Tampilkan postingan dengan label television. Tampilkan semua postingan
Tampilkan postingan dengan label television. Tampilkan semua postingan

Rabu, 02 Februari 2011

Could the Australian Government Turn Off the Internet

Could what has happened in Egypt occur in Australia? That is Turning off the internet. It is as easy as clicking a switch. A government would just contact the main telecommunications company explain the state of emergency and the telco would turn it off. Minor internet providers would follow.

A major problem for a government would be cutting off internet access of journalists. Much of their system is outside of public providers. Turn off that system and you stop government agencies talking to each other.

Cutting off access for major cities would be a waste of time. Television, radio and the print media could not be stopped. In a place like Australia where information transmission is decentralised there is no one person to instruct.

Let's face it - any Australian government that did pull the plug would self-destruct. There is no way the people would ever trust it again. There is also the problem of "leakage" as a few minor Internet providers refuse to submit - some are foreign owned.

Australians are just as smart as other people and many would find "work-arounds", so even if the switch was flicked it would not have much of an effect on communication to the outside. Business would be affected because the Internet is widely used.
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Kamis, 16 Desember 2010

New VHF Broadband From CSIRO

CSIRO continues its groundbreaking work in broadband technology. After taking US based computer manufacturers to court to make them pay for Wi-Fi developed by CSIRO, work goes ahead on wireless broadband.

The new system uses ordinary VHF antennas already on rooftops. Smithton in Tasmania is the town chosen for project testing. Terminals were set up on six farms, the furthest one being 8.2 km away from the transmitter. Phone, the Internet and video were tested. A speed of 12 megabits per second was achieved using just one TV channel. VHF channels are soon to be phased out with free to air television moving to UHF.

The new broadband is very efficient. Where television had broadcast using 40 kilowatts per channel, wireless Internet worked perfectly with 3-watt. The technique of "beamforming" was used: multi-user input and spacial division multiplexing output. Work still has to be done to improve downloading capability.

Such an Internet system is of paramount importance to Australia. With such a large country and a low population fiber optics to everyone is not possible. CSIRO is concerned about mobile services getting too much of the VHF band when TV eventually ends. There is not much doubt, however, that successful wireless broadband would be given priority by any government.
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Rabu, 10 Februari 2010

Don't Hire Clowns to Entertain Children

If you are planning to hire clowns to entertain children in a hospital, think again. Children do not like clowns and older children are afraid of them. All 250 patients aged from 4 to 16 years surveyed in a hospital disliked clowns. Adults may find clowns amusing but it appears that older children see them as scary, irrational beings.

So if you are a child and recovering from illness, the last thing you want to see is an odd adult dressed in colorful rags acting strangely. Maybe it would be better to hire a lady who presents children's television shows to cheer young patients up. Though a well known star once met a children's television presenter on a beach in Tasmania, When he introduced himself she promptly told him to !#?* off.
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