Monday, May 21, 2007
Why Didn't I Think Of This?
Wordlock, which was founded in 2002, has won patents on the use of letters rather than numbers in padlocks. The painfully simple idea is that words are easier to remember than number combinations.
Friday, May 18, 2007
Thursday, May 17, 2007
Cognitive Reflection and Decision Making
Interesting three questions start on page 26.
(1) A bat and a ball cost $1.10 in total. The bat costs $1.00 more than the ball.
How much does the ball cost? _____ cents
(2) If it takes 5 machines 5 minutes to make 5 widgets, how long would it take
100 machines to make 100 widgets? _____ minutes
(3) In a lake, there is a patch of lily pads. Every day, the patch doubles in size.
If it takes 48 days for the patch to cover the entire lake, how long would it
take for the patch to cover half of the lake? _____ days
(1) A bat and a ball cost $1.10 in total. The bat costs $1.00 more than the ball.
How much does the ball cost? _____ cents
(2) If it takes 5 machines 5 minutes to make 5 widgets, how long would it take
100 machines to make 100 widgets? _____ minutes
(3) In a lake, there is a patch of lily pads. Every day, the patch doubles in size.
If it takes 48 days for the patch to cover the entire lake, how long would it
take for the patch to cover half of the lake? _____ days
Monday, May 14, 2007
Thermal Energy Storage
A New System for Open, Location Independent, Reliable, Clean and Renewable Energy.
This is a project to design and build a system that uses a combination of direct and indirect solar collection to generate electricity and store thermal energy in an economical, environmentally friendly, scalable, reliable, efficient and location independent manner using common construction materials.
...
The main focus of the design is to build a feasible renewable base load power station for moderate climates like Canada and the northern U.S.A., Asia and Europe where there is high solar insolation during the summer, but very cold temperatures and little daylight in winter.Insolation, Temperature and Electrical Demand
Borehole Thermal Energy Storage
This is a project to design and build a system that uses a combination of direct and indirect solar collection to generate electricity and store thermal energy in an economical, environmentally friendly, scalable, reliable, efficient and location independent manner using common construction materials.
...
The main focus of the design is to build a feasible renewable base load power station for moderate climates like Canada and the northern U.S.A., Asia and Europe where there is high solar insolation during the summer, but very cold temperatures and little daylight in winter.Insolation, Temperature and Electrical Demand
Borehole Thermal Energy Storage
Programming Language For Children
...
The program works by making the act of creating a computer program more like building with Lego bricks.
"Kids make programs by snapping blocks together," said Professor Resnick, whose position is in part supported by the toy company.
...
River Boarding
The bungee systems from Banshee are unlike anything ever seen on the river before. One end of the bungee system is anchored to any stationary object along the side of the river and you simply use the river current against the bottom of the board to stretch the Bungee System. Each Bungee will stretch 200 feet!
After riding 200 feet at 30 miles per hour, the board releases from the Bungee System allowing the rider to carve turns and do all kinds of board tricks: big spins, massive ollies, shuv-it’s, and kick flips, just to name a few. Experienced riders can launch off river features and surf the endless waves created by the river.
...
After riding 200 feet at 30 miles per hour, the board releases from the Bungee System allowing the rider to carve turns and do all kinds of board tricks: big spins, massive ollies, shuv-it’s, and kick flips, just to name a few. Experienced riders can launch off river features and surf the endless waves created by the river.
...
Teachers Stage Gunman Attack On Students
MURFREESBORO, Tennessee (AP) -- Staff members of an elementary school staged a fictitious gun attack on students during a class trip, telling them it was not a drill as the children cried and hid under tables.
The mock attack Thursday night was intended as a learning experience and lasted five minutes during the weeklong trip to a state park, said Scales Elementary School Assistant Principal Don Bartch, who led the trip.
"We got together and discussed what we would have done in a real situation," he said.
But parents of the sixth-grade students were outraged. (Watch student recount incident, mother react Video)
"The children were in that room in the dark, begging for their lives, because they thought there was someone with a gun after them," said Brandy Cole, whose son went on the trip.
...
The mock attack Thursday night was intended as a learning experience and lasted five minutes during the weeklong trip to a state park, said Scales Elementary School Assistant Principal Don Bartch, who led the trip.
"We got together and discussed what we would have done in a real situation," he said.
But parents of the sixth-grade students were outraged. (Watch student recount incident, mother react Video)
"The children were in that room in the dark, begging for their lives, because they thought there was someone with a gun after them," said Brandy Cole, whose son went on the trip.
...
Friday, May 04, 2007
Naked Motorbike
Naked motorbike man on the loose
Published: 4th May 2007 12:54 CET
A naked motorcyclist is on the loose in southern Sweden.
Police in Höör were informed at lunchtime on Friday that a man had been spotted riding naked by Nya Torget in the town.
...
"If you ride a motorbike you need a helmet but there is no other protective clothing required," said Mahler.
So the nude motorbike man is not breaking the law if he has a licence and a helmet?
"Well, we would ask him why he was riding around naked. Also if somebody didn't like it they could report him for disorderly conduct," said Mahler.
Published: 4th May 2007 12:54 CET
A naked motorcyclist is on the loose in southern Sweden.
Police in Höör were informed at lunchtime on Friday that a man had been spotted riding naked by Nya Torget in the town.
...
"If you ride a motorbike you need a helmet but there is no other protective clothing required," said Mahler.
So the nude motorbike man is not breaking the law if he has a licence and a helmet?
"Well, we would ask him why he was riding around naked. Also if somebody didn't like it they could report him for disorderly conduct," said Mahler.
Wednesday, May 02, 2007
The Bees Were Gone
Deserted beehives, starving young stun scientists
By Dan Vergano and Patrick O'Driscoll, USA TODAY Tue May 1, 7:08 AM ET
"The bees were gone," David Hackenberg says. "The honey was still there. There's young brood (eggs) still in the hive. Bees just don't do that."
On that November night last year in the Florida field where he wintered his bees, Hackenberg found 400 hives empty. Another 30 hives were "disappearing, dwindling or whatever you want to call it," and their bees were "full of a fungus nobody's ever seen before."
The discovery by Hackenberg, 58, a beekeeper from Lewisburg, Pa., was the first buzz about a plague that now afflicts 27 states, from the East Coast to the West. Beekeepers report losses of 30% to 90% of their honeybee hives, according to a Congressional Research Service study in March. Some report total losses.
Now a nationwide investigation, congressional panels and last week's U.S.
Department of Agriculture scientific workshop swarm around the newly named "colony collapse disorder." Says the USDA's Kevin Hackett, "With more dead and weakened colonies, the odds are building up for real problems."
...
By Dan Vergano and Patrick O'Driscoll, USA TODAY Tue May 1, 7:08 AM ET
"The bees were gone," David Hackenberg says. "The honey was still there. There's young brood (eggs) still in the hive. Bees just don't do that."
On that November night last year in the Florida field where he wintered his bees, Hackenberg found 400 hives empty. Another 30 hives were "disappearing, dwindling or whatever you want to call it," and their bees were "full of a fungus nobody's ever seen before."
The discovery by Hackenberg, 58, a beekeeper from Lewisburg, Pa., was the first buzz about a plague that now afflicts 27 states, from the East Coast to the West. Beekeepers report losses of 30% to 90% of their honeybee hives, according to a Congressional Research Service study in March. Some report total losses.
Now a nationwide investigation, congressional panels and last week's U.S.
Department of Agriculture scientific workshop swarm around the newly named "colony collapse disorder." Says the USDA's Kevin Hackett, "With more dead and weakened colonies, the odds are building up for real problems."
...
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