如果有人選擇了惡

李察先生︰

如果有人選擇了惡，那只是他的選擇錯誤。
可唔可以解成，選擇錯誤，就係惡呀。

nightingale

李察回應：
或者可以的。不過，奇怪的是：相信大多數人都是選擇正確的。

謝謝你的贊助 小禮物即將寄出

Dear Lim King Wah

收到你的來信和贊助支票了。謝謝你的鼓勵。
小小禮物包(共兩份)，數天之內即可寄出。
請查收。
希望你喜歡。

李察上

再者：用附贈的光碟看「莊子」，比看網頁清楚得多呢。

樹上柴油，己經出現。Disesel oil is discovered to be a product of fungus living in tree.

A word from Leechard

生物燃料的消息，不絕出現。或者，這一則是很重要的。因為，它可直接注進
柴油機中燃燒。

大多數的植物，都是可以燃燒的、、、

Disesel oil is discovered to be a product of fungus living in tree.

A month ago, after analysis of mixture produced by fungus Gliocladium roseu, some hydrocarbons remarkably similiar to diesel oil is found. Gliocladium Roseu is a fungus living in ulmo tree in Patagonia. this discovery is made by The Us researchers with its detail being published in the this year November issue of Microbiology magazine.



A Summary of The Guardian article:


Scientists discover Patagonian diesel that grows on trees

Alok Jha, green technology correspondent


guardian.co.uk, Tuesday November 4 2008 00.01 GMT
The Guardian, Tuesday November 4 2008

The 'myco-diesel' fungus Gliocladium roseum, which grows inside the ulmo tree in northern Patagonia

A tree fungus could provide green fuel that can be pumped directly into vehicle tanks, US scientists say. The organism, found in the Patagonian rainforest, naturally produces a mixture of chemicals that is remarkably similar to diesel.

The fungus, called Gliocladium roseum and discovered growing inside the ulmo tree (Eucryphia cordifolia) in northern Patagonia, produces a range of hydrocarbon molecules that are virtually identical to the fuel-grade compounds in existing fossil fuels.

Many simple organisms, such as algae, are known to make chemicals that are similar to the hydrocarbons present in transport fuel but, according to Strobel, none produce the explosive high energy density found in this fungus.

It was said that the chemical mixture produced could be used in a modern diesel engine without any modification.

Another advantage of the fungus is its ability to eat up cellulose, the compound that makes up much of the organic waste that is currently discarded, such as stalks and sawdust. Converting this plant waste into fuels is an important goal for the biofuel industry, which currently uses food crops such as corn.



http://www.guardian.co.uk/environment/2008/nov/04/biofuel-plants-biochemistry-science

nano-materials are also likely to be another asbesto to human health

A word from Leechard:

A friend send the following link to us which is important and need to have a look at. The essay from Guardian may be a bid long, but people interested should not miss it.

Nano technology, could be harmful like Asbseto(石棉)?

If we can do nothing now, at least, we should know some more about it.


--------------------------------------------------------------


Nano-materials are also likely to be another asbesto to human health.

At present, there are no evidence to prove that Nano-materials, like Asbestos in the past, could have harmful effect to human.

but, No evidence simply means we dont know.

There is no safety test, no regulations, on the negative use of nano-materials when they are employed in large scale.


And the point is:

Nano technology, like the atomic bomb, once brought into life, could never be
get rid of.......




http://www.independent.co.uk/news/science/the-big-question-what-is-nanotechnology-and-do-we-put-the-world-at-risk-by-adopting-it-1015518.html.



What is nanotechnology?
The Royal Commission on Environmental Pollution has just published a report on novel materials

Nanotechnology derives its name from the nanometre, which is a billionth of a metre.
(a human hair is about 80,000 nanometres wide.)

The Royal Commission found no evidence of harm to health or the environment from nanomaterials, but this "absence of evidence" is not being taken as "evidence of absence". In other words, just because there are no apparent problems, this is not to say that here is no risk now or in the future.

What is covered by the term nanotechnology?

There are about 600 consumer products already on the market that use nanotechnology. They include nanoparticles of titanium dioxide added to sun creams to make them transparent instead of white, or tiny fragments of silver that are added to sports equipment to make them odour-free – the silver acts as a powerful anti-bacterial agent. Nanomedicine are also being developed to fight cancer and other fatal diseases.

Many companies are taking up the opportunity of using them in products with little or no knowledge of how they may have an impact human health or the environment. The silver particles in sports clothing might end up killing off bacteria in sewage systems for example.

--------------------------

A molecule of DNA is an example of a natural nano-scale substance with the diameter of its double helix structure measuring about one nanometre. A typical virus, meanwhile, is about 100 nanometres wide.


"It is not the particle size or mode of production of a material that should concern us, but its functionality."

Take gold, for instance, which is a famously inert substance, and valuable because of it. It doesn't rust or corrode because it doesn't interact with water or oxygen, for instance. However, a particle of gold that is between 2 and 5 nanometres in diameter becomes highly reactive. This is not due to a change in chemical composition, but because of a change in the physical size of the gold particles.


How can this result in a change of function?

One reason is to do with surface area.

Nanoparticles have a much bigger surface area-to-volume ratio than microparticles a thousand times bigger. It is like trying to compare the surface area of a basketball with the combined surface area of pea-sized balls with the same total weight of the single basketball.
The pea-sized balls have a surface area many hundreds, indeed thousands of times bigger than the basketball, and this allows them to interact more easily with the environment. It is this increased interactivity that can change their functionality – and so make them potentially more dangerous to health or the environment.

"As many chemical reactions occur at surfaces, this means that nanomaterials may be relatively much more reactive than a similar mass of conventional materials in bulk form," the Royal Commission said.

Are there precedents?
The Commission cites several examples of health problems caused by the introduction of novel materials. Asbestos, for instance, was an infamous example of a material that provided tremendous benefits as a fire retardant, but when asbestos fibres were inhaled, it resulted in highly malignant cancer mesothelioma.

Where did the idea of these dangers emerge?

The first scientist to see the potential of nanotechnology was the American physicist Richard Feynman who gave a famous 1959 lecture to the American Physical Society entitled "there is plenty of room at the bottom".
Although it was Feynman who first talked about the potential advantages of technology on the small scale, it was an American engineer and author called Eric Drexler who coined the term "nanotechnology" in his 1986 book Engines of Creation.

It was also Drexler who first warned of the risk. He described a future in which tiny, self-replicating robots would take over the world – a view he has since disowned.

http://www.independent.co.uk/news/science/the-big-question-what-is-nanotechnology-and-do-we-put-the-world-at-risk-by-adopting-it-1015518.html

carbon paper : a new technology,,,,,can it save the world??

Leechard,

Here comes the great step in Organic Chemistry, and Material science. Bucky carbon paper can now be transformed into very strong material. The flordia State University researchers have overcome the difficulties of increasing the strength of bucky paper, which could be lighter than metals we commonly see. It could be an imporant ingredient in many things in future.

I am very happy to hear this piece of news, which not only means
the era of metal has now come to an end,
but a new page in the era of organic materials. The influence of metal shortage on the economy could be further weaken due to this event, and our economy could be lead to a new orbit of prosperity, which i believe, will be a thing man have to get for their survival.

It is my pleasure to attach this article here for your reference:


A Paper Stronger than Steel

The next generation of electronics, airplanes and could be made out of incredibly strong "buckypaper"

By Jaya Jiwatram Posted 10.20.2008 at 10:51 am



* an airplane, a television or a laptop computer made, at least in part, from a paper 500 times stronger and 10 times lighter than steel.

* It's paper. It's made out of tube-shaped carbon molecules 50,000 times thinner than a human hair.

*Last week, scientists at Florida State University (FSU) said they had made significant progress.

*They use strong magnetism to line up the carbon tubes in the same direction. And they plan to improve bonding by creating surface defects on the tubes.

*For futher reading:

www.popsci.com/category/tags/buckypaper

william

why all symphony sound almost the same in the last few bars?

Leechard,

A strange question happened to me last night when listening radio, the question is simple though - why all symphony sound almost the same in the last few bars?

As you listen so much classical music, have you ever think of an answer, and when this phenomena started to appeared?


--------------------------------------------
Leechard's feedback

Ha,ha, this is the same question i have ever asked.
Hope i can write something on it next Sunday.

See you!!

"Karl Bohm* 怎樣指揮貝多芬第九？"

Marvene has left a new comment on your post "Karl Bohm* 怎樣指揮貝多芬第九？":

Good post.

李察回應：

這是一篇舊文章了。謝謝。

無線能源，又有新消息........(雖然談了兩三個月，但毫無反應。中國人社會，當沒有這件事發生..............

Dear William

Indeed its good news and sad news. We have talked about it for months, but,
no one is interested. May be until one day,
the Jewish people from Intel( Intel is Jewish Company?? (need to check it)) could use wireless equipment to replace fossil fuel, then the world would be
shaken.

Leechard



Date: Sun, 9 Nov 2008 15:56:24 +0800

Leechard,

Witricity, now in development stage, is, under man effort, moving with speed, and closer than ever imagined, to the practical stage.

When i said in July that wireless electricity has been proved existence in last year, i, like many people, thought that two or more year is required to experiment whether energy can be transmitted wireless. Researchers of Intel, the american company, has did an experiement in late august to show us that it can do that. It is a great piece of science discovery news to us after we have heard the proof of memristor, the forth component in circuit, in may this year.

The energy-transmitting nature of witrictiy, i think, shall have many application in daily life. The distant transmission of electricity without a physical medium involvement, like the space, can now be made possible. And we shall use less metals to make conducting wires to connect places in pursuit to transmit electricty. We shall see that wireless electricity can play a important role in future society, and i can now say that "witiricty can a tool to make the human dream, no cable and wire to trnasmit electiricty, to come true",

To let you have an idea on what witricity transmmiting energy has happened, i attached a bbc news piece here.


------------------------------------------------------------------------

An end to spaghetti power cables
By Maggie Shiels
Technology reporter, BBC News, San Francisco




"The notion of disappearing energy sources is a powerful one," Justin Rattner, Intel technology boss, told the BBC.

he said. "No cords, no batteries anymore."

Mr Rattner envisaged a scenario where a laptop's battery could be recharged when the machine gets within several feet of a transmit resonator...

Intel's technology relies on an idea called magnetic induction. It is a principle similar to the way a trained singer can shatter a glass using their voice; the glass absorbs acoustic energy at its natural frequency.

At the wall socket, power is put into magnetic fields at a transmitting resonator - basically an antenna. The receiving resonator is tuned to efficiently absorb energy from the magnetic field, whereas nearby objects do not.


At the Intel Developer Forum in San Francisco, researcher Alanson Sample showed how to make a 60-watt light bulb glow from an energy source three feet away.


In early experiments the MIT team lit their light bulb from seven feet away with larger charging coils and scoring an efficiency rate of between 40-45%.

This meant most of the energy did not make it to the light bulb. MIT has since improved its system to 90% efficiency at the three feet range.

'World changing'
Intel has called the system WREL, a wireless resonant energy link while MIT named it WiTricity - a combination of wireless and electricity.


Story from BBC NEWS:
http://news.bbc.co.uk/go/pr/fr/-/2/hi/technology/7575618.stm

Published: 2008/08/22 09:20:54 GMT

---------------------------------------------------------------------------

p.s.

I believe it is a important news to the world, other than credit crunch, and new president being elected, so i decided to send it to you as i wish to inspire you on some new scientific thoughts. I wish you can look at both my letter now and that at july when i first thought about witricity, which, i hope, could be useful for your study on this matter now. I wish you can allow your friends to read this article by referring to bbc news page:

http://news.bbc.co.uk/go/pr/fr/-/2/hi/technology/7575618.stm.

母親及子女之間也有心靈聯繫.............

eric 已針對您的文章「你相信心靈感應嗎？」留下新意見：

母親及子女之間也似乎有心靈聯繫。可能在懷孕時已經聯繫上了。

係唔係會好似泡沬咁樣倒台

李察先生:


如果一個國家，無法適應現在的社會，經唔起挑戰，係唔係會好似泡沬咁樣倒台。


nightingale


李察回應：

你的問題很有趣。
但是，就算好像埃及那樣的國家，亦能經歷幾千年。
封建中國，亦一樣。

黑暗時代，有時可能持續長久。
明天起床，看不見太陽。

百足之蟲，死而不僵。

美國人的希望在那裡？

Dear LeeChad,

What do you think about purity and Americans?
One may find the Americans naive or shallow.
But do you also see a sense of purity in Americans?
I sense that but I cannot well defined it yet.
One side of purity can push people to become extremist.
The other side with faith and hope brings out beauty of human kinds.

Best regards, King she



Dear She,

you have a very important point here.

this is the hope for the american as well as us,
I believe.

Leechard

所謂「末日」只是人欠缺對事物的重新適應性

未留名者 已針對您的文章「「末日」是否己經開始」留下新意見：

李察先生

需不知我知的對不對

然在我眼中

所謂「末日」

只是人不能隨環境的轉變而轉變

而來的

所謂「末日」

只是人欠缺對事物的重新適應性

---------------------------------------------
李察回應：

說得真好!!!

當人不再能夠適應環境的時候，就是滅亡。

這是真的

Who was JM Keynes, and does he offer answers to the economic crisis?

The following link about Keynes is supplied by a reader, thanks very much

May be it is time for people to know more about Keynes.

---------------------------------------------------------------------------

Leechard,

I have found a good article studying keynes;' economic theory, which is a topic of discussion not only in your forum, but also in forum around the world. The independent article, dated 28 october, shall be a source to all who know little about keynes economics to take a look.

-------------------------------------------------------------------------------
The Big Question: Who was JM Keynes, and does he offer answers to the economic crisis?


Why are we asking this now?
So who was John Maynard Keynes?
What was his big idea?
Did those ideas survive the war?
What's different today?
So what can we expect?
Is there a consensus on all this?
Should we take a lesson from JM Keynes?


SEE FOR IT YOURSELF.......

(請剪下來，貼在網址欄就可以看到)
http://www.independent.co.uk/news/uk/politics/the-big-question-who-was-jm-keynes-and-does-he-offer-answers-to-the-economic-crisis-975460.html.

「末日」是否己經開始

Peggy 已針對您的文章「金融海嘯，因何產生？」留下新意見：

似乎第一天使已吹襲角號, 未日已經開始.

Peggy



李察回應

Dear Peggy

請不要太悲觀。

「末日」是否己經開始，也不是我們凡人能夠
知道的。

或者，這會是一件好事。當物質太豐盛，
人們就停止用腦了。此刻，正是重新檢視
的時刻呢。

李察

Leechard