How to Survive in the Woods

Sunday, July 1st, 2007

Much of the information in How to Survive in the Woods is straightforward, even obvious — plan ahead, make sure someone knows where you are going, etc. — but these tidbits on berries, of all things, caught my eye:

Color test: White and yellow berries are poisonous 90% of the time, blue and black berries are good to eat 90% of the time (however, deadly nightshade berries are dark blue or black and they taste sweet, but a couple can kill you fairly quickly), and red berries are a 50/50 shot.

Aggregate berries, (bumpy ones like raspberries, blackberries, etc.), are almost 100% good to eat. The only exception to that rule is a white berry that grows only in Alaska.

No Plan, No Capital, No Model…No Problem

Sunday, July 1st, 2007

In No Plan, No Capital, No Model…No Problem, Guy Kawasaki moderates a fascinating discussion with five net entrepreneurs:

Karen Northup, CEO and Founder, CoreFino
Dave Lu, CEO, Fanpop
Marcus Kazmierczak, VP of Engineering, Maya’s Mom
James Hong, Co-Founder, HotorNot.com
Markus Frind, Founder, PlentyofFish.com

Set aside the time and watch the whole thing. I was really impressed with James Hong, which I would not necessarily have predicted from his venture.

Earth Without People

Sunday, July 1st, 2007

Alan Weisman has a new book coming out soon, The World Without Us — which comes recommended by Tyler Cowen — but you can get a taste by reading Earth Without People, from a couple years ago. A summary of what would happen if humans were to vanish from New York:

  • 10 years Sidewalks crack and weeds invade. Hawks and falcons flourish, as do feral cats and dogs. The rat population, deprived of human garbage, crashes. Cockroaches, which thrive in warm buildings, disappear. Cultivated carrots, cabbages, broccoli, and brussels sprouts revert to their wild ancestors.
  • 20 years Water-soaked steel columns supporting subway tunnels corrode and buckle. Bears and wolves invade Central Park.
  • 50 years Concrete chunks tumble from buildings, whose steel foundations begin to crumble. Indian Point nuclear reactors leak radioactivity into the Hudson River.
  • 100 years Oaks and maples re-cover the land.
  • 300 years Most bridges collapse.
  • 1,000 years Hell Gate Bridge, built to bring the railroad across the East River, finally falls.
  • 10,000 years Indian Point nuclear reactors continue to leak radioactivity into the Hudson River.
  • 20,000 years Glaciers move relentlessly across the island of Manhattan and its environs, scraping the landscape clean.

Thinking with Balls

Sunday, July 1st, 2007

I’m a sucker for mechanical computers.

Students Matt Donahoe, Jeff DeCew, and Olek Lorenc are building a K’NEX Computer for their Computer Architecture class at Olin College:

The K’NEX calculator stands over 10 feet tall, and can perform 4 bit addition and subtraction operations in about 30 seconds. The slowest part of the operation is the user entering the balls. From there the balls trickle down, computing the result of the operation, and then sending that through a 4 bit decoder, which flips a flag that tells the user the answer. Since it is 4 bit, we can add and subtract numbers from 0 to 15.

They explain the details of how thinking with balls is done. I didn’t immediately recognize this complication in using balls rather than electrical states:

Now things start to get tricky. A normal AND gate has two inputs, and a single output that is active only when both inputs are active. Since we are using balls, we need to have the same number of inputs as outputs: if two balls go in, two balls better come out.

My plea to fellow Muslims: you must renounce terror

Sunday, July 1st, 2007

My plea to fellow Muslims: you must renounce terror is oddly titled, because Hassan Butt’s piece seems directed at the British public:

When I was still a member of what is probably best termed the British Jihadi Network, a series of semi-autonomous British Muslim terrorist groups linked by a single ideology, I remember how we used to laugh in celebration whenever people on TV proclaimed that the sole cause for Islamic acts of terror like 9/11, the Madrid bombings and 7/7 was Western foreign policy.

By blaming the government for our actions, those who pushed the “Blair’s bombs” line did our propaganda work for us. More important, they also helped to draw away any critical examination from the real engine of our violence: Islamic theology.

Shopkeeper fined £250 for hitting back against thieves

Sunday, July 1st, 2007

America and Britain certainly have their differences. Shopkeeper fined £250 for hitting back against thieves:

A shopkeeper has been fined £250 and given a criminal record because he fought back when he was attacked by shoplifters.

Jacob Smyth chased three youths out of his hardware shop in Penzance, Cornwall, when he was set upon. When he was kicked in the groin by one of the hooded youths who had stolen cans of spray paint Mr Smyth hit back.

Police issued fixed penalty tickets to the shoplifters but charged Mr Smyth and a colleague with assault.

Yesterday he pleaded guilty to assault at Truro Magistrates’ Court. He claimed after the hearing that he had been advised to plead guilty because otherwise he could have faced a six month prison sentence.

Babies not as innocent as they pretend

Sunday, July 1st, 2007

Richard Gray notes that babies are not as innocent as they pretend:

Whether lying about raiding the biscuit tin or denying they broke a toy, all children try to mislead their parents at some time. Yet it now appears that babies learn to deceive from a far younger age than anyone previously suspected.

Behavioural experts have found that infants begin to lie from as young as six months. Simple fibs help to train them for more complex deceptions in later life.

Until now, psychologists had thought the developing brains were not capable of the difficult art of lying until four years old.

Following studies of more than 50 children and interviews with parents, Dr Vasudevi Reddy, of the University of Portsmouth’s psychology department, says she has identified seven categories of deception used between six months and three-years-old.

Infants quickly learnt that using tactics such as fake crying and pretend laughing could win them attention. By eight months, more difficult deceptions became apparent, such as concealing forbidden activities or trying to distract parents’ attention.

By the age of two, toddlers could use far more devious techniques, such as bluffing when threatened with a punishment.

Dr Reddy said: “Fake crying is one of the earliest forms of deception to emerge, and infants use it to get attention even though nothing is wrong. You can tell, as they will then pause while they wait to hear if their mother is responding, before crying again.

“It demonstrates they’re clearly able to distinguish that what they are doing will have an effect. This is essentially all adults do when they tell lies, except in adults it becomes more morally loaded.”

She added: “Later it becomes more sophisticated by saying, ‘I don’t care’ when threatened with a punishment — when they clearly do.”

Dr Reddy thinks children use early fibs to discover what kinds of lie work in certain situations, and also learn the negative consequences of lying too much.

Egg-straordinary resistance to decay

Sunday, July 1st, 2007

I was not aware of eggs’ egg-straordinary resistance to decay:

Everyone knows that food left out for long enough will go mouldy. But according to Sir Tim Hunt, of Cancer Research UK, egg white will dry out first — and this resistance to rotting is why you do not have to put eggs in the fridge.
[...]
The reason the egg white doesn’t rot is the existence of at least three antimicrobials in it, says Sir Tim. Lysozyme will dissolve the outer coat of most bacteria, making it a potent antibiotic.

It was studies of lysozyme that gave Fleming and then Florey (who came up with penicillin) the idea of looking for antibiotics, he added.

Ovotransferrin in the egg white absorbs the iron that helps microbes exploit air and avidin absorbs biotin, an essential nutrient.

“Which is why eating too many raw eggs is not advisable, said Sir Tim, explaining that when large amounts of raw egg whites were given to rats caused severe dermatitis, loss of hair, and lack of muscular coordination.

The proof of this potent anti microbial action comes in the heating of said egg-white. As the scotch egg demonstrated, once these antimicrobials have been destroyed by cooking, the egg white is at the mercy of local microorganisms.

Retired Marine is top gun at sub shop

Sunday, July 1st, 2007

These “just desserts” stories may be more lighthearted fun when someone simply gets beat up and humiliated, but I can’t feel bad for armed robbers killed in the act. Retired Marine is top gun at sub shop:

The Subway video surveillance cameras, which the owner had installed only a week ago — ”just to be on the safe side” — caught the whole drama.

The robbers got Lovell’s money. But Lovell, who neighbors and friends say is in tiptop shape and looks years younger than he really is, pulled out his handgun and shot both in the head.

Donicio Arrindell, 22, of North Lauderdale died. Fredrick Gadson, 21, of Fort Lauderdale, was critically wounded.

The front window was blown out and cash strewn around the shop.

”There were fives and rolls of coins everywhere,” said Detective Robert Rettig of the Plantation Police Department.

Rettig said Lovell, who has a permit to carry a concealed weapon, is not expected to be charged. ”He was in fear for his life,” Rettig said.

Here’s an odd legal twist:

Gadson, listed Thursday night in serious condition, faces armed robbery charges. And because someone was killed during the crime, he also will be charged with murder, authorities said.

China finds secret tomb chamber

Sunday, July 1st, 2007

China finds secret tomb chamber near the famous terracotta warriors:

Historical records describing the tomb of Qin Shihuang, China’s first emperor, do not mention the room which is 30 metres (98 feet) deep.

The unopened chamber was found at the site near the old imperial capital of Xian using remote sensing technology.

One expert says it may have been built for the soul of the emperor.

More than 2,000 years old, the chamber is buried inside a pyramidal earth mound 51m (170 feet) high on top of Qin’s tomb.

It is situated near the life-size terracotta warriors and has four stair-like walls, says Duan Qingbo, a researcher with the Shaanxi Institute of Archaeology.

The Chinese authorities have not given permission to excavate the site.

It is believed that they wish to perfect archaeological techniques before probing any further, and archaeologists have had to use the sensing technology at the site since 2002.

Terra cotta, by the way, is simply Latin for baked earth.

Here’s a fun story about the terracotta army:

On September 16, 2006, a German art student, Pablo Wendel, infiltrated a Terracotta Army exhibit in a Xi’an museum and disguised himself as one of the soldiers. According to museum officials, his disguise was good enough to make it difficult for security to discern him among the statues; he was able to hide with the Terracotta Army for several minutes before being found. However, because Wendel had no malicious intentions against the historic exhibits — he merely wanted to live out his fantasy of being one of the warriors — and he had damaged none of the statues, he was let off with only an official rebuke and no serious legal consequences.