Monday, September 22, 2014

Can You Really See The Great Wall Of China From Orbit?

Legend has it that the Great Wall of China is the only man-made structure that can be seen with the naked eyes from orbit. 

However, according to Canadian astronaut Chris Hadfield, who had just returned from a five-month mission aboard the International Space Station, it is not possible to see the Great Wall of China from orbit.

So you're telling me that it is not possible to see a 8850km-long man-made structure from another man-made structure parked 330km above the surface of the Earth?

Monday, September 15, 2014

If You Cut An Earthworm In Two, Will The Parts Grow Into Two Separate Worms?

You may have been told as a child that an earthworm will regenerate into two separate worms if it's cut in half crosswise. At least I was.

But I never really had the opportunity to experiment with a real earthworm--all the worms I dug up from my garden ended up as fishing bait.

Like most other animals, the humble earthworm has a head and a tail. Since earthworms have no eyes, the only way to identify its head is by looking at its clitellum.

Friday, August 29, 2014

如果你在飞机里生下宝宝,宝宝的国籍将会是....?

想像一下,您是个怀胎九月的马来西亚妇女,就快生了。
你和老公乘搭加拿大航空从新加波出发前往荷兰渡假。在飞往荷兰途中,飞越巴基斯坦领空时,您肚子里的宝宝等不下去了。结果您就在飞机上生下了宝宝。生产过程非常顺利,母子平安。当机组人员和其他乘客向您道贺时,机长给了您一份表格填写宝宝资料,你看了一看表格..........姓名,性别,国籍........

问题来了:
一个马来西亚妇女乘搭加拿大飞机由新加波飞往荷兰在巴基斯坦领空生下的宝宝,是属于那一国的人民?

Tuesday, August 26, 2014

The ALS Ice Bucket Challenge Is An Outstanding Fund-Raising Campaign, A Poor Awareness Campaign

My current facebook newsfeed is inundated with videos of people executing in various ways the ALS ice bucket challenge.

Before I start, I have to make clear my stance: I support the ALS awareness campaign. I support all types of disease-related awareness campaign wholeheartedly. I genuinely think that this campaign is an effective way of raising fund to support the research into battling this lethal disease.
However, I can't help but to also feel that the movement is beginning to skew from its original intent of raising awareness of the disease to raising awareness of one’s own altruism and/or attractiveness in a wet T-shirt.

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