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The Lead

Researchers close in on pure lithium anode

July 31, 2014 4:15 pm | by Andrew Myers, Stanford Univ. | News | Comments

In a recent paper, a team at Stanford Univ. which includes materials science expert Yi Cui and 2011 R&D Magazine Scientist of the Year Steven Chu report that they have taken a big step toward accomplishing what battery designers have been trying to do for decades: design a pure lithium anode.

Hummingbirds vs. helicopters: Stanford engineers compare flight dynamics

July 30, 2014 2:31 pm | by Bjorn Carey, Stanford News Service | Videos | Comments

More than 42 million years of natural selection have turned hummingbirds into some of the world'...

Study shows how to power California with wind, water and sun

July 25, 2014 6:49 am | by Rob Jordan, Stanford Univ. | News | Comments

New Stanford Univ. research outlines the path to a...

Uncertainty gives scientists new confidence in search for novel materials

July 11, 2014 8:19 am | by Andrew Gordon, SLAC National Accelerator Laboratory | News | Comments

Scientists at Stanford Univ. and the Dept. of Energy (DOE)’s SLAC National Accelerator...

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2014 R&D 100 Award Winners

July 11, 2014 7:30 am | Award Winners

Introducing R&D Magazine's 2014 R&D 100 Award winners. The 2014 R&D 100 Award Winners are listed below in alphabetical order by the name of the primary developer company.

Engineering a more efficient fuel cell

July 9, 2014 10:38 am | by Glen Martin, Stanford New Service | News | Comments

Using high-brilliance x-rays, Stanford Univ. researchers track the process that fuel cells use to produce electricity, knowledge that will help make large-scale alternative energy power systems more practical and reliable. Fuel cells use oxygen and hydrogen as fuel to create electricity; if the process were run in reverse, the fuel cells could be used to store electricity, as well.  

Engineers envision electronic switch just three atoms thick

July 1, 2014 9:53 am | by Tom Abate, Stanford Engineering | News | Comments

Computer simulation has shown Stanford Univ. engineers how to make a crystal that would toggle like a light switch between conductive and non-conductive structures. This flexible, switchable lattice, just three atoms thick, can be turned on or off by mechanically pushing or pulling, and could lead to flexible electronic materials.

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Bioengineers invent way to speed up drug discovery

June 19, 2014 4:20 pm | by Tom Abate, Stanford Engineering | Videos | Comments

Think of the human body as an intricate machine whose working parts are proteins: molecules that change shape to enable our organs and tissues to perform tasks such as breathing, eating or thinking. Of the millions of proteins, 500 in the kinase family are particularly important to drug discovery. Kinases are messengers: They deliver signals that regulate and orchestrate the actions of other proteins.

Breakthrough provides picture of underground water

June 18, 2014 10:52 am | by Rob Jordan, Stanford Woods Institute for the Evironment | News | Comments

Superman isn't the only one who can see through solid surfaces. In a development that could revolutionize the management of precious groundwater around the world, Stanford Univ. researchers have pioneered the use of satellites to accurately measure levels of water stored hundreds of feet below ground.

Scientists find stronger 3-D material that behaves like graphene

June 3, 2014 8:17 am | by Glennda Chui, SLAC National Accelerator Laboratory | News | Comments

Scientists have discovered a material that has the same extraordinary electronic properties as 2-D graphene, but in a sturdy 3-D form that should be much easier to shape into electronic devices such as very fast transistors, sensors and transparent electrodes. The material, cadmium arsenide, is being explored independently by three groups.

Researchers discover immune system’s rules of engagement

May 22, 2014 2:06 pm | News | Comments

A new study reveals how T cells, the immune system’s foot soldiers, respond to an enormous number of potential health threats. X-ray studies at the SLAC National Accelerator Laboratory, combined with Stanford Univ. biological studies and computational analysis, revealed remarkable similarities in the structure of binding sites which allow a given T cell to recognize many different invaders that provoke an immune response.

Engineer invents safe way to transfer energy to medical chips in the body

May 22, 2014 11:43 am | by Tom Abate, Stanford Engineering | Videos | Comments

A Stanford Univ. electrical engineer has invented a way to wirelessly transfer power deep inside the body, and then use this power to run tiny electronic medical gadgets such as pacemakers, nerve stimulators or new sensors and devices yet to be developed. The discoveriesculminate years of efforts to eliminate the bulky batteries and clumsy recharging systems that prevent medical devices from being more widely used.

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A new way to harness waste heat

May 21, 2014 7:55 am | by David L. Chandler, MIT News Office | News | Comments

Vast amounts of excess heat are generated by industrial processes and by electric power plants; researchers around the world have spent decades seeking ways to harness some of this wasted energy. Most such efforts have focused on thermoelectric devices, solid-state materials that can produce electricity from a temperature gradient, but the efficiency of such devices is limited by the availability of materials.

Research leads to new understanding of how cells grow, shrink

May 19, 2014 10:44 am | by Tom Abate, Stanford Engineering | News | Comments

For a century biologists have thought they understood how the gooey growth that occurs inside cells causes their protective outer walls to expand. Now, Stanford Univ. researchers have captured the visual evidence to prove the prevailing wisdom wrong. The finding may lead to new strategies for fighting bacterial diseases.

Research reveals value of large animals in fighting disease

May 5, 2014 8:12 am | by Rob Jordan, Stanford Woods Institute for the Evironment | News | Comments

Don't let their cute names fool you: The Mearns' pouch mouse and the delicate mouse can be dangerous. These and other rodents commonly harbor pathogens that can be deadly to humans. According to new research by Stanford Univ. scientists, populations of pathogen-carrying rodents can explode when larger animals die off in an ecosystem, leading to a doubling in the risk of potentially fatal diseases spreading to humans.

Bioengineers create circuit board modeled on the human brain

April 29, 2014 9:47 am | by Tom Abate, Stanford Engineering | News | Comments

Stanford Univ. bioengineers have developed faster, more energy-efficient microchips based on the human brain—9,000 times faster and using significantly less power than a typical PC. This offers greater possibilities for advances in robotics and a new way of understanding the brain. For instance, a chip as fast and efficient as the human brain could drive prosthetic limbs with the speed and complexity of our own actions.

Like a hall of mirrors, nanostructures trap photons inside ultra-thin solar cells

April 23, 2014 8:13 am | by Tom Abate, Stanford Engineering | News | Comments

In the quest to make sun power more competitive, researchers are designing ultra-thin solar cells that cut material costs. At the same time, they’re keeping these thin cells efficient by sculpting their surfaces with photovoltaic nanostructures that behave like a molecular hall of mirrors.

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Scientists discover way to make ethanol without corn, other plants

April 10, 2014 9:00 am | by Mark Shwartz, Stanford Univ. | News | Comments

Stanford Univ. scientists have found a new, highly efficient way to produce liquid ethanol from carbon monoxide gas. This promising discovery could provide an eco-friendly alternative to conventional ethanol production from corn and other crops, say the scientists. Their results are published online in Nature.

Engineers design video game controller that can sense players’ emotions

April 8, 2014 8:25 am | by Bjorn Carey, Stanford News Service | Videos | Comments

Sometimes, a dozen ravenous zombies just aren't exciting enough to hold a video gamer's interest. The next step in interactive gaming, however, could come in the form of a handheld game controller that gauges the player's brain activity and throws more zombies on the screen when it senses the player is bored.

Study: Wind farms can provide a surplus of reliable clean energy to society

March 21, 2014 8:33 am | by Mark Shwartz, Stanford Univ. | News | Comments

The demand for solar and wind power continues to skyrocket. Since 2009, global solar photovoltaic installations have increased about 40% a year on average, and the installed capacity of wind turbines has doubled. The dramatic growth of the wind and solar industries has led utilities to begin testing large-scale technologies capable of storing surplus clean electricity and delivering it on demand when sunlight and wind are in short supply.

Researchers survey protein family that helps brain form synapses

March 19, 2014 8:35 am | by Tom Abate, Stanford Engineering | News | Comments

Neuroscientists and bioengineers at Stanford Univ. are working together to solve a mystery: How does nature construct the different types of synapses that connect neurons—the brain cells that monitor nerve impulses, control muscles and form thoughts.

Flexible carbon nanotube circuits are more reliable, power efficient

March 18, 2014 9:57 am | News | Comments

Engineers would love to create flexible electronic devices, such as e-readers that could be folded to fit into a pocket. One approach they are trying involves designing circuits based on electronic fibers, known as carbon nanotubes, instead of rigid silicon chips. But reliability is essential.

New evidence from space supports Stanford physicist’s theory of how universe began

March 17, 2014 12:37 pm | by Bjorn Carey, Stanford News Service | News | Comments

The detection of gravitational waves by the BICEP2 experiment at the South Pole supports the cosmic inflation theory of how the universe came to be. The discovery, made in part by Asst. Prof. Chao-Lin Kuo, supports the theoretical work of Stanford Univ.'s Andrei Linde.  

Smartphones become “eye-phones” with new low-cost opthalmologic devices

March 7, 2014 1:22 pm | by Rosanne Spector, Stanford Univ. School of Medicine | News | Comments

Researchers at the Stanford Univ. School of Medicine have developed two inexpensive adapters that enable a smartphone to capture high-quality images of the front and back of the eye. The adapters make it easy for anyone with minimal training to take a picture of the eye and share it securely with other health practitioners or store it in the patient’s electronic record.

Offshore wind farms could tame hurricanes

February 27, 2014 1:26 pm | by Bjorn Carey, Stanford Univ. | Videos | Comments

For the past 24 years, Mark Z. Jacobson, a prof. of civil and environmental engineering at Stanford Univ., has been developing a complex computer model to study air pollution, energy, weather and climate. A recent application of the model has been to simulate the development of hurricanes. Another has been to determine how much energy wind turbines can extract from global wind currents.

Study indicates improvements needed in handling methane emissions

February 19, 2014 7:23 am | News | Comments

A new study led by the Joint Institute for Strategic Energy Analysis says that the total impact of switching to natural gas depends heavily on leakage of methane during the natural gas life cycle, and suggests that more can be done to reduce methane emissions and to improve measurement tools which help inform policy choices.

Study: America's natural gas system is leaky and in need of a fix

February 14, 2014 8:05 am | by Mark Golden, Stanford Univ. | News | Comments

The first thorough comparison of evidence for natural gas system leaks confirms that organizations including the Environmental Protection Agency (EPA) have underestimated U.S. methane emissions generally, as well as those from the natural gas industry specifically.

Salk Institute, Stanford Univ. to lead $40 million stem cell genomics center

February 6, 2014 1:28 pm | News | Comments

The Salk Institute for Biological Studies will join Stanford Univ. in leading a new Center of Excellence in Stem Cell Genomics, created through a $40 million award by California's stem cell agency. The center will bring together experts and investigators from seven major California institutions to focus on bridging the fields of genomics with cutting-edge stem cell research and ultimately find new therapies.

Engineers teach old chemical new tricks to make cleaner fuels, fertilizers

January 27, 2014 2:03 pm | News | Comments

Researchers from two continents have engineered an efficient and environmentally friendly catalyst for the production of molecular hydrogen (H2), a compound used extensively in modern industry to manufacture fertilizer and refine crude oil into gasoline. The new method can product industrial quantities of hydrogen without emitting carbon into the atmosphere.

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