tag: MIT

System Bits: Sept. 15
By Ann Mutschler - 15 Sep, 2015 - Comments: 0

Cache-coherence innovation for thousand-core chips MIT researchers are getting ready to unveil what they say is the first fundamentally new approach to cache coherence in more than three decades. They reminded that in a modern, multicore chip, every processor core has its own small memory cache, where it stores frequently used data. The chip also has a larger, shared cache, which all the cores... » read more

Manufacturing Bits: Sept. 15
By Mark LaPedus - 15 Sep, 2015 - Comments: 0

Lasersabers and laser swords In 2013, the California Institute of Technology, Harvard and the Massachusetts Institute of Technology (MIT) found a way to bind two photons, thereby forming photonic molecules. To accomplish this feat, Caltech, Harvard and MIT pumped rubidium atoms into a vacuum chamber. They used lasers to cool the atoms. Then, they fired photons into a cloud of atoms. This, ... » read more

System Bits: Sept. 8
By Ann Mutschler - 08 Sep, 2015 - Comments: 0

Engineering verifies disarmament agreements While it might sound a bit far fetched at first glance, an MIT PhD has developed a tool to identify nuclear weapons. Ruaridh Macdonald, now working on a nuclear weapons verification project in the Laboratory for Nuclear Security and Policy, whereby the linchpin of disarmament agreements is to be able to verify that the signers are following the ru... » read more

Power/Performance Bits: Sept. 8
By Ann Mutschler - 08 Sep, 2015 - Comments: 0

Solar water-splitting By splitting water molecules, Rice University researchers have demonstrated what they say is an efficient way to capture energy from the sun and convert it into clean, renewable energy. The technology relies on a configuration of light-activated gold nanoparticles that harvest sunlight and transfer solar energy to highly excited electrons, which scientists sometimes re... » read more

Power/Performance Bits: Sept. 1
By Jesse Allen - 01 Sep, 2015 - Comments: 0

Growing graphene nanoribbons University of Wisconsin-Madison engineers discovered a way to grow graphene nanoribbons with desirable semiconducting properties directly on a conventional germanium semiconductor wafer. This could allow manufacturers to easily use graphene nanoribbons in hybrid integrated circuits, which promise to significantly boost the performance of next-generation electroni... » read more

Manufacturing Bits: August 25
By Mark LaPedus - 25 Aug, 2015 - Comments: 0

South Pole neutrinos A group of researchers using an instrument buried deep in the ice at the South Pole have announced a new observation of high-energy neutrinos from beyond our solar system and the galaxy. The IceCube Neutrino Observatory, a cubic-kilometer-sized detector sunk into the ice sheet at the South Pole, allows researchers to see the byproducts of neutrino interactions with the ... » read more

System Bits: Aug. 25
By Ann Mutschler - 25 Aug, 2015 - Comments: 0

Quantum computer building block In a finding that could ultimately be used to produce key components of quantum computers in the future, a team of researchers led by MIT have analyzed an exotic kind of magnetic behavior, driven by the mere proximity of two materials, using a technique called spin-polarized neutron reflectometry. This discovery could also be used to probe a variety of exotic... » read more

System Bits: Aug. 18
By Ann Mutschler - 18 Aug, 2015 - Comments: 0

Optical computing for big data Given the potential for optical electronics to be applied to big data processing tasks, alumni of the University of Cambridge, including from the Department of Engineering, have gone on to found Optalysys, a company with the goal of making computer processors that use light instead of electricity. The Cambridge spinout’s latest achievement is a functioning p... » read more

System Bits: July 7
By Ann Mutschler - 07 Jul, 2015 - Comments: 0

Faster lasers for better memory To visualize in four dimensions the changing atomic configurations of materials undergoing phase changes — which happens when data is recorded on DVDs and Blu-ray disks — Caltech researchers have adopted a novel technique called ultrafast electron crystallography (UEC) that uses ultrafast laser pulses that speed up the data recording process. Interestingl... » read more

Power/Performance Bits: June 30
By Jesse Allen - 30 Jun, 2015 - Comments: 0

Tiny, solar-powered sensors Last week, at the Symposia on VLSI Technology and Circuits, MIT researchers presented a new power converter chip that can harvest more than 80 percent of the energy trickling into it, even at the extremely low power levels characteristic of tiny solar cells. Previous ultralow-power converters that used the same approach had efficiencies of only 40 or 50 percent. ... » read more

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