UTS_57152_IRDE: Asst 2
Ian Townsend : In the past few years, the world has made another giant leap into space. Like never before, the world's economy has embraced satellites, especially the incredibly useful GPS navigation satellites. Satellite receivers are being put into mines, trucks, trains, ships, phones, containers of bananas, stock exchanges; almost everything is now being tethered by digital signals to space. Satellites are fast becoming part of everything we do, from farming to banking, and dating to driving.
Ian Townsend : In the past few years, the world has made another giant leap into space. Like never before, the world's economy has embraced satellites, especially the incredibly useful GPS navigation satellites. Satellite receivers are being put into mines, trucks, trains, ships, phones, containers of bananas, stock exchanges; almost everything is now being tethered by digital signals to space. Satellites are fast becoming part of everything we do, from farming to banking, and dating to driving. Ian Townsend : In New South Wales, for instance, the Roads and Traffic Authority is testing a safety device, said to be the biggest thing since seatbelts. It's called 'intelligent speed adaptation', and it's getting drivers to stick to the speed limit and slow down in school zones.
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Artist's conception of GPS Block II-F satellite in Earth orbit. U.S. Air Force Senior Airman runs through a checklist during Global Positioning System satellite operations.
I've just bought a new phone that is GPS-enabled and it got me wondering, how does GPS actually work? And how accurate is it? If you've ever been walking in an unfamiliar city and got lost in a maze of streets, you'd appreciate having a mobile with GPS to let you know exactly where you are. These phones contain a GPS receiver, similar to the ones you can buy for your car.
Problems Concerns GPS devices show my home/business in the wrong place.
Updated Tue Jun 16, 2009 11:57am AEST Map Data Map data ©2013 GBRMPA, Google Map Satellite
Backgrounder Read key reports, news and statistics. Plus links, helplines, support and advisory groups. Reporter:
ELEANOR HALL: An expert on dementia says governments need to change their attitudes to the condition or risk exacerbating the problem as Australia's population ages. Professor Julian Hughes is a British psychiatry consultant and an international authority on ethics in dementia care. Professor Hughes is in Australia as a guest of Alzheimer's Australia. He told Simon Lauder that although millions of dollars are spent on dementia research in Australia it's not enough and that many ethical issues don't get sufficient consideration. JULIAN HUGHES: I can instantly think of two broad areas to talk about.
An NHS trust has become the first in the country to try fitting dementia patients with tracking devices. The Oxfordshire and Buckinghamshire Mental Health Trust has worked with a technology company to develop an electronic tag for people with the condition. Sue Fulford-Dobson's partner Ian loves to take an evening stroll. Unfortunately, his vascular dementia means he then forgets where he is. "He is fascinated by sunsets," said Sue. "So suddenly at eight o'clock at night he will say: 'There's a lovely sunset; I think I'll just go and see if I can see it better'.
References Agouridis C, Stombaugh T, Workman S, Koostra B, Edwards D, Vanzant E (2004 ) Suitability of a GPS collar for grazing studies. Transactions of the American Society of Agricultural Engineers 47 , 1321–1329.
This is a story of chaos versus order. It's the story of how engineers and mathematicians are trying to impose order on one of the greatest plagues of the modern era - traffic. Australia has one of the world's leading systems for adaptive traffic control. But we're all still sitting in traffic jams, getting angry, and Catalyst wants to know why. It seems the problem with traffic is human behaviour; it's the one thing that's hard to build into traffic systems.
Guardian angel for pedestrians Mobile warning system against traffic accidents You don’t have to visit Iraq to lead a dangerous life – just step out of your house and try to cross the street.
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