21/04/2015

Twitter moves to stem violent threats, abuse

Twitter on Tuesday began implementing a new policy aimed at curbing use of the social network to incite violence, and to crack down on abuse and harassment on the service.

NATO to hold major cyber defense drill in Estonia

About 400 computer experts will participate in a major cybersecurity drill in Estonia this week as part of NATO's efforts to upgrade its capability to counter potentially debilitating hacker attacks.

Virtual telescope expands to see black holes

Astronomers building an Earth-size virtual telescope capable of photographing the event horizon of the black hole at the center of our Milky Way have extended their instrument to the bottom of the Earth—the South Pole—thanks ...

Certain interactive tools click with web users

Before web developers add the newest bells and the latest whistles to their website designs, a team of researchers suggests they zoom in on the tools that click with the right users and for the right tasks.

Printing silicon on paper, with lasers

In seeking to develop the next generation of micro-electronic transistors, researchers have long sought to find the next best thing to replace silicon. To this end, a wealth of recent research into fully flexible electronic ...

New electronic paper could make inexpensive electronic displays

Researchers from the University of Tokyo have revamped an old e-paper concept to make an inexpensive handwriting-enabled e-paper well suited to large displays like whiteboards. They describe the e-paper in the Journal of ...

Image: Claude Nicollier repairing Hubble

This week marks the 25th anniversary of the launch of the Hubble space telescope. Hubble was designed to be maintained and repaired by astronauts and since its launch in 1990 five Space Shuttle missions made visits.

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