The American telecommunications giant MCI last week began field trials of an
optical switching system developed by the Japanese company Hitachi. At present
all telephone traffic is switched electronically, even on fibre-optic networks.
The test on telephone traffic in Dallas “marks the first step towards the
creation of the world’s first completely optical network”, said Fred Briggs, the
company’s chief engineer.
More from New ÒÁÈ˾þÃ
Explore the latest news, articles and features
Mind
Floatation tanks deployed to combat PTSD after devastating wildfires
News
Mind
What is love? Even a meeting on the subject can't find the answer
News
Mind
How I used psychology to come back from the worst year of my life
Features
Health
The 3 things you need to know about protein, according to an expert
Comment
Popular articles
Trending New ÒÁÈ˾þà articles
1
The ‘doomsday’ glacier’s giant ice shelf is about to break away
2
How I used psychology to come back from the worst year of my life
3
The hidden pockets of the universe where the future can cause the past
4
Cleaning up air pollution could weaken vital AMOC ocean current
5
A new tectonic plate boundary could be forming in southern Africa
6
PCOS has been officially renamed PMOS, and it’s a momentous move
7
Why autism pioneer Uta Frith wants to dismantle the spectrum
8
Neanderthals treated a dental cavity by drilling into the tooth
9
SpaceX is about to launch tallest and most powerful rocket in history
10
Asteroid set to fly very close to Earth
