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    CERN’S HADRON COLLIDER OPERATES AS A HIGH ENERGY ACCELERATOR
    November 30, 2009 - Switzerland

    "CERN's Large Hadron Collider has today become the world's highest energy particle accelerator, having accelerated its twin beams of protons to an energy of 1.18 TeV in the early hours of the morning," said the organisation. A teraelectronvolt (TeV) is equivalent to the energy level of a flying mosquito, while CERN wants to ultimately achieve maximum power of 7.0 teraelectronvolts or trillion electronvolts in its bid to replicate the big bang that started the universe.

    ARTIFICIAL HEART
    November 30, 2001 - Louisville, U.S.A.

    In 2001, Robert Tools, 59, the first person in the world to receive a fully self-contained artificial heart, died in Louisville, Ky. Five months earlier, on 2 Jul 2001, doctors at Jewish Hospital in Louisville had implanted the AbioCor heart replacement. He died of internal bleeding and organ failure after living with the device whirring in his chest for 151 days. Doctors said the death was not caused by problems with the AbioCor heart device. They blamed the severe abdominal bleeding on long-standing health problems. Unlike earlier artificial hearts (such as the Jarvik-7) the AbioCor has no wires or tubes that stick out of the chest and connect to a big compressor. The battery-powered, plastic-and-titanium device is the size of a softball.

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How To Brew Your Own Beer :

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There's no bottle of brew that tastes quite as good as the one you've made yourself. It's also a fun hobby. So what are you waiting for? Here's how to brew your own beer.

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There's no bottle of brew that tastes quite as good as the one you've made yourself. It's also a fun hobby. So what are you waiting for? Here's how to brew your own beer.

There's some equipment you are going to need. You should be able to pick it all up for under $200, and it's not hard to find. Any local brewing supply store or online brewing site will have everything you need which includes:

Brewing Pot

Plastic hose

Fermenter

Bottling bucket

Airlock and stopper

Bottle brush

Bottle capper

Thermometer – the stick-on type is best

Small bowl

Saucepan

Spatula

Oven mitts

Wooden mixing spoons

The easiest way, especially for beginners, is to pick up a beer kit. It will contain all the needed ingredients, which include yeast and hopped malt concentrate. You also need to buy fermentables, which are what add the different flavors to your brew. Of course you can buy your ingredients separately, but the kit is a foolproof way to get everything you need.

You will need to sanitize all your equipment. In fact, it's the most important thing you will do. Clean everything with hot soapy water. Then you need to sanitize all your equipment by using either the iodine solution or chlorine solution that came with your brewing equipment.

Now that everything is sterilized, you are ready to start. Put two quarts of water in your brew pot; then heat to around 180F or until it steams; then remove it from the heat. Add your beer kit and fermentables. Follow the instructions provided with your kit.

Stir until everything is dissolved; then put the lid on and leave it sit for 20 minutes on low heat. Add your mix, which is called the wort, to the fermenter which should be filled with four gallons of water. Stir for 4 minutes. This oxygenizes the mixture. When the wort is cool to the touch you can add your yeast.

Now it's time to let your wort ferment. The process starts right away and continues for 5 days. During this period it's important to keep the temperature constant, around 65F, and to keep your wort in a dark place. You'll be able to tell when your wort is fermenting because you will see tiny little air bubbles rising to the top.

When 5 day arrives you need to start checking your beer each day. When there are no more air bubbles your beer is ready to bottle. Don't be impatient. If you don't wait for the fermenting to complete you'll wreck your beer's taste.

Before you bottle you have to prepare what's called the primary solution. This is what carbonates the beer. In your saucepan add 2 cups of water and


Source : PLR

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