came back. We went half-way to Jupiter to meet the comet and collect samples from it. But the comet actually came in from the outer edge of the solar system, out beyond the orbit of Neptune, out by Pluto.”

In a move similar to some distributed computing projects, the analysis work for the project will be spread among volunteers on the Internet, who are being asked to participate in this scientific undertaking.

Wikinews reporter Jason Safoutin investigated the Stardust@home project, and discussed its goals with one of its founders. Via email, he interviewed David P. Anderson, a founder of the SETI@home project, and one of the creators of the Virtual Microscope which will be used to search for captured particles from interstellar space.

I was wondering If I could get some questions answered or if you could give me some “insider” info for the project. I am aware that you are taking place in the development of the VM (Virtual Microscope)…Could I know more about that?The ‘virtual microscope’ lets you scan through a set of images as if you were turning the focus knob on a microscope. The images are fairly large (about 100 KB each) so it’s important to pre-load the images. While you’re looking through one set of images, the VM is busy downloading the JPEG files for the next set.

At first we thought we’d have to do this with a Java applet or Flash program – something tricky and complicated. My contribution was to point out that it could be done fairly easily using Javascript, and I wrote a prototype of this.

Will this project use the BOINC Platform/Program?

No. We thought about using some parts of BOINC (like the database and web pages for creating “accounts”) but it was easier just to do this from scratch.

How long will the project take?

It depends how many volunteers participate, and how fast they look at the ‘focus movies’. It will probably be just a month or two.

Anyone can join but they have to take a test before they can participate. What will the test include?

Looking at some focus movies and deciding whether they contain a dust particle. Participants see a lot of training examples before they take the test. It’s easy, not like a test in school.

How many will be allowed to participate?

No limit as of now.

When will the project start?

I think in about 2 months. It will take that long to transport the aerogel to the laboratory, and photograph it with the microscope. The software is ready to go.

Will the VM project analyze any of the particles or just look for them?

Stardust@home will only locate the particles. When they are located, they will be cut out of the aerogel and physically analyzed.

Thank you for your time David. And great work on the upcoming project and SETI@home.

Monday, July 11, 2005

Hurricane Dennis regained strength during its north-westerly crossing of the Gulf of Mexico to surge into Florida’s western panhandle near Mobile, Alabama with Category 3 force that packed sustained winds of 120 mph.

Santa Rosa, Okaloosa and Escambia were the first Florida counties hit by the eyewall of the hurricane at 3:25 EDT Sunday afternoon.The small storm eye of the powerful hurricane spared the region more major destruction.

The compact storm picked up travel speed from 14 to 18 mph as it came to within 3 hours of landfall, where the storm’s eye made for the Pensacola Bay. Its strength suddenly dropped from Category 4 before it struck land and moved swiftly inland. It continued to gain speed, traveling at 21 mph, while its strength sapped to Category 2 on a track into the Ohio Valley.

Residents of Fort Walton Beach and Pensacola who remained in the region, were told hours before the storm’s arrival that storm shelters were full, and they were urged to stay home or find other shelter. In Escambia County Florida, officials announced at 2pm they were no longer able to respond to 911 calls for help due to the high winds.

The storm came 10 months after Hurricane Ivan, which struck the panhandle and Mobile Bay region last year. Dennis landed just 50 miles east of Ivan’s, where recovery efforts from that storm were still ongoing. The Dennis landfall matched Ivan’s Category 3 wind speeds.

Power outages were reported in Mobile and across the panhandle. Florida governor Jeb Bush promised in a televised press conference that all efforts to restore power would be done as quickly as possible so that, “people can help themselves” recover from the storm. A hospital administrator at Sacred Heart Hospital in Pensacola said it lost power at 2:30pm, and can operate 60 hours using back-up power generators.

Sunday evening, President Bush declared that Florida has major disaster areas, making the state eligible for FEMA assistance.

In Alabama, interstate highway I-65 was re-routed for northbound traffic only when an evacuation order was issued on Friday, by Governor Riley, for Mobile and Baldwin counties. Northern parts of the state, up into the southern part of Tennessee, were booked full with those who evacuated. A curfew lifted Sunday at 6pm in the city of Mobile.

The Mississippi Gulf Coast region was victim of the Category 5 storm, Hurricane Camille, in 1969.

Saturday, January 6, 2007

An avalanche on U.S. Route 40, which was 100 feet wide and 15 feet deep, has buried many cars, caused other cars to be pushed over the edge of an expressway, and injured eight people, just outside of Denver, Colorado. The avalanche started at 10:30 AM, starting about 12 miles off Interstate 70, and taking three different paths down the mountain before coming to a stop.

“Our crews said it was the largest they have ever seen. It took three paths,” said a spokeswoman for the Colorado Department of Transportation, Stacey Stegman.

All eight (7 adults, 1 minor) have been taken to the St. Anthony Central Hospital in Denver. According to a hospital spokeswoman, all of the victims suffered minor injuries. Seven patients were released on Saturday. There were no casualties.

U.S. route 40 is currently closed to traffic. According to Winter Park spokesman Matt Sugar, there are no plans to close the ski hills. “We’ve gotten calls from all over the country asking if the resort is closed,” he said, “and the answer is no.”

This is the third snow storm to hit the Denver area in three weeks.

Wednesday, January 28, 2009

The British government has announced a £2.3 billion package of aid to attempt to support the country’s car manufacturing industry.

Lord Peter Mandelson, the Secretary of State for Business, Enterprise and Regulatory Reform announced to the House of Lords that the government planned to obtain £1.3 billion from the European Investment Bank for the industry. A further £1 billion loan is available if the industry agrees to invest it in environmentally friendly vehicles.

Mandleson told the Lords that the industry is vital to the British economy, which with “near one million employees from manufacturing to retailing” provides “£10 billion worth of added value to the economy.” However, he stressed that the government was not providing a “blank cheque” and would not provide operating subsidies.

His newly-appointed shadow Kenneth Clarke told the House of Commons that the plans were “pretty small beer” and repeated the Conservative charge that the government was “dithering” in the face of the downturn. Liberal Democrat John Thurso also expressed disappointment in the plans.

Tuesday, February 19, 2008

On Sunday, Wikinews interviewed creator of memorial site LisaMcPherson.org, former Lisa McPherson Trust employee and long time Scientology critic Jeff Jacobsen.

LisaMcPherson.org is a memorial site created in 1997 containing information on her death and the resulting legal case against the Church of Scientology.

Lisa McPherson died in 1995 while in the care of the Church of Scientology. After a car accident, she became mentally unstable. Scientologists removed her from the hospital and placed her in the Introspection Rundown, she died 17 days later while still in care of the Church. She was used as an icon during Project Chanology, the protest of the Church of Scientology by Anonymous. Protesters were pictured with signs that said “Remember Lisa McPherson” and “Ask Scientology Why Lisa McPherson Died”, other protesters had posters with her picture on it.

Wednesday, April 22, 2009

Today is the 39th observance of Earth Day in the northern hemisphere. Earth day is celebrated in Autumn on November 30 in the southern hemisphere. Senator Gaylord Nelson initiated the first Earth Day in April 1970 in the United States, and it is now celebrated by over 1 billion people in over 170 countries worldwide. Earth Day is the biggest environmental event which addresses issues and educates people on environmental awareness on a global scale.

This year, National Aeronautics and Space Administration (NASA) will beam high-definition images to the NASA website and television. By doing so, NASA hopes to increase appreciation of global climate issues. There will also be a Washington exhibit relating to environmental issues viewed from space as well.

At the NASA Marshall Space Flight Center activities will focus on their slogan for Earth Day 2009, “Just One Drop … PRICELESS” and will demonstrate how the Environmental Control Life Support System operates as used on the International Space Staton (ISS).

Amongst the many festivals, WorldFest is a solar powered music celebration held in Los Angeles, California. Buenos Aires will also feature its second Earth Day event featuring a music festival as well.

“We are in a new era of energy innovation,” said Daniel Yergin at a Massachusetts Institute of Technology (MIT) forum. Lithium-ion batteries are providing electric storage solutions for electric cars such as the Chevrolet Volt and the Dodge Circuit EV. Algae fuel is a new form of biofuel, but is still under development.

“Energy Smackdown” was a competitive household activity which compared energy usage between 60 separate households across three cities in or near Boston. The various competitors came up with a variety of innovative methods to cut their carbon footprint, installing solar electric panels, geothermal heat pumps, wind turbines, and using a caulking gun to seal the home from drafts.

“In the average home, 75 percent of the electricity used to power home electronics is consumed while the products are turned off.” is a United States Department of Energy (DOE) estimate.

Miami is installing a smart grid which will use individual household smart meters to allow energy consumers know via a web site, their exact home energy usage. “To me these are prudent and smart investments that will easily pay for themselves. It will show the nation how to address environmental, energy, and economic challenges all at the same time.” said Miami mayor Manny Diaz.

Cal Dooley, CEO of the American Chemistry Council ACC, says the plastic bag industry is prepared to spend US$50 million to revamp their manufacturing facilities and will collect 470 million pounds of recycled plastic every year to make plastic bags of 40% recycled content. The ACC is providing a donation to the Keep America Beautiful environmental organisation, both of whom endorse this new project. The Earth Day Network (EDN) and Natural Resources Defense Council (NRDC) would like to see an end to the use of plastic bags, however. “We don’t want people to use disposable bags. We want people to use reusable bags,” says Darby Hoover of the NRDC.

Calgary researchers will begin field surveys to help save the “Northern Leopard Frog (Rana Pipiens). “Northern Leopard Frogs are threatened in Alberta, but endangered in British Columbia,” said Dr. Des Smith, Primary Investigator and Research Scientist with the Calgary Zoo’s Centre for Conservation Research. “It is essential to develop new monitoring techniques for Northern Leopard” said Breana McKnight, Field Team Leader and Endangered Species Researcher.

The traditional Earth day ceremony of planting trees is garnering further attention in Japan as Koichi Nakatani, the nation’s Tree Planting Father travels from Hokkaido to Okinawa.

Students can take part in an Earth Day photo contest sponsored by the Institute for Global Environmental Strategies which will feature images and scientific student research for the environmental change depicted in each photo submitted.

“Earth Day should be about teaching about the environment every day,” said Sean Mille director of education for EDN, “We emphasize taking action for your classroom, school, district or community.” 25,000 schools across America made use of the environmental curriculum developed by the National Civic Education Project, the Green Schools Campaign and the Educator’s Network. Lesson plans are broad and varied and may focus on water pollution, recycling, composting, using chemistry to convert cafeteria left-overs into biodiesel or ethanol fuel or converting go-carts to operate on biodiesel or ethanol fuels in shop class.