testing

Learn about Biology and the Human Brain

Our brain is beautiful and still largely remains a mystery for scientists. Find out more here!

testing

Politics and Economics

Learn more about Politics and Economics Here

testing

alterIMAGES

If you want to see beautiful images and read their descriptions, then this is the place for you!

testing

alterFACTS

For random interesting facts and their explanations!

testing

Random

For random stuff and a good laugh!

Tuesday, 22 January 2013

Can Time Literally Stop?

According to Professor Jose Senovilla, Marc Mars and Raul Vera of the University of Basque Country, yes. This was the radical solution that the group of scientists have come up with to solve one of the biggest mysteries of the Universe, the dark energy. Dark energy is the name scientists gave to the unknown energy that is fundamentally changing our Universe.

As physics developed in the 20th century, scientists have assumed three possibilities as the ultimate fate of the universe, they were dependent on the shape and the density of the Universe. If Omega (the ratio of actual density of the Universe to the critical density) is less than 1, then the Universe is sphere-like and will expand at an ever-slowing rate before it completely comes to a halt and starts collapsing on itself, presumably creating another Big Bang in the future and starting the whole cycle again. If Omega is less than 1, then Universe is negatively curved (see image below) and expands at an ever expanding rate. There is also another option, in my opinion, the most interesting one. If Omega equals exactly to one, then  the Universe is flat (yes, you read that correctly) and expands at an ever-slowing rate, but never completely coming to a halt, similarly to our favorite high school function, asymptote. Interestingly enough, that seems to be the case! The Universe is flat up to 1% to 2% and has Omega of exactly 1. Which all seemed cool and perfect, until scientists realized that the Universe is not slowing down, and doesn't seem to have any intention to do so and that in fact it's speeding up.

A football, a saddle and a board game...I don't see the point you're trying to make...

To counter this seemingly fundamental problem, scientists came up with dark energy. It is not called so because it doesn't reflect light, but because no one really knows what it is, what it looks like, has ever observed it or can certainly predict its existence (that's science for you!). It is this dark energy which acts kind of like anti-gravity, forcing matter away from each other therefore speeding up the expansion of the Universe. Interestingly enough, Albert Einstein came up with a similar theory almost a hundred years ago, only to scrap off the idea later and call it his biggest regret in life. Little did he know that now this theory has been acknowledged by most scientists.

There are however alternatives to that theory, and that is what I wrote above earlier. The time slowing down theory is a substitute to the theory of dark energy. It predicts that time will come to an end, literally. Don't wait for me to describe that for you visually, because physics is physics, and our brains are in no way developed (adapted) enough to visualize anything outside our immediate environment.

"We do not say that the expansion of the universe itself is an illusion," he explains. "What we say it may be an illusion is the acceleration of this expansion - that is, the possibility that the expansion is, and has been, increasing its rate."

"Instead, if time gradually slows but we naively kept using our equations to derive the changes of the expansion with respect of 'a standard flow of time', then the simple models that we have constructed in our paper show that an "effective accelerated rate of the expansion" takes place."

And although the change is infinitesimally small for a person to notice, it makes a difference on the grand scale of the Universe. So if the time really is stopping, then it seems to us that the distant galaxies are accelerating (even if they're not actually).

The scientists have also calculated that it will take billions and billions of years for time to completely stop.

"Then everything will be frozen, like a snapshot of one instant, forever," Prof Senovilla tells New Scientist magazine. "Our planet will be long gone by then."

How unfortunate.



If Life Began 24 Hours Ago

A lot of you might have heard this before, but it's still worth mentioning. The Universal Clock is a thought experiment that scales the history of the Universe and separately of the Earth to a 24-hour clock. So if the Big Bang (or the formation of the Earth) happened at 12 am and right now was 12 pm, when would the major (on a scale of the Universe) events happen?

Universe


12 midnight
15, 000,000,000 years ago
Big Bang
4.8 pm
4,500,000,000 years ago
Earth formed
5.6 pm
4,000,000,000 years ago
Life begins (prokaryotes)
9.6 pm
1,500,000,000 years ago
Eukaryotes appear
10.88 pm
700,000,000 years ago
Multicellular organisms appear
11.136 pm
540,000,000 years ago
Cambrian explosion in seas
11.36 pm
400,000,000 years ago
Insects appear on land
11.632 pm
230,000,000 years ago
First dinosaurs appear
11.664 pm
210,000,000 years ago
First mammals appear
11.792 pm
130,000,000 years ago
Flowering plants appear
11.896 pm
65,000,000 years ago
Dinosaurs (& 90% of all species) wiped out after meteorite
11.9936 pm
4,000,000 years ago
Hominids appear
1 second ago
173,600 years ago

11.99984 pm           
100,000 years ago              
Modern homo sapiens appear
11.999984 pm          
10,000 years ago                
Neolithic cultures appear
11.999992 pm          
5000 years ago                  
Civilizations appear
11.999996 pm          
2500 years ago                  
Time of Confucius, Buddha, Cyrus, Pericles, Mahavira, Pythagoras

11.999999 pm          
500 years ago                   
European voyages of exploration and conquest begin

11.9999997 pm        
137 years ago                   
Slavery ended in US
11.9999999 pm          
18 years ago                     
2004 HS graduate born
12 midnight               
0 years ago                       
Today


I think we can all agree that that is one weirdass clock


Earth

12 midnight
4,500,000,000 years ago
Earth formed
2.67 am
4,000,000,000 years ago
Life begins (prokaryotes)
4 pm
1,500,000,000 years ago
Eukaryotes appear
8.27 pm
700,000,000 years ago
Multicellular organisms appear
9.12 pm
540,000,000 years ago
Cambrian explosion in seas
9.867 pm
400,000,000 years ago
Insects appear on land
10.77 pm
230,000,000 years ago
First dinosaurs appear
10.88 pm
210,000,000 years ago
First mammals appear
11.31 pm
130,000,000 years ago
Flowering plants appear
11.65 pm
65,000,000 years ago
Dinosaurs (& 90% of all species) wiped out after meteorite
11.787 pm
4,000,000 years ago
Hominids appear
11.945 pm
100,000 years ago
Modern homo sapiens appear
1 second ago
52,083 years ago

11.995 pm
10,000 years ago
Neolithic cultures appear
11.997 pm
5000 years ago
Civilizations appear
11.9987 pm
2500 years ago
Time of Confucius, Buddha, Cyrus, Pericles, Mahavira, Pythagoras
11.9997 pm
500 years ago
European voyages of exploration and conquest begin
11.99993 pm
135 years ago
Slavery ended in US
11.99999 pm
18 years ago
2004 HS graduate born
12 midnight
0 years ago
Today



http://cassian.memphis.edu/history/jmblythe/Global%20F05/UniversalClock.htm




Monday, 21 January 2013

Lifehack: Freeze Your Drinks Fast!


1      Put the can in a pot, cover with ice, and add 2 cups of salt and water. The can will be ice cold in 3 minutes tops!








3 Most Politically Incorrect Games and Toys

3. Racism: The Game

This was a board game that was released into the market in the 1960's. If one didn't know the background to the game, it would be easy to assume that it was intentionally racist. Despite the fact that everything about the game screams out "Racism!!" the game is actually meant to teach people about how bad racism is, as opposed to being racist itself. It is played by two people and each one has a different character (one African-American and one White dude). The idea was to teach white people what it's like being an African American in the 1960's in USA. Here are the rules:

"Whites started out with $1 million, blacks with $10,000 and each race had different opportunity decks. While whites could buy property in any part of the board, blacks were limited to certain areas until they had accumulated at least $100,000 and were outright banned from property in the 'suburban zone."

This doesn't look in any way racist

2. Nuclear Toys

It is hard to believe that there was a time when the word nuclear was associated with good, and no, it wasn't before WWII (you know, the whole Japan bombing thing). In 1950's a bunch of kids' toys companies decided that it would be good to teach the little ones the value and the might of nuclear power (presumably because most kids in the 1950's were hated by their parents). This was the result:

"Congratulations you little piece of shit! Now get back to training!"

1. Juden Raus! (Jew Out!)

I have to say, the name of the game in German and the exclamation mark are very misleading. It almost sounds like one of those festivals Germans celebrate as an excuse to drink a lot of German beer and stare at German boobies.

Yes, just like these. Ew! What do you think you're doing you pervert? Put that thing away! Now! Nooo....

Unfortunately the game didn't involve any boobies and was in fact pretty sad. The game was manufactured and released into the market in 1930's to please Hitler (you might recognize his name from your history books). The point of the game was to roll the dice and move Jews out of their homes in Germany and to Palestine...and that's basically it. 

Hey,  I never said it was a fun game...