feed on feeds - 2015/02/14 - items 0 to 15

Staden Debaltseve stod i centrum för striderna i östra Ukraina timmarna innan vapenvilan skulle träda i kraft.

An anonymous reader writes: Oxford University is [building] a system that takes light from the fiber, amplifies it, and beams it across a room to deliver data at more than 100 gigabits per second. ... The trick, of course, is getting the light beam exactly where it needs to go. An optical fiber makes for a target that's only 8 or 9 micrometers in diameter, after all. The team, which also included researchers from University College, London, accomplished this using so-called holographic beam steering at both the transmitter and receiver ends. These use an array of liquid crystals to create a programmable diffraction grating that reflects the light in the desired direction. ... With a 60-degree field of view, the team was able to transmit six different wavelengths, each at 37.4 Gb/s, for an aggregate bandwidth of 224 Gb/s (abstract). With a 36-degree field of view, they managed only three channels, for 112 Gb/s.

Read more of this story at Slashdot.

An anonymous reader writes: Oxford University is [building] a system that takes light from the fiber, amplifies it, and beams it across a room to deliver data at more than 100 gigabits per second. ... The trick, of course, is getting the light beam exactly where it needs to go. An optical fiber makes for a target that's only 8 or 9 micrometers in diameter, after all. The team, which also included researchers from University College, London, accomplished this using so-called holographic beam steering at both the transmitter and receiver ends. These use an array of liquid crystals to create a programmable diffraction grating that reflects the light in the desired direction. ... With a 60-degree field of view, the team was able to transmit six different wavelengths, each at 37.4 Gb/s, for an aggregate bandwidth of 224 Gb/s (abstract). With a 36-degree field of view, they managed only three channels, for 112 Gb/s.

Read more of this story at Slashdot.

En man har mist livet, och gärningsmannen är på flykt, beväpnad. Attentatet i Köpenhamn var riktat mot konstnären och Muhammedtecknaren Lars Vilks.

Lars Vilks kommenterar nu attacken mot kulturhuset i Köpenhamn till nyhetsbyrån AP. Han drar paralleller till attacken mot satirtidningen Charlie Hedbo i Paris.

Timmarna efter attacken i Köpenhamn fördömdes den av en rad politiker från olika länder.

Två personer omkom i en svår trafikolycka mellan två bilar på riksväg 77 utanför Knivsta på lördagen.

En person upptäckte att det såg ut att finnas stora mängder blod på en gata i de centrala delarna av Östersund på lördagskvällen. Polisen larmades och ryckte ut, men kunde snabbt blåsa faran över.

mrflash818 sends this report from Mashable: A decade ago, Netflix meant DVDs by mail, video referred to TV and the Internet meant simple text and pictures. All that changed in about 20 months. ... It was hard to get a handle on what YouTube was, exactly. The founders didn't know how to describe the project, so they called it a dating site. But since there weren't many videos on the site, Karim populated it with videos of 747s taking off and landing. Desperate to get people on the site, YouTube ran ads on Craigslist in Los Angeles and Las Vegas, offering women $20 for every video they uploaded. Not a single woman replied. Another vision for YouTube was a sort of video messaging service. “We thought it was going to be more of a closer circle relationship,” Chen said in a 2007 interview. “It was going to be me uploading a video and sharing it with eight people and I knew exactly who was going to be watching these videos — sharing with my family and my friends.” What actually happened was a “completely different use case” in which people uploaded videos and shared them with the world.