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Posts Tagged ‘science’

active ham radio satellites

February 10th, 2010 admin No comments

active ham radio satellites

NASA ISS On-Orbit Status 29 May 2010
All ISS systems continue to function nominally, except those noted previously or below.

Ear Vibration

February 7th, 2010 admin No comments

Ear Vibration
I think i might have a problem with my ear?

I am 16 years old. today in my class (I am taking a summer session at a college) in my left inner ear there seemed to be a vibration for about 5 seconds, but nothing in my right inner ear. it sorta sounded like an airplane flying overhead, but it was in only one ear. It didnt hurt, it just felt weird. does anyone know wat it is?

It sounds like tinnitus, and it normally is nothing to worry about. Here is a site that explains about this common complaint.
http://www.abattery.com/tinnitus.htm

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Ear Vibrating – 14 Causes of Tinnitus That Homeopathic Remedies Can’t Cure

Ear Vibrating

The high pitched squeal inside Dan’s work sounded as if a dentist’s drill search for a returning molar. There was no way of shutting it off. The invisible drill screeched night and day, and the one and only time he couldn’t hear it was when he was asleep. At times it was so loud he sympathy any person he appreciated might hear it, but his coworkers and friends were oblivious. Ear Vibrating

The shriek of the invisible drill was just for him — and him alone. He was the only one who heard it — and the only one who was going nuts. THE SHRIEKING NOISE IN YOUR INNER EAR There’s a lot of news about Tinnitus, and not much of it is good. If you have it, the noise you’re hearing is for you alone and it can be almost unbearable.

You may have caused it yourself by listening to loud music or exposing yourself, unprotected, to loud, sharp noises — but then again, maybe not. The problem is with the inner ear, so let’s take a brief look at how we hear to get an idea of what may have gone wrong. Ear Vibrating

The ear is divided up into three regions, outer, middle and inner. The outer ear funnels sound to the eardrum, otherwise known as the tympanic membrane, which transmits it through ossicles, small bones in the middle ear, to the cochlea, the fluid filled inner ear. Vibrations are then picked up by the fluid in the inner ear which cause hairs called “cilia” to vibrate. The vibrations are translated into electrical signals and delivered to the brain. Somewhere in this process Tinnitus arises, and if medical science completely understood it, there might be more solutions to the problem. Ear Vibrating

CAUSES ARE NUMEROUS, CURES ARE FEW There are at least 14 possible conditions that can give rise to Tinnitus.

1. Noise damage. 90 percent of all tinnitus cases are usually associated with hearing loss due to the destruction of the cilia in the inner ear.

2. Wax buildup. If this is the case, get it professionally removed.

3. Meniere’s Disease.

4. Environmental Exposure, primarily to cold conditions.

5. Medications such as Aspirin, Quinine, Antibiotics, and Anti-Inflammatories.

6. Stiffening of the bones in the middle ear. Ear Vibrating

7. Cardiovascular problems such as Hypertension or Atherosclerosis (If your Tinnitus seems to pulsate with your heartbeat, you may have Pulsatile Tinnitus). 9. Tumors

10. Head or neck trauma.

11. Disorders and diseases such as hypo-hyperthyroidism or Lyme disease.

12. Age related — 60 and above.

13. High blood pressure due to stress, alcohol or caffeine. Ear Vibrating

14. Foods such as red wine, cheese and chocolate.

Your doctor will advise you as to how to deal with these conditions. The answer might be as simple as giving up cheese or (gasp) chocolate. Suffering from Ringing Ears and Tinnitus? Get your life back forever by checking out Ear Vibrating now.

About the Author

Been suffering from Tinnitus? Get Ear Vibrating to END it now!

Try the Program now and get back your
Life!

AT&T and Samsung Mobile Announce Upcoming Availability of the Samsung Rugby(R) II
Next generation rugged phone runs on AT&T’s Push to Talk network read more

ham radio video course

February 6th, 2010 admin No comments

ham radio video course

England v Bangladesh – live!
Our all-singing, all-dancing desktop scorecard is here (warning: may not actually sing or dance). Review yesterday’s action here .Click on auto-refresh for all the latest action. You can email your thoughts or musings to andy.bull@guardian.co.uk Bob Willis is ringing the Lord’s bell. As the OBO writer said to the Bishop. “You’re right about the questions over today’s …

ham radio waves

January 28th, 2010 admin No comments

ham radio waves
What kinds of things can you hear on a short wave radio or ham radio? What is the difference between the two?

I know there are hobbyists who enjoy this, but I don’t know anything about it and wonder what people enjoy about it.

“Shortwave radio” technically includes all radio emissions on frequencies between 3 and 30 megahertz. Because some of those frequencies are used by ham radio operators, one could say that there is no difference. But that would be too simple. “Shortwave radio” in common parlance is the commercial, governmental, or religious broadcasting for public reception of entertainment, news, sports, music, or other programming on frequencies that can support long-distance propagation via the ionosphere. If you like listening to such programs for their intrinsic value, or spending time trying to hear hard-to-hear stations of that class without trying to make two-way contacts, shortwave listening is for you.

Amateur radio, which is what most people call “ham radio,” is a hobby and a communications service that generally involves the transmission and reception by licensed radio operators of noncommercial radio signals directed to other similar licensed radio operators on frequencies allocated for that purpose by world and national telecommunication authorities. Active participation in ham radio requires obtaining a license through successful completion of examinations administered by governments or other ham-radio operators, although anyone with the proper receiving equipment and antennae can listen to transmissions made by ham radio operators to each other.

I’m a ham radio operator, and I like knowing Morse Code (which many hams do) and being able to contact stations in distant lands with a simple transmitter/receiver combo using a simple wire antenna and only a fraction of the power that shortwave broadcasters use — I once made a contact while in the Eastern United States with a station in Mauritius while using 5 watts of power, an amount that would barely light a small light bulb!

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A secluded gem on the road less travelled
For all but relatively few of Bali’s millions of visitors, the island’s north remains a mystery destination.

ham radio universe

January 27th, 2010 admin No comments

ham radio universe

Google: Too Many Moving Parts?
Back in August 2006, The Oxford English Dictionary updated its definitive record of the language with a new entry, adding “Google” as a verb, meaning to search the Internet.

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