tag: Caltech

Manufacturing Bits: July 28
By Mark LaPedus - 28 Jul, 2015 - Comments: 0

Molecular chips Researchers from various organizations have devised a transistor consisting of a single molecule and a few atoms. The work could one day lead to the integration of molecular-based devices with existing semiconductor technologies. This work was conducted by Paul-Drude-Institut für Festkörperelektronik (PDI), Freie Universität Berlin (FUB), NTT and the U.S. Naval Research L... » 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

Manufacturing Bits: April 7
By Mark LaPedus - 07 Apr, 2015 - Comments: 0

Liquid metal for Terminator robots The Chinese Academy of Sciences and Tsinghua University have devised a robot-like, self-fueled liquid metal mollusk. The liquid metal alloy within the system can move by itself and change form like the shape-shifting T-1000 robot in the movie Terminator 2: Judgment Day. The system consists of a liquid metal motor. The liquid metal is a mix of gallium, i... » read more

Power/Performance Bits: April 7
By Jesse Allen - 07 Apr, 2015 - Comments: 0

Hybrid supercapacitors Researchers at UCLA combined the best qualities of batteries and supercapacitors in a new 3-D hybrid supercapacitor. Based on laser-scribed graphene and manganese dioxide, the new component stores large amounts of energy, recharges quickly and can last for more than 10,000 recharge cycles. The team also created a microsupercapacitor small enough to fit in wearable o... » read more

System Bits: March 24
By Ann Mutschler - 24 Mar, 2015 - Comments: 0

A better band-aid UC Berkeley engineers are working on a bandage that can detect bedsores before they are visible - while recovery from them is still possible. Leveraging flexible electronics advancements, the researchers collaborated with colleagues at UC San Francisco to create their “smart bandage” that uses electrical currents to detect early tissue damage from pressure ulcers as th... » read more

Power/Performance Bits: March 17
By Jesse Allen - 17 Mar, 2015 - Comments: 0

Artificial photosynthesis: leaves of nickel Inspired by a chemical process found in leaves, Caltech scientists developed an electrically conductive film that could help pave the way for devices capable of harnessing sunlight to split water into hydrogen fuel. When applied to semiconducting materials (it's been tested with silicon, indium phosphide, and cadmium telluride), the team's film ... » read more

Power/Performance Bits: Dec. 2
By Ann Mutschler - 02 Dec, 2014 - Comments: 0

Harvesting more of the sun's energy As solar panels become less expensive and capable of generating more power, solar energy is becoming a more commercially viable alternative source of electricity and today’s photovoltaic cells can only absorb and use a small fraction of that light, which means a significant amount of solar energy goes untapped. However, a new technology created by research... » read more

System Bits: Nov. 11
By Ann Mutschler - 11 Nov, 2014 - Comments: 0

How transistors operate at absolute zero Research led by scientists at Chalmers University of Technology in Sweden and Caltech in California have demonstrated how noise in a microwave amplifier is limited by self-heating at very low temperatures, which is expected to be of importance for future discoveries in such as quantum computers and radio astronomy. The team also included researchers ... » read more

Power/Performance Bits: July 22
By Ann Mutschler - 22 Jul, 2014 - Comments: 0

Lasers to replace quartz in electronics? While nearly all electronics today require devices called oscillators that create precise frequencies, future high-end navigation systems, radar systems, and even possibly tomorrow's consumer electronics will require references beyond the performance of quartz, according to researchers at Caltech. In fact, these researchers have developed a method to... » read more

Manufacturing Bits: July 1
By Mark LaPedus - 01 Jul, 2014 - Comments: 0

Nanotubes in 4D The California Institute of Technology (Caltech) has continued to advance its efforts in four-dimensional electron microscopy. In 4D microscopy, electrons bombard a sample. Each electron scatters off the sample. This produces an image at just a femtosecond in duration. Then, millions of the images are stitched together, which, in turn, produces a digital movie in 4D. [cap... » read more

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