Storing A Lightning Bolt In Glass May 2, 2009
ScienceDaily (May 2, 2009) Materials researchers at Penn State University have reported the highest known breakdown strength for a bulk glass ever measured. Breakdown strength, along with dielectric constant, determines how much energy can be stored in an insulating material before it fails and begins to conduct electricity. (Science Daily)
Auroras from "Space Tornadoes" Apr 30, 2009
Earth-bound tornadoes are puny compared to space tornadoes, which span a volume as large as Earth and produce electrical currents exceeding 100,000 amperes, according to new observations by a suite of five NASA space probes ... Ground measurements showed that the space tornadoes channel the electrical current into the ionosphere to spark bright and colorful auroras on Earth ... Space tornadoes, however, generate huge amounts of electrical currents inside the funnel. (SkyAndTelescope.com)
Iron-arsenic superconductors in class of their own Apr 30, 2009
The collective flow of Cooper pairs results in the most famous feature of a superconductor and the feature that draws the most interest in terms of energy efficiency: the flow of electrical current without any measurable loss of energy, or true zero resistance. However, superconductors also have another inherent characteristic that distinguishes them from a perfect metal. (EurekAlert!)
Expert on Taser payroll denies stun gun played role in Dziekanski's death Apr 29, 2009
Dr. Swerdlow also said that if the heart is affected by electrical current, the resulting heartbeat would be either too fast or irregular. The first time anyone noticed anything wrong with Mr. Dziekanski's heart was when firefighters arrived and found he had no pulse at all. (Globe and Mail)
Microbe-powered 'fart' machine stores energy Apr 28, 2009
"We found that we can directly convert electrical current into methane using a very specific microorganism," said Bruce Logan, a professor at Pennsylvania State University, who details his discovery in the journal Environmental Science and Technology. We envision this as a way to store electrical energy, to convert electricity into a biofuel," he said. Archea are older, and more primitive, than , lacking a nucleus and other cellular machinery. Most archea are still a mystery to scientists, but... (MSNBC -- Technology)
Robotic milking keeps cows happy, family dairy economical (15) Apr 28, 2009
According to Nels, the electrical current tries to jump through the milk between the probes. The more white blood cells found in the milk, the easier it is for it to jump detecting the first signs of an infection. (Minnesota Farm Guide, MN)
AfterImage illuminates the body electric Apr 17, 2009
AfterImage features a cutting-edge staging built around a conductive copper set, which is charged with a negative electrical current and laced with a lattice of overhead wires carrying a positive current ... Melanie Caines performs with electrical current in Afterimage ... In the end, the careful control the actors wield over the electrical current only serves to illuminate not control the wild and untamed nature of the connections felt between human beings. (Globe and Mail -- Entertainment)
What is a Resting Potential? Apr 13, 2009
The movement of sodium and potassium ions across the cell membrane passes the electrical current along the cell. The copyright of the article What is a Resting Potential. (Suite101.com)
Dust Cover Jettisoned From NASA's Kepler Telescope Apr 11, 2009
sent commands to pass an electrical current through a "burn wire" to break the wire and release a latch holding the cover closed. The spring-loaded cover swung open on a fly-away hinge, before drifting away from the spacecraft. (Science Daily)
YMCA to operate Casey Park pool Apr 10, 2009
Councilor William Graney said there are a lot of questions that will need to be answered about the tasers, which use electrical current to incapacitate an individual by causing muscle contraction. Councilor Matthew Smith also said he has to look into some more research. (Auburn Citizen, NY)
Electrosmog On The Circuit Board Apr 10, 2009
Fraudsters elicit confidential information from bank cards by bombarding them with pulses of laser light, electrical current or voltage. The resulting field patterns can reveal details about the chip card, such as its PIN number. (Science Daily)
Ivivi Technologies Secures $2.5 Million Financing Apr 8, 2009
Ivivi's research and development activities are focused specifically on targeted pulsed electromagnetic field, or tPEMF(tm) technology, which, by creating a therapeutic electrical current in injured soft tissue, is believed to modulate biochemical and physiological healing processes to help reduce related pain and inflammation. The Company's most recent clinical studies have shown reductions in angina pain and increases in blood flow to the heart in certain cardiac patients. (Primezone Releases)
Local law enforcement wants to buy tasers Apr 7, 2009
Tasers use electrical current to incapacitate an individual by causing muscle contraction. Some civil liberties and human rights groups have raised concerns over what they consider to be safety issues involving the deployment of tasers by law enforcement. (Auburn Citizen, NY)
Beating the back-up blues Apr 4, 2009
Using a kind of physics called spin transfer, scientists use electrons (in the form of electrical current) to switch the magnetism of the domains, pushing them to a different location along a nanowire. Recently published in Physical Review Letters, the new research holds up a magnifying glass to how tiny magnetic devices behave. (EurekAlert!)
LEDs shed new light in homes Apr 2, 2009
LEDs are light-emitting diodes, tiny chips that light up when electrical current passes through them. They're considered an environmental boon, because they use little power and promise to last for years, maybe even decades. (AZCentral -- Home)
[ more... ] Apr 1, 2009
During the human thought process, slight electrical current and blood flow change occur in the brain. The most important factor in the development of the BMI technology is the accuracy of measuring and analyzing these changes. (JCN Network, Japan)
Surveillance vehicles take flight using alternative energy Apr 1, 2009
Fuel cells create an electrical current when they convert hydrogen and oxygen into water and are pollution-free. A fuel cell propulsion system can also deliver potentially twice the efficiency of an internal combustion engine while running more quietly and with greater endurance. (EurekAlert!)
'Super grid' power cables readied for NYC Mar 26, 2009
In normal operation, the superconductor wire has little or no loss of electrical current known as resistance. But when a power spike occurs that could lead to a blackout, the cable comes out of its superconductor state and acts "exactly like a surge protector," he said. (MSNBC -- Technology)
Blue light specials Mar 23, 2009
The most promising technology is the organic light-emitting diode, or OLED. These multi-layered devices produce light by running an electrical current through a specially engineered host material into which light-producing phosphorescent molecules are embedded or "doped." The white light envisioned for large-scale applications, such as rooms and buildings, consists of red, green and blue light. "The weakest link in OLED research is the absence of an efficient, long-lasting blue light to... (EurekAlert!)
Covering the bases: Quantum effect may hold promise for low-cost DNA sequencing, sensor applications Mar 23, 2009
The study made a number of measurements using varying amounts of electrical current through the junction, as the microscope's electrode is moved away from the substrate and the hydrogen bonds uniting base pairs are slowly pulled apart. "What you can see straight away," Lindsay notes, "is that with the bases held together by 3 hydrogen bonds, the curves of falling current go on for a long distance. In those held together with two, they go on for less distance." (see fig. (EurekAlert!)
World's lightest material made into muscle Mar 20, 2009
Run electrical current through them and they become an artificial muscle. "Our discovery of methods for producing these carbon nanotube sheets, their strange properties, and their corresponding remarkable performance as artificial muscles is just the beginning of a story," said Baughman. (MSNBC -- Technology)
Unique nerve-stimulation device proves effective against epilepsy Mar 19, 2009
The electrodes, which can be covered by a cap or scarf, transmit an electrical current to the nerve. "People with intractable epilepsy who have continuing seizures are often drug-resistant," DeGiorgio said. (EurekAlert!)
Death comes from a flash and boom Mar 14, 2009
Oddly, moisture on the bark plays no significant role in the path of the strike because the bark's surface has a high resistance to the flow of electrical current. So, a tree wet from rain is not necessarily more likely to be struck by lightning than a dry one. (Herald Online, SC -- Opinion)
Radiation Exposure Of U.S. Population: American Association of Physicists in Medicine Comments On Controversial Report Mar 6, 2009
Electrical engineers developed a mathematical equation to measure the electrical current strength of lightning as it strikes tall buildings. The. (Science Daily)
Ultimate In 'Green' Energy: Plants Inspire New Generation Of Solar Cells Mar 4, 2009
The Southampton team led by Professor Pavlos Lagoudakis of the University's School of Physics and Astronomy, has developed a new range of photovoltaic devices that use a process found in vegetative methods of light harvesting, to deliver unprecedented amounts of electrical current from light. In photosynthesis each molecule has evolved to deliver a function that complements the perpetual cycle of light to energy conversion. (Science Daily)
G-K going green with eco-friendly cleaning Mar 1, 2009
It uses water from a standard source and runs it through a machine that adds salt and applies a low-level electrical current, altering the pH level to create a disinfectant solution or sanitizing soap. 8220It smells like bleach when you first apply it, but it disappears as it dries,; said Guthrie, building and grounds director for the school district. (DeKalb Daily Chronicle, IL)
Generating Electricity with Potato ... Mar 1, 2009
These two metals are inserted into a potato to create a chemical reaction to generate an electrical current or flow of electricity (kinetic energy) ... This attraction of positive and negative electrical charges causes the flow of electrical current or electricity. (Suite101.com)
Ivivi Technologies Receives Nasdaq Deficiency Notice Feb 28, 2009
Ivivi's research and development activities are focused specifically on targeted pulsed electromagnetic field, or tPEMF(tm) technology, which, by creating a therapeutic electrical current in injured soft tissue, is believed to modulate biochemical and physiological healing processes to help reduce related pain and inflammation. The Company's most recent clinical studies have shown reductions in anginal pain and increases in blood flow to the heart in certain cardiac patients; however, additional... (Primezone Releases)
Team develops new metamaterial device Feb 25, 2009
An electrical current applied to the metamaterial a hybrid structure of metallic split-ring resonators controlled the phase of a terahertz (THz) beam 30 times faster and with far greater precision than a conventional optical device, the researchers report in the current online edition of the journal Nature Photonics. The discovery marks a milestone in the use of metamaterials and terahertz radiation, a safe, non-ionizing frequency that is the subject of a growing body of research and viewed... (EurekAlert!)
Superconductivity: The New High Critical Temperature Superconductors Feb 24, 2009
Superconductors are materials that conduct electrical current with zero resistance at low temperatures. Superconductivity was discovered in 1911, and the researchers in this area of solid state physics have been regular recipients of the Nobel Physics Prize: H. K. Onnes (1913), who discovered this extraordinary phenomenon; J. Bardeen, L. Cooper and R. Schrieffer (1972), for the BCS Theory of Superconductivity, which explains how electron pairs are formed (Cooper pairs) and how they conduct... (Science Daily)
Secrets behind high temperature superconductors revealed Feb 23, 2009
An electrical current flowing round a loop of superconducting wire can also continue indefinitely, producing some of the most powerful electromagnets known to man. These magnets are used in MRI scanners, to 'float' the MagLev train, and to steer the proton beam of the Large Hadron Collider (LHC) at CERN. Envisaged future applications of superconductors exist also in ultrafast electronic devices and in quantum computing. (EurekAlert!)
Safer nanoparticles spotlight tumors, deliver drugs Feb 23, 2009
The particles begin as thin wafers made porous with an electrical current then smashed to bits with ultrasound. Additional treatment alters the physical structure of the flakes to make them glow red when illuminated with ultraviolet light. (EurekAlert!)
Risks of shock widespread, expert says Feb 21, 2009
42-year-old Michael Perron, Jr. died Wednesday night after touching a metal light pole sending an electrical current through his body ... When he touched the metal light pole, an electrical current might have run through him, said the source, who was not authorized to speak about the investigation ... 42-year-old Michael Perron, Jr. died Wednesday night after touching a metal light pole sending an electrical current through his body. (Honolulu Star-Bulletin)
Man electrocuted in freak accident Feb 20, 2009
The exposed wire was touching the metal cover that the victim was standing on and when the man touched the metal light pole an electrical current ran through him, said the source, who was not authorized to speak about the investigation ... The exposed wire was touching the metal cover that the victim was standing on and when the man touched the metal light pole an electrical current ran through him, said the source, who was not authorized to speak about the investigation. (Honolulu Star-Bulletin)
Sources: Wires Exposed At Streetlight Where Man Electrocuted Feb 20, 2009
When the man touched the metal light pole, an electrical current ran through his body, killing him, sources said. The streetlight where the fatal accident happened is just a few steps away from a bus stop on busy Kapiolani Boulevard. (Honolulu Star-Bulletin)
Hampton relieved with health status Feb 19, 2009
To his relief, Hampton did not have to go through a procedure to jump-start his heart by way of electrical current, nor does he have to take medication for this condition. "It's one of the most important organs you have," Hampton said, chuckling a bit after making such an obvious statement. (MLB.com -- Houston Astros)
Hampton cleared to rejoin Astros camp Feb 18, 2009
" "The procedure we talked about yesterday [to correct his heartbeat with the application of electrical current] is unnecessary and he's not going to be put on any medication," Wade added. "He'll be on a flight back here this afternoon and back in the workouts [Wednesday. " Hampton flew to Houston on Monday after his electrocardiogram [EKG] test showed a "glitch" during a routine physical. He was examined by Kissimmee-based physician Dr. Michael Link, who recommended Hampton undergo further... (MLB.com -- Houston Astros)
Hampton to return Feb 18, 2009
Instead of undergoing a procedure in which an electrical current fixes the heartbeat, Hampton passed a treadmill test Tuesday and was cleared to return to Florida. Astros team physician Dr. Jim Muntz says the episode was common and similar to one experienced by former President George H.W. Bush, his wife, Barbara, and former NBA star Hakeem Olajuwon. (SportsIllustrated.CNN -- MLB)
New Plasma Transistor Could Create Sharper Displays Feb 18, 2009
Within the sheath, electrical current is carried not by negatively charged electrons, but instead by positively charged ions. Much heavier than electrons and therefore harder to accelerate, the ions require a large electric field generated by a large voltage drop across the sheath. (Science Daily)
Yankees support A-Rod Feb 17, 2009
Hampton was to be examined by team physician Jim Muntz before undergoing a procedure to correct the heartbeat with an electrical current. The Astros hope to have him back in camp Thursday. (Boston Globe)
Hampton has odd heartbeat Feb 17, 2009
He was to undergo a procedure to correct the heartbeat with an electrical current and was expected to return to camp in Kissimmee, Fla. on Thursday. (News & Observer -- Sports)
Hampton EKG shows 'glitch' Feb 17, 2009
Hampton was scheduled to visit team doctor Jim Muntz late Monday afternoon, at which time he would undergo a procedure to correct his heartbeat with the application of electrical current. An EKG is a test that checks for problems with the electrical activity of the heart. (MLB.com -- Houston Astros)
Hampton Returns To Houston For Testing Feb 17, 2009
Hampton is scheduled to be examined by Astros team physican Dr. Jim Muntz later today and, while in Houston, will undergo a procedure to correct his heartbeat with the application of electrical current. Hamptons condition was discovered by Dr. Michael Link as a result of an EKG test taken on Saturday during a routine physical for Astros pitchers and catchers in Kissimmee. (Click2Houston, TX)
Research highlights potential for improved solar cells Feb 11, 2009
When a conventional solar cell absorbs a photon of light, it frees an electron to generate an electrical current ... Through carrier multiplication, excess energy can be transferred to another electron instead of the material lattice, freeing it to generate electrical currentthereby yielding a more efficient solar cell. (EurekAlert!)
REA electrified the move from candle light to electric light Mar 31, 2008
Benjamin Franklin had proved there is electrical current in the atmosphere with his famous kite experiment in 1752. Gas and oil lighting prevailed until Thomas Edison invented the incandescent lamp in 1879. (Camdenton Lake Sun Leader, MO)
Lightning Fact and Fiction Mar 26, 2008
Fiction: The chances of being struck by lightning increases if you are on the ground because electrical current runs along the ground ... Fact: Power lines, telephone wires and metal pipes act as conduits for electrical currents caused by lightning ... If lighting travels down the line, the gas gap becomes ionized and diverts the electrical current to the ground. (Suite101.com)
Electrons Travel 100 Times Faster In Graphene Mar 25, 2008
"Other extrinsic sources in today's fairly dirty graphene samples add some extra resistivity to graphene," explained Fuhrer, "so the overall resistivity isn't quite as low as copper's at room temperature yet. However, graphene has far fewer electrons than copper, so in graphene the electrical current is carried by only a few electrons moving much faster than the electrons in copper.". In semiconductors, a different measure, mobility, is used to quantify how fast electrons move. (Science Daily)
Sun tries to replace wire with laser Mar 24, 2008
The bottlenecks also generate additional electrical current and heat. "All of a sudden, it's better to have an optical superhighway," said Greg Papadopoulos, chief technology officer and executive vice president of research and development for Sun. (Boston Globe)
New Family Of Superconductors Discovered Mar 22, 2008
16, 2008) One of the biggest mysteries in studying high-temperature (Tc) superconductors - materials that conduct electrical current with no resistance below a certain transition temperature - is the origin of. (Apr. (Science Daily)
iPhone iPod Case Innovation Meets Avant-Garde Design Mar 21, 2008
The touch screen panel is coated with a special patent pending material that conducts a continuous electrical current across the the shield. The human body is also an electrical device which has stored electrons and therefore also exhibits capacitance. (Yahoo News -- Press Releases)
Don't sweat the sweaty stuff Mar 19, 2008
If your palms and soles are your chief concerns, a process called iontophoresis, wherein an electrical current is passed through a liquid in which your hands or feet are submerged, may help. Surgical options are usually reserved for patients who fail to benefit from the previously mentioned options. (The Cavalier Daily, VA)
Scientists develop sensor to detect homemade bombs Mar 19, 2008
When exposed to most oxidizing agents, such as chlorine, these metal films show an increase in electrical current, while reducing agents have the opposite effect -- a decrease of electrical current. But when exposed to hydrogen peroxide, an oxidant, the metal phthalocyanine films behave differently depending on the type of metal used. (Xinhuanet, China)
Electrical Ground Fault Protection Mar 19, 2008
When it strikes, the lightning rods on the higher levels of the building direct the electrical current to ground, bypassing the building. It's the same thing with the. (Suite101.com)
SPD requesting Council’s Taser approval Mar 19, 2008
The weapon aims to incapacitate the suspect with an electrical current delivered through a circuit that is released by a gun-like mechanism into the body of a perpetrator. The Tasers will be purchased from Taser International of Scottsdale, Ariz. (Stuttgart Daily Leader, AR)
Shape Up Montana - If you must use scale, be smart Mar 19, 2008
Skin-fold calipers pinch and measure fat folds at various locations on the body, hydrostatic (or underwater) weighing involves exhaling all of the air from your lungs before being lowered into a tank of water, and bioelectrical impedance measures the degree to which your body fat impedes a mild electrical current. If the thought of being pinched, dunked or gently zapped just doesn t appeal to you, don t worry. (Missoulian, MT)
Closing The 'Pseudogap' On Superconductivity Mar 17, 2008
16, 2008) One of the biggest mysteries in studying high-temperature (Tc) superconductors - materials that conduct electrical current with no resistance below a certain transition temperature - is the origin of a gap in the energy level of the materials' electronic spectrum. Brookhaven physicist Hongbo Yang latest research is on this "pseudogap.". (Science Daily)
MEMA urges residents to prepare for storm, possible flooding Mar 8, 2008
Fri Mar 07, 2008, 03:02 PM EST. Massachusetts Emergency Management Agency (MEMA) Director Don Boyce issued as statement today on the pending weekend rain/wind storm. (Melrose Free Press, MA)
Hallowell police, deputy use Taser on combative woman Mar 6, 2008
The cartridge on a Taser shoots two prongs that will stick to a persons clothing or skin and the electrical current from the prongs will try to make a connection ... To drive-stun, two pins from the Taser create an electrical current when an officer places the Taser against a persons skin to keep them from fighting police. (Courier Publications, ME)
10 Tips: Renting rather than buying? Mar 6, 2008
It covers losses to your property from a variety of perils, including fire, lightning, windstorms, hail, explosions, riots, aircraft, vehicles, smoke, vandalism, theft, falling objects, electrical current damage and accidental overflow of water. Flood damage is not covered, however, so you must buy flood insurance separately through the. (MSNBC -- Business)
Boost home value, get cheaper bills Mar 5, 2008
The panels, packed with photovoltaic cells, convert sunshine into the electrical current that provides half their household's power needs. The couple's electric bills typically run an affordable $50 per month in the summer, when the AC is kicking, and a measly $15 when it's not. (CNN -- US)
Tesla: Little electric roadster that could Mar 4, 2008
They created Tesla Motors, which takes its name from the inventor who pioneered alternating electrical current and AC electric motors more than a century ago. The fledgling company's finances were boosted by the involvement of Musk, who made his fortune creating the PayPal online payment system now owned by eBay. (USA Today -- Autos)
Can a Man Become a Magnet? Mar 4, 2008
The is proportional to electrical current and inversely proportional to distance (the separation between the current and the videocassette, in this instance). It takes at least 1,700 to erase a TDK brand , so at a distance of 1 centimeter, you'd need a current of 8,500 amperes. (Slate)
Firefighters push for safer smoke detectors Mar 1, 2008
It is used to set up a small electrical current between two metal plates which, when disrupted by smoke entering the chamber, sounds the alarm. People on both sides of the debate are quick to say every home should have some type of smoke detector on every floor. (Seacoast New Hampshire)
Editorial -- Price of gas: Now what? Feb 29, 2008
EH wrote on Feb 28, 2008 1:48 PM:" When will we demand and when will the politicians really represent us when it comes to the price of gasoline. There are systems now that saves gas with a hydrogen HHO supplemental injecton to gas and diesel engines. How it works: Excess electrical current produced by the alternator is tapped and directed to a Hydrogen Cell (water and baking soda electrolyte mix) which splits the water molecule into its basic components-hydrogen and oxygen gasses. These gasses... (Albany Democrat-Herald, OR)
CPC records 24% increase in gross profit in 2007 Feb 28, 2008
According to him CPC lost about 172 hours of production time monthly during the power crises, adding that, low electrical current during the period also caused considerable damage to some of the plant's electronic components. Elaborating on the company's operational strategy, he observed that for the company to operate efficiently and remain focused on its core business, "CPC divested itself from many of its non-core activities by outsourcing its transport, security, laundry, cleaning and... (Ghana Web, Ghana)
