Archive for January, 2007

Environmentalism?

Excerpt from that Facebook event wall (with the Anti-French remarks are deleted):

Me: This is dumb. We can affect climate change by taxing oil more and laxing regulations on trade of nuclear-power technology and coal-gasification technology to highly polluting countries such as China and India.

But then again, if this is going to be such a largescale event, I suppose electricity will be cheaper, eh? Demand goes down, prices go down.

Mmm. Savings.

Person B: Yan, that’s like saying you’ll get people to quit smoking by taxing it more. No, people will find other ways to spend money on oil because they’re so dependent upon it.

Person C: Jinghao has a point there

Person D: I say we just pass the buck to China and be done with it.

Person C: China. I think they might take over in my lifetime.

Me: Maybe we can all stop breathing for those five minutes. Each person oxidizes enough food each 5 minutes to produce 5 g of CO2. If we get a million people to stop breathing for five minutes, we can prevent 5 million grams of CO2 from being produced. Cool, huh?

Person B: Jinghao, you’re really not helping the Asian stereotype, my friend.

Me: On the other hand, if everyone (6.54 billion people) stopped breathing for 5 mins, we prevent 32.7 billion g of CO2 from being produced

Person C: Ah! Hahaha…No, just tell everyone to stop breathing for ten….Population control!

Person E: I like the way you think. I’m going into air traffic control. Perhaps if we all coordinated…

Ha, you think I want to?

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Subscription Manager

I kinda fixed it, so if you have problems or if you want to (un)subscribe yourself, respond here or figure out how to do it yourself via the subscription manager.

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Badminton or Harvard

First off, I don’t even know why exactly I applied to Harvard. I am not going to be a politician or a lawyer, or major in any liberal arts field. So the exact reason is quite elusive to me. Maybe it was the business school, but that’s for graduates. Maybe it was the connections I hoped to forge. Maybe it was the huge cash cache that I wanted for research. But whatever it was, I paid the application fee and now I feel obligated to respond to the interview. After all, my interviewer emailed me and called me to schedule an interview, and after several back-and-forth emails we decided that Thursday was the best day.

But I missed it and an hour before the interview I called her to reschedule–to Monday.

Unfortunately Monday I have badminton practice too. A mandatory one. I like playing badminton, and I don’t like having to drive an hour at 75mph just for one interview with the school I least want to end up at. If I reschedule, my interviewer will be pissed, and I won’t be able to go to Harvard :(

Big deal.

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Rainfall and Energy

The beauty that is mathematics and physics… and online Googling:

01/28 16:05:18 Me: lots of rain
01/28 16:05:23 Joey: yay
01/28 16:06:01 Joey: washes the mud away
01/28 16:06:07 Me: yeah
01/28 16:06:09 Me: or washes it to somewhere else like your neighbor’s lawn
01/28 16:06:17 Joey: exactly
01/28 16:06:22 Joey: >_>
01/28 16:06:28 Me: and your other neighbor’s mud washes to your lawn
01/28 16:06:29 Me: <_<
01/28 16:06:42 Joey: lol
01/28 16:06:56 Joey: i think my house is slightly lower than the other ones
01/28 16:06:58 Me: lol
01/28 16:07:07 Me: well, gravity says mud doesnt go uphill
01/28 16:07:10 Me: XD
01/28 16:07:14 Joey: :-(
01/28 16:07:49 Me: yea
01/28 16:07:53 Me: thats a lot of water
01/28 16:08:11 Me: imagine if we can collect the energy of all that falling water
01/28 16:08:13 Me: :(
01/28 16:08:21 Joey: lol
01/28 16:08:28 Joey: well eventually we do
01/28 16:08:34 Me: well, not the energy of the falling rain
01/28 16:08:47 Joey: lol
01/28 16:08:59 Me: i forgot how much rain we get here
01/28 16:09:08 Me: but let's say 50 cm a year
01/28 16:09:09 Joey: not that much
01/28 16:09:27 Joey: lol
01/28 16:09:36 Me: ok 50 cm for all of the valley
01/28 16:09:55 Me: 0.5m x area of the bay area gets volume of water
01/28 16:10:05 Me: and since density = 1
01/28 16:10:11 Me: 1000 kg/m^3
01/28 16:10:20 Me: x1000 to get mass in kg
01/28 16:10:52 Me: then we assume the regular clouds are 8 miles up the sky=8x1606m = 12848m
01/28 16:11:28 Joey: hey that's a lot of math
01/28 16:11:30 Me: total potential energy = mgh = (1000 x 0.5m x area of bay area)(9.806m/s^2)(12848m)
01/28 16:11:38 Me: i just need area of bay area to find out how much energy all the rain has in this area
01/28 16:11:48 Me: lol
01/28 16:12:49 Joey: that's not hard to find is it
01/28 16:12:57 Me: apparently its harder than the math x_x
01/28 16:13:51 Joey: o_O
01/28 16:14:19 Me: oh i got it. For san jose alone, area is 55miles by 70 miles
01/28 16:14:35 Me: so thats
01/28 16:14:42 Me: 9930058600m^2
01/28 16:14:45 Joey: XD
01/28 16:15:04 Me: rainfall is 57.35 cm/year
01/28 16:15:09 Me: lol
01/28 16:15:24 Joey: oh nice estimate
01/28 16:15:29 Me: http://www.worldclimate.com/cgi-bin/data.pl?ref=N37W121+2200+040120C
01/28 16:15:39 Me: i'm estimating based on our latitude
01/28 16:15:40 Me: and longitude
01/28 16:15:45 Me: so it is a pretty good estimate
01/28 16:16:06 Me: so every year
01/28 16:16:19 Me: rainfall has 7.174847x10^17 joules
01/28 16:16:21 Me: of potential energy
01/28 16:16:32 Me: in our latitude and longitude
01/28 16:16:52 Joey: lol
01/28 16:17:00 Me: but
01/28 16:17:08 Me: thats only 7.97kg of mass converted into energy by e=mc^2 :(
01/28 16:17:35 Me: lets see
01/28 16:17:39 Me: 86400s/dayx365.25 days/year=31557600s/year
01/28 16:18:09 Me: 7.174847x10^17 joules/year / 31557600 s/year
01/28 16:18:38 Me: = 2.27x10^10 W
01/28 16:18:43 Me: if the power were to run continuously
01/28 16:19:01 Me: thats 22.7 Gigawatts of power
01/28 16:19:14 Me: thats a lot of energy
01/28 16:19:18 Me: holy crap
01/28 16:19:19 Joey: you do realize that i'm not following, right?
01/28 16:19:27 Me: you're mean :(
01/28 16:20:02 Joey: haha no i'm not :-)
01/28 16:20:20 Joey: i'm just not spellbound by the beauty of mathematics and physics

Damn, that’s more than enough power to keep the Silicon Valley running. But then again, that much energy must be transferred into heat. If we captured it instead, then we can be actually using energy that would otherwise go into contributing to the surging tides of global warming for practical purposes :)

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Challenger

Happy 21st anniversary, Challenger.

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John Donne & Romance

The following is one of the poems I’m supposed to analyze. It’s a piece by John Donne.

Mark but this flea, and mark in this,
How little that which thou deniest me is;
It suck’d me first, and now sucks thee,
And in this flea our two bloods mingled be.

Thou know’st that this cannot be said
A sin, nor shame, nor loss of maidenhead;
Yet this enjoys before it woo,
And pamper’d swells with one blood made of two;
And this, alas, is more than we would do.

O stay, three lives in one flea spare,
Where we almost, yea, more than married are.
This flea is you and I, and this
Our marriage bed, and marriage temple is.
Though parents grudge, and you, we’re met,
And cloister’d in these living walls of jet.
Though use make you apt to kill me,
Let not to that self-murder added be,
And sacrilege, three sins in killing three.

Cruel and sudden, hast thou since
Purpled thy nail in blood of innocence?
Wherein could this flea guilty be,
Except in that drop which it suck’d from thee?
Yet thou triumph’st, and say’st that thou
Find’st not thyself nor me the weaker now.
‘Tis true ; then learn how false fears be ;
Just so much honour, when thou yield’st to me,
Will waste, as this flea’s death took life from thee.

“Since you won’t have sex with me, I’ll fantasize about our bloods mingling together in that flea’s body. Oh by the way, don’t kill the flea, ’cause doing that is killing three.”

Romantic, huh?

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WordPress Update

The blog software has been updated to the new 2.1 version (Code named “Ella” after Ella Fitzgerald) and a new, cleaner and more simplistic design has replaced the old one.

Along with the change I added categories, and I will begin to categorize entries following this.

By the way, subscriptions don’t work so check back when you feel like you need something to waste time on.

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Come Monday

If you don’t see me on AIM by 8 PM call the police and tell ‘em a short Asian dude got mugged and kidnapped by another short Asian dude from his school.

Thanks.

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Involvement in the “scandal”

Just a note: Because Albert is not a Lelander his views are not officially sanctioned by the Math-73 class :)

Also, keep the name-blurting to a minimum. Although I admit I do have popular support in this endeavor I understand they do not want to be involved if possible. Direct any questions or commentary you have here, and I promise I won’t censor them unless they are 1. spam (advertising, etc), 2. illegal or 3. otherwise pointless.

Thank you.

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Proving my point

Reacting with violence and irrationality will only prove my point, Kent. Don’t try anything wild at school or elsewhere if you want to be viewed with sympathy.

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