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Kindergarten Students Pedel Their Own Bus to School

Posted on February 8, 2012  Comments (0)

photo of kindergarden students pedaling their bus to school

Dutch kindergarden students pedaling their bus to school

Dutch Kids Pedal Their Own Bus To School

The Dutch are bicycle fanatics. Almost half of daily travel in the Netherlands is by bicycle, while the country’s bike fleet comfortably outnumbers its 16 million people. Devotees of the national obsession have taken the next logical step by launching what is likely the first bicycle school bus.

Built by Tolkamp Metaalspecials, and sold by the De Cafe Racer company, the bicycle school bus (BCO in Dutch) is powered entirely by children and the one adult driver (although there is an electric motor for tough hills). Its simple design has eight sets of pedals for the kids (ages 4 to 12), a driver seat for the adult, and three bench seats for freeloaders. The top speed is about 10 miles per hour, and features a sound system and canvas awning to ward off rainy days.

They have sold 25 of the busses so far for $15,000 each.

Related: Sports Engineering – Germany Looking to Kindergarten for Engineering Future – Engineering a Better World: Bike Corn-Sheller

Underwater Pedestrian Bridge

Posted on December 5, 2011  Comments (7)

photo of a 'bridge' parting the waters to allow pedestrian to pass

The Dutch water line was a series of water based defenses conceived by Maurice of Nassau in the early 17th century, and completed by his half brother Frederick Henry. Combined with natural bodies of water. The line could be used to protect the economic heartland of the Dutch Republic behind difficult to cross water barriers, when in danger.

The Fort de Roovere was part of this defense. In 2010 the fort was renovated and the moat revived with a small extra bit of engineering: a sunken pedestrian “bridge.” Where once engineers used ingenuity to use water to keep people out, now engineers used wood to let people experience the moat while still reaching the fort.

via: Sunken Pedestrian Bridge in the Netherlands Parts Moat Waters Like Moses!

Related: Monitor-Merrimac Memorial Bridge-Tunnel – Monkey Bridge – Quantum Teleportation

Robot Tennis Partners Coming Soon?

Posted on September 12, 2011  Comments (0)

The robots in the video, and many more, are being tested at the Flying Machine Arena at the The Institute for Dynamic Systems and Control, Department of Mechanical and Process Engineering, Swiss Federal Institute of Technology – Zurich.

They also usually have a number of challenging projects available. Qualified, motivated students should visit the Theses/Projects page and contact them to learn more. We need more people working on these types of things so I can have my robot basketball team available when I want to play.

Related: Robot Playing Table Tennis – Robocup 2010, Robot Football – Dolphin Kick Gives Swimmers Edge

Great Furniture for Small Spaces

Posted on November 21, 2010  Comments (8)

Wonderful design from Italy with great space saving furniture. Great design with wonderful engineering provides solutions that are a joy to see and live with. These are not cheap though. New York City distributors of the furniture.

Related: Toyota Engineering Development Process – Honda U3-X Personal Transport – Treadmill Cats: Friday Cat Fun #3 – Engineering Students Design Innovative Hand Dryer

Nearly 45% of the electricity in Portugal Comes From Renewable Sources

Posted on August 11, 2010  Comments (2)

Portugal Gives Itself a Clean-Energy Makeover

Five years ago, the leaders of this sun-scorched, wind-swept nation made a bet: To reduce Portugal’s dependence on imported fossil fuels, they embarked on an array of ambitious renewable energy projects — primarily harnessing the country’s wind and hydropower, but also its sunlight and ocean waves.
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Nearly 45 percent of the electricity in Portugal’s grid will come from renewable sources this year, up from 17 percent just five years ago.
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While Portugal’s experience shows that rapid progress is achievable, it also highlights the price of such a transition. Portuguese households have long paid about twice what Americans pay for electricity, and prices have risen 15 percent in the last five years, probably partly because of the renewable energy program, the International Energy Agency says.

Norway Reduces Infections by Reducing Antibiotic Use

Posted on February 27, 2010  Comments (6)

Norway conquers infections by cutting use of antibiotics

Twenty-five years ago, Norwegians were also losing their lives to this bacteria. But Norway’s public health system fought back with an aggressive program that made it the most infection-free country in the world. A key part of that program was cutting back severely on the use of antibiotics.

Now a spate of new studies from around the world prove that Norway’s model can be replicated with extraordinary success, and public health experts are saying these deaths — 19,000 in the U.S. each year alone, more than from AIDS — are unnecessary.

“It’s a very sad situation that in some places so many are dying from this, because we have shown here in Norway that Methicillin-resistant Staphylococcus aureus [MRSA] can be controlled, and with not too much effort,” said Jan Hendrik-Binder, Oslo’s MRSA medical advisor. “But you have to take it seriously, you have to give it attention and you must not give up.”

The World Health Organization says antibiotic resistance is one of the leading public health threats on the planet. A six-month investigation by The Associated Press found overuse and misuse of medicines has led to mutations in once curable diseases like tuberculosis and malaria, making them harder and in some cases impossible to treat.

Now, in Norway’s simple solution, there’s a glimmer of hope.

Related: Articles on the Overuse of Antibiotics – CDC Urges Increased Effort to Reduce Drug-Resistant Infections – Killing Germs May Be Hazardous to Your Health – Antibacterial Products May Do More Harm Than Good

Cuts for British Science

Posted on December 17, 2009  Comments (1)

Cuts mark ‘sad day for British science’

Britain’s physics community is reeling from a “disastrous” day of funding cuts that will force scientists to withdraw from major research facilities and see PhD studentships fall by a quarter. Space missions and projects across astronomy, nuclear and particle physics are being cancelled to save at least £115m, the Science and Technology Facilities Council (STFC) said today.

Fellowships and student grants for PhD projects will be cut by 25% from next year. The announcement has appalled senior physicists who warn the cuts threaten Britain’s future as a leading player in science.
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In February, Gordon Brown delivered his first speech on science in Oxford and stated: “The downturn is no time to slow down our investment in science but to build more vigorously for the future.”

Politicians like to talk about funding science investment. And they do so to some extent. However, they are more reluctant to actually spend money than to talk about the wonders of science. Several countries in Asia are not just talking, they continue to invest, large amounts of money. The USA seems to be willing to put some money (not the kind of funds paid to protect bankers bonuses but significant amounts). Still the amounts the USA is investing is, I believe, falling as a percentage of global investment.

Related: posts on funding investments in science – Britain’s Doctors of Innovation – Economic Strength Through Technology Leadership – Science and Engineering in Global Economics – Science and Engineering Workforce Indicators – The value of investing in science and engineering – Saving Fermilab – Nanotechnology Investment as Strategic National Economic Policy

Global Installed Wind Power Now Over 1.5% of Global Electricity Demand

Posted on May 5, 2009  Comments (6)

graph of global installed wind power capacityChart showing global installed wind energy capacity by Curious Cat Science and Engineering Blog, Creative Commons Attribution. Data from World Wind Energy Association, for installed Mega Watts of global wind power capacity.

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Globally 27,339 MW of capacity were added in 2008, bringing the total to 121,188 MW, a 29% increase. The graph shows the top 10 producers (with the exceptions of Denmark and Portugal) and includes Japan (which is 13th).

In 2007, Europe had for 61% of installed capacity and the USA 18%. At the end of 2008 Europe had 55% of installed capacity, North America 23%, Asia 20%, Australia 1.5%, Latin America .6% and Africa .5%. Country shares of global capacity at the end of 2008: USA 21%, Germany 20%, Spain 14%, China 10%, India 8% (those 5 countries account for 73% of global capacity).

USA capacity grew 50% in 2008, moving it into the global lead for the first time in a decade. China grew 107%, the 3rd year in a row it more than doubled capacity.

Related: Wind Power Provided Over 1% of Global Electricity in 2007 – USA Wind Power Installed Capacity 1981 to 2005 – Wind Power has the Potential to Produce 20% of Electricity by 2030 – Top 12 Manufacturing Countries in 2007

European Eels in Crisis After 95% Decline in Last 25 years

Posted on May 5, 2009  Comments (0)

Eels in crisis after 95% decline in last 25 years

But the action the Environment Agency is about to take is upsetting those who rely on the eel for their livelihoods. A ban on exporting eels out of Europe – they are a popular dish in the far east – is proposed, along with a plan to severely limit the fishing season and the number of people who will be allowed licences.

It seems pretty obvious we have over-fished the oceans. Without effective regulation we will destroy the future of both the wildlife and our food source.

Related: Fishless Future – South Pacific to Stop Bottom-trawling – North American Fish Threatened – Chinook Salmon Vanish Without a Trace

The eel remains one of the world’s most mysterious creatures. It is generally accepted that European eels – Anguilla anguilla – are born in the Sargasso Sea near Bermuda.

As leaf-like larvae, they are swept by the Gulf Stream towards Europe, a journey that may take a year. When the larvae reach the continental shelf they change into “glass eels” and in the spring begin to move through estuaries and into freshwater.

The animals develop pigmentation, at which point they are known as elvers and are similar in shape to the adult eel. Elvers continue to move upstream and again change colour to become brown or yellow eels.

When the fish reach full maturity – some can live to 40 and grow to 1m long – they migrate back to the ocean. Females are reported to carry as many as 10m eggs. They return to the Sargasso Sea, spawn and die.

Study Finds Obesity as Teen as Deadly as Smoking

Posted on February 25, 2009  Comments (7)

A Swedish study has found obesity is as deadly (increasing adult mortality) as smoking for teens. Combined effects of overweight and smoking in late adolescence on subsequent mortality: nationwide cohort study

Regardless of smoking status, overweight and obesity in late adolescence increases the risk of adult mortality. Obesity and overweight were as hazardous as heavy and light smoking, respectively, but there was no interaction between BMI and smoking status. The global obesity epidemic and smoking among adolescents remain important targets for intensified public health initiatives.

Obesity Just as Risky for Teens as Heavy Smoking

Dr. Martin Neovius of the Karolinska Institute and colleagues analyzed data from more than 45,000 18-year-olds who underwent military conscription tests in which their body mass index (BMI) and smoking status were recorded. The men were followed for an average of 38 years.

During the follow-up period, 2,897 of the men died. The incidence of death was highest among obese men and lowest among those of normal weight. Compared with those who had a normal weight at age 18, those who had been overweight were about a third more likely to die early, whereas those who were obese were more than twice as likely to die prematurely.

Related: Global Cancer Deaths to Double by 2030 – Obesity Epidemic Partially Explained – $500 Million to Reduce Childhood Obesity in USA – Active Amish Avoid Obesity

Broken Window Theory Bolstered with Experiments

Posted on November 24, 2008  Comments (0)

The broken window theory is that as the visible deterioration of an area (broken windows, graffiti, lettering…) takes place, crime will increase. And that this starts a cycle of decline for the area feeds upon itself (a negatively reinforcing loop in system thinking parlance). The theory was put forth in an article in The Atlantic in 1982 by George L. Kelling and James Q. Wilson.

Criminology Can the can, The Economist

Kees Keizer and his colleagues at the University of Groningen deliberately created such settings as a part of a series of experiments designed to discover if signs of vandalism, litter and low-level lawbreaking could change the way people behave.
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The most dramatic result, though, was the one that showed a doubling in the number of people who were prepared to steal in a condition of disorder. In this case an envelope with a €5 ($6) note inside (and the note clearly visible through the address window) was left sticking out of a post box. In a condition of order, 13% of those passing took the envelope (instead of leaving it or pushing it into the box). But if the post box was covered in graffiti, 27% did. Even if the post box had no graffiti on it, but the area around it was littered with paper, orange peel, cigarette butts and empty cans, 25% still took the envelope.

The researchers’ conclusion is that one example of disorder, like graffiti or littering, can indeed encourage another, like stealing. Dr Kelling was right. The message for policymakers and police officers is that clearing up graffiti or littering promptly could help fight the spread of crime.

Related: A Crack in the Broken-Windows Theory – Broken Windows Turns 25 – Reconsidering the ‘Broken Windows’ Theory – Credit Freeze Stops Identity Theft Cold

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