In a modern, multicore chip, every core—or processor—has its own small memory cache, where it stores frequently used data. But the chip also has a larger, shared cache, which all the cores can access.
Computer Sciences
Sep 10, 2015
2
1929
With 2.5 million daily users, the Tor network is the world's most popular system for protecting Internet users' anonymity. For more than a decade, people living under repressive regimes have used Tor to conceal their Web-browsing ...
Security
Jul 29, 2015
1
998
An immensely powerful yet invisible force pulls water from the earth to the top of the tallest redwood and delivers snow to the tops of the Himalayas. Yet despite the power of evaporating water, its potential to propel self-sufficient ...
Energy & Green Tech
Jun 16, 2015
17
6926
It looks like a Slinky suspended in motion.
Optics & Photonics
May 22, 2015
0
885
A UNSW-led research team has encoded quantum information in silicon using simple electrical pulses for the first time, bringing the construction of affordable large-scale quantum computers one step closer to reality.
Quantum Physics
Apr 10, 2015
7
2604
MIT researchers have developed a new, ultrasensitive magnetic-field detector that is 1,000 times more energy-efficient than its predecessors. It could lead to miniaturized, battery-powered devices for medical and materials ...
General Physics
Apr 6, 2015
7
3621
A longstanding problem in designing nanoscale electromechanical switches is the tendency for metal-to-metal contacts to stick together, locking the switch in an "on" position. MIT electrical engineering graduate student Farnaz ...
Nanophysics
Mar 5, 2015
0
1171
A team of researchers has built an array of light detectors sensitive enough to register the arrival of individual light particles, or photons, and mounted them on a silicon optical chip. Such arrays are crucial components ...
Quantum Physics
Jan 9, 2015
0
2037
(Phys.org)—Stanford engineers have designed and built a prism-like device that can split a beam of light into different colors and bend the light at right angles, a development that could eventually lead to computers that ...
Optics & Photonics
Dec 3, 2014
10
1
(Phys.org) —UT's College of Engineering has made recent headlines for discoveries that, while atomically small, could impact our modern world.
Nanophysics
Nov 19, 2014
1
0
