How Glow Sticks Work

Posted by carlos Sun, 22 Mar 2009 19:27:00 GMT

Ever wondered how glow sticks work? I know I have! well its to do with a chemical reaction between hydrogen peroxide and phenyl oxalate ester (scientific gobbledegook). So basically imagine there is the glow stick outer casing,which has hydrogen peroxide in it and a little pill shaped object which contains phenyl oxalate ester.

So that when you crack it (so it makes a sort of click) you are releasing the hydrogen peroxide to the phenyl oxalate ester which makes the chemical reaction. So when the hydrogen peroxide touches the pheanyl oxalate ester it creates a glow.

A glow stick can be designed to either glow for a long time and be dim or for a short time and be bright. Special glow sticks are even made to give off an infrared light for night vision googles!

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Phoenix spacecraft lands on Mars

Posted by carlos Mon, 30 Jun 2008 16:25:00 GMT

Nasa’s tripod-like spacecraft landed on the bizarre baren waste-land also known as Mars a couple of weeks ago. Microbes such as the Chryseobacterium greenlandensis have been found alive on Earth (mind you) in ice, but dormant after a very long 120,000 years. When the Phoenix landed on Mars it took a few samples of the ground and found that Mars had an ice layer beneath the surface. Maybe it is posible that as there is ice on the planet, microbes will be found.

Extreme life forms, like these colonies of Chryseobacterium greenlandensis, may be living near the north pole of Mars. If you want to see the phoenix landing click on the picture of it.

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A Dangerous Sunrise on Gliese 876d

Posted by carlos Sat, 24 May 2008 15:54:00 GMT

On this planet sunrises can be very hot, explosive and lavery. One of the reasons that it is so dangerous is because it is orbiting a red dwarf star so close insted of a normal sun. You may think that it’s good that the moon has an atmospere, but every day it gets blown away! Because of the stellar winds.

You wouldn’t want to live on this planet, with all the volcano’s and heat!

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Lego mindstorms

Posted by carlos Thu, 27 Mar 2008 17:04:00 GMT

Lego mindstorms is a great way to start work with robotics. The person who made these robots has been playing with and making robots for a looong time!!!

As you can see these robots are very complex, with the motors and all! There is even a rubiks cube solver made out of lego!!! How cool is that!!! for more video’s click here

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Seed vault in Norway

Posted by carlos Mon, 24 Mar 2008 16:51:00 GMT

In Norway they have made a ginormous seed vault. It is politically part of norway but also in the arctic archipelago of svalbard and on the island of spitsbergen. It was built so that if a disaster was to occur, the survivers would open the seed vault and be able to grow lots of crops.

It is only 700 miles from the north pole. The cordinates to the seed vault are: 78 degrees north 15 degrees east. For more info click here
To make it cost a whopping $ 8 million. It is also 120 metres under ground!! 4.5 million seeds could be stored in there… WOW!

As you can see it is very big, cold and dark, so it has to be lit up with lights and heated up. But in this photo people are still working on it, unlike today because today it is finished.

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Domo robot

Posted by carlos Tue, 18 Mar 2008 16:40:00 GMT

The Domo robot is a very complex robot, built to help people do stuff, like make drinks. As you can see its eyes look really realistic. The person who made this robot specialises in humanoid robots, robots that look like humans.

Domo can also express feeling with his face motions!! HOW COOL IS THAT!? The brain-box who invented this ingenious robot is called Edsinger. click here for some more info about edsinger’s robots

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Rotifers

Posted by carlos Sat, 15 Mar 2008 13:43:00 GMT

Here is a film which I made with my uncle Peter, who is a scientist. We took some water samples from a dirty, still water pool on Puttenham Common. We had to use a microscope to veiw it then Peter stuck a normal digital camera on the top and filmed it. You CAN do this too!!

This is what we think aliens might look like. These are in fact rotifers, small creatures that stick to submerged plants, and live in wet places.

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Stephen Hawking

Posted by carlos Sun, 09 Mar 2008 12:51:00 GMT

A couple of months ago , I went to see stephen hawking at cheltenham literature festival. It was really cool and I got to ask him a question:

“what is at the end of the universe, if there is an end of the universe”

his answer was:

“I believe there is no end of the universe because it is always expanding so it will keep on getting darker and colder”

this is what he looks like:

Big crunch theory

However some people believe it will stop expanding and start contracting, right down to a point.

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Black holes

Posted by carlos Sun, 02 Mar 2008 17:28:00 GMT

Here is a picture of a black hole which I drew:

Black holes are when a star is so heavy it collapses in on itself and it becomes so dense and so strong in its gravitational pull, not even light can escape.

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NASA-astronomy picture of the day

Posted by carlos Tue, 19 Feb 2008 10:36:00 GMT

NASA’s astronomy picture of the day is a great way to explore the cosmos!

Here are 3 pictures which I think you should look at:

Sunspot in the Old Solar Cycle

Here is a picture of the sun. As you can see there are 2 sunspots. Sun spots are places on the sun where it is much cooler, so they appear dark.

Young Stars in the Rho Ophiuchi Cloud

Here is a picture of some baby stars in a nebula. As you can see one side of the nebula is bright, and the other is dark. This is because of the 2 gases. A nebula is what is left behind of a star that has died.

M1: The Crab Nebula from Hubble

Here is another nebula that was viewed by the hubble space telecope, the strongest telescope today.

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