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DUK10087080_015
NEWS - Russischer Ex-Spion in England wohl vergiftet worden
Mandatory Credit: Photo by Peter MacDiarmid/REX/Shutterstock (9449854i)
U.S. TV network NBC broadcasts from outside Salisbury District hospital
Russian spy critically ill after being exposed to unknown substance, Salisbury, UK - 06 Mar 2018
Former Russian spy Sergei Skripal and his daughter were taken to Salisbury District hospital after becoming ill with suspected poisoning. The couple where found unconscious on bench in Salisbury shopping centre. Specialist units have been called in to deal with any possible contamination.
(c) Dukas -
DUKAS_32678794_REX
What if you could see Wi'Fi - 25 Jul 2013
Mandatory Credit: Photo by Nickolay Lamm/MyDeals.com / Rex Features (2714218e)
Artist's impression of WiFi waves at The Natioanl Mall, Washington, D.C
What if You Could See Wi-Fi...
What If You Could See WiFi?
Although we use it often, we rarely think about how it works. Now, American artist Nickolay Lamm has worked with former NASA Astrobiologist M. Browning Vogel to produce these colourful depictions illustrating wifi waves.
One image featuring New York's Central Park shows an idealised wifi data transmitted over a band that is divided into different sub-channels, which are shown in red, yellow, green and other colours.
Another image featuring Washington D.C.s National Mall depicts Wifi waves travelling through space as rapid, data encoded pulses or waves. A 'freeze frame' of these pulses shows that the pulses are about 6 inches apart.
Nickolay explains: "Wifi routers or antenna can be attached to trees, buildings, lamp posts and other structures. A typical outdoor router can project its signal 300 feet or more from its location. Objects such as trees can obstruct the signal such that it has to be augmented by multiple wifi routers placed in different positions."
MUST CREDIT: Nickolay Lamm/MyDeals.com
For more information visit http://www.rexfeatures.com/stacklink/KEKYFWCYG (FOTO:DUKAS/REX)
DUKAS/REX