umarkalim - Slashdot User

Submission + - Africa 'leapfrogs' to wider internet access (aljazeera.com)

Submitted by umarkalim on Tuesday September 03, 2013 @02:23PM

umarkalim writes: In an interview to Aljazeera, Les Cottrell at the SLAC National Accelerator Laboratory explains how Africa will actually 'leapfrog' the need to install hard-wired cables. He highlights that it is often overlooked that the continent is huge and that the countries are diverse. He says that "the cost of the infrastructure is quite high, especially if you have to connect every home with copper cables and fibre-optic cables ... I think in many cases Africa will actually 'leapfrog' the need to install hard-wired cables everywhere, and will be able to use different techniques such as the BRCK modem, the low-earth orbiting satellites or the 3G solutions to get connectivity to where they need."

Submission + - Viewing the Ultra-fast (stanford.edu)

Submitted by umarkalim on Tuesday May 31, 2011 @11:25AM

umarkalim writes: Staff Scientist Apurva Mehta says, "For 40 years at Stanford Synchrotron Radiation Lightsource (SSRL), we have been taking very high-resolution photographs-photographs of atoms in molecules and crystals and of electronic structures. But now we want to make movies." He and his colleagues are developing a new "pump-probe" facility that promises to expand SSRL's capabilities and complement those of SLAC's X-ray laser, the Linac Coherent Light Source.

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