Tuesday, June 28, 2011

Pi or Tau?

Well, have you noticed or ever asked yourself: Why 2 comes with π  in so many mathematical expressions?

There is this weird movement to suggest that π is not the fundamental constant but there is another better candidate: Tau

Here is interesting read:
http://tauday.com/

The most interesting one (to me) was the connection between the area and energy.
The area of the circle, in new notation can be written as:
1/2 Tua r^2 (well, Tau = 2 π)
Why bother?
Because, look at the expressions of
Kinetic Energy:
1/2 m v^2
The Potential Energy:
 1/2 k x^2
The distance covered by a particle falling from rest under gravity:
1/2 g t^2
Aren't they similar?

Well there are much more arguments in favor of tau as presented in the tau's (ko) website.
 Interestingly 6 and 28 both are the first two perfect numbers!

Saturday, June 25, 2011

P = h d g

I took two pictures of the air-tight ritz biscuit packets.
At 35000ft, the plane is a pressurized box. However,  less than the ground pressure.

On the ground, @ 1 atm pressure. 
Physics For DummiesPhysics: Principles with ApplicationsPhysics

Thursday, June 23, 2011

Internet Explorer Crash

I had a post about crashing menu of Burger King.
http://ajabgajab.blogspot.com/2009/02/windows-menu-of-burger-king.html

Recently I came across another crashed menu of Walmart display.
It reads ... microsoft internet explorer encountered problem and needs to close.
The option is to restart ms internet explorer. 

Wednesday, June 22, 2011

A puzzle

Three gods A, B, and C are called, in no particular order, True, False, and Random. True always speaks truly, False always speaks falsely, but whether Random speaks truly or falsely is a completely random matter. Your task is to determine the identities of A, B, and C by asking three yes-no questions; each question must be put to exactly one god. The gods understand English, but will answer all questions in their own language, in which the words for yes and no are da and ja, in some order. You do not know which word means which.


From wikipedia...
http://en.wikipedia.org/wiki/The_hardest_logic_puzzle_ever

Tuesday, June 21, 2011

Amazon Prime Free for 1 year for students with .edu

One Click: Jeff Bezos and the Rise of Amazon.comI had to buy stuffs from amazon.com. The shipping was little urgent. There were 2/3 day shipping option. However, it was kinda expensive.
For faster shipping, I could try Amazon prime as trial for a month. But then, it would just use up my prime.

Then I remembered that I had my old .edu account... just being unused.
I used my old Email address (which I still have access to). After submitting my .edu email, I was offered free prime shipping.
Now I have one year of prime shipping.
hoo!

Monday, June 20, 2011

The anatomy of the password

The password, something the hackers love in combination with the username, is the key to your account.
What is your password?

Based upon the dump of the Lulz, the code dump analyzed few facts about the general trends in passwords...
read more here...
http://www.codelord.net/2011/06/18/statistics-of-62k-passwords/


Side:

Once I wrote in my FB status
"If you type your password in Facebook, it will automatically mask the password. My password is ***"
One of my friend actually typed the password, and deleted it. Hilarity ensued. 

Sunday, June 19, 2011

Mahabharat episodes in Hulu

Today I was surprised to find Mahabharat in Hulu.
This is one of the wonderful epic of all time.
What I liked the most about the series was the intro section where is impressive sound told a story at the beginning of each series.

http://www.hulu.com/mahabharat

Edit:
Hulu is not available outside USA.
It turns out that it is also available in youtube.
http://www.youtube.com/show?p=xRn9CjdSZxU&tracker=show_av

Mahabharat 16 DVD SetThe Mahabharata (Penguin Classics)Mahabharata

Do you remember those days when the intro was a sensational hit?
Yada yada hi dharmasya...



Friday, June 17, 2011

Iceland to rewrite constitution via social media

The 25-member council drafting the new constitution is reaching out to its citizens through Facebook, Twitter, YouTube, and Flickr.

 From:
http://www.zdnet.com/blog/facebook/iceland-taps-facebook-to-rewrite-its-constitution/1600

Thursday, June 16, 2011

The wobbling motion of moon

A cool animation of moon's phase sliced in time:



From wired
Although we only see one side of the moon, as the video shows, this side appears different throughout the year because of the moon’s orbit and the tilt of its axis. Sped up in the video, these appear to cause the moon to wobble, known as libration. It’s also pretty cool to see the monthly phases of the moon’s cycle in such detail and at such speed.

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