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| 1 down, 3 more to go!Cal: Happy Birthday! Welcome to the 1/4 century club! 
I had been dreading this day since Monday. But the day has finally arrived. After a free lunch at Bloomberg U, I walked causally to the dentist office. Today I will take out a wisdom tooth that has caused cavity to the molar in front due to leftover Pret, Cafe De Coral, or whatever I had for lunch. My nervousness had been slightly offset by the thrill of having the afternoon off and watching people hastily making their way back to the office, all this time I was carefully studying the latest MontBlanc collection. But I shall realized soon that sometimes even work doesn't seem that bad after all.
After 2 minutes of icebreaker, the dentist went straight to business. "1 dose of XX" he said to the nurse. Then out of nowhere the nurse pulled out a slim 12-inch long shiny steel syringe and handed to the dentist.
"NO FUXKING WAY!" I thought to myself. Without hesitation he stuck that right in my gum and my eyes popped out staring at his thumb as he slowly pushes down the piston. I felt a bearable sharp pain and soon enough my lips and tongue were growing numb. (I thought I heard his evil giggle but that could be due to the drugs)
"So how does your lips and tongue feel? Slightly numb perhaps?" he asked.
"Um... yeah.. actually they felt just like last night when I was eating a 12 course Sichuan dinner!" I joked but it was in fact true.
(damn good meal...in hindsight, the bowl looked more like a pot of freshly extracted gum drenched in its own blood. okay.. i think i've just lost my sanity along my wisdom  )
He politely smiled but I could see his eyes were saying: "So you think you're funny? You will be a sorry smart ass when I'm through with you."
"1 more dose." He said to the nurse but this time I didn't feel anything.
We waited 5 minutes for the anesthetic to set in. Then his evil work began. A series of surgical instruments were thrown into my mouth and my eyes remained sealed. But this had only enhanced my aural abilities...
"...saliva ejector!" (this is just the standard tube used for sucking out my"mouth water" and blood... )
"...elevator!" (not sure what this was, but I was hoping it will take me high, so high that I become spiritually detached from my body)
"...precision cutter!" (I started to wish that I didn't understand english)
"...extractor!" (I wanted to pass out)
"...clams!" (How come I can still hear the drilling noise! Damn it!)
"..." I got curious at this anonymous instrument and opened my eyes. What was the hush-hush about? The dentist's hand gave out a hammering gesture and my heart stopped.
He took out a 6 inch steel pick and positioned it inside my mouth, then grabbed the side of my mouth so tight that I thought it was going to rib. Scenes from The Dentist floated in my mind and I wanted to fight back... but it was too late.
Before I had time to react, the dentist shouted, "Harder! ...Harder! ...Softer now... Again! " The nurse held a steel hammer (do all dentist have a steel fetish?) and pounded the pick at the call of the dentist, building a grueling rhythm that sent bone shattering shockwaves to my brain. I bet she was thinking "It's finally my turn to jam guys now... haha..."
After some more drilling, hammering and torturing, I found myself at the counter forcing a smile and paid the nurse a couple grand for 30 mins of work. Not bad... and the dentist didn't even need to collect the money himself.
I can't believe I have to do this 3 more times... To pay so much for going through such suffering should be considered an illegal act due to its suicidal nature. (a case for Long Hair perhaps?)
The toothfairy better be hot when she comes over tonight, otherwise I'll be spanking her silly when she tries to get a piece of me.  | | |
| Back from holiday, a littler earlier than I anticipated...
Angkor Wat
Say what?
Ah... Ankor Wat!
Siem Reap is a beautiful city with even more beautiful people (read innocent). These are the people that I would like to interact with everyday. But then over here, they will be eaten alive before I get a chance to meet them.
So I thought I was on holiday, I was dead wrong. I think I should put myself back on the plane to Angkor Wat where the monks promote eternal bliss. But wait, didn't Angkor Wat begin as some king who wanted to showoff his world domination? Perhaps it's the same if I fly over to NYC and become a seminarian at the Trump Towers. Atleast I'll get good hotdogs!  | | |
| Save the parachuteFrom the old HK landmark...
To the new HK landmark...
The only difference I see is that I'll be more certain of my death in case I feel like jumping off the building... 
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| AnswerDid you get it?
X should attack by sea with probability 2/3 and by land with probability
1/3. The probability of a successful invasion is 13/15.
Both X and Y should choose their strategy randomly. Let x be the
probability that country X attacks by sea. Let y be the probability that
country Y defends by sea.
The probability of a successful invasion is :
f(x,y)=.8xy + x(1-y) + (1-x)y + .6(1-x)(1-y) = .8xy + x - xy + y - xy +
..6 - .6x - .6y + .6xy = -.6xy + .4x + .4y + .6 .
Y is obviously going to try to minimize the probability of a successful
attack. Taking the derivative of f(x,y) with respect to y yields:
-.6x + .4 = 0.
x=2/3.
Thus X should attack by sea with probability 2/3 and by land with
probability 1/3. Y should also defend by sea with probability 2/3 and by
land with probability 1/3. The probability of a successful invasion is
-.6*(2/3)*(2/3) + .4*(2/3) + .4*(2/3) + .6 = 13/15.
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