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No Mirando A Nuestro Da?o - Todos Los Pilotos Muertos - Louis Strang
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Jonathan Ferrell's wrecked truck (Source: NBC News)
Jonathan Ferrell’s wrecked truck (Source: NBC News)
CHARLOTTE, NC — After pulling himself out of a devastating car accident, a man seeking help was shot and killed as he approached police officers, prompting a national outcry against the excessive use of force against an innocent, unarmed man. The police department reversed its initial defense of the shooting to actually charging the officer with voluntary manslaughter.
In the early hours of Saturday, September 14, Jonathan Ferrell, age 24, was the driver in a serious crash in which his truck struck some trees crashed into trees in rural Mecklenburg County. Managing to free himself from the mangled wreckage by climbing out the back window of his truck, he sought help from the nearest home, which was about 1/2 mile away. But his unexpected knock at the door at 2:30 AM was not openly received. The woman inside the home initially thought that the urgent knocks were being made by her husband, but quickly became frightened when she discovered that it was a stranger, whom she thought was a burglar.
Jonathan Ferrell
Jonathan Ferrell
“To her surprise, it was an individual that she did not know or recognize,” said Charlotte-Mecklenburg Police Chief Rodney Monroe. “She immediately closed the door, hit her panic alarm, called 9-1-1.”
The man stood outside and “continued to attempt to gain the attention of the homeowner,” a police statement said. Chief Monroe described the Ferrell’s desperate knocks as “vicious” during a press conference.
Police arrived and located Ferrell a short distance from the home, who must have been relieved to see some first-responders to his car accident. But police were looking for a burglary suspect, not a victim.
Officer Randall Kerrick (Source: Mecklenburg County Sheriff's Booking Photo)
Officer Randall Kerrick (Source: Mecklenburg County Sheriff’s Booking Photo)
According to the Charlotte Observer, 3 Charlotte-Mecklenburg police officers located the man who matched the description from the 9-1-1 call, and Officer Randall Kerrick fired his weapon multiple times as Ferrell ran towards them.
Chief Monroe gave the following description of the scene in a press conference: “He immediately charged toward the three officers, one in particular. That officer in particular fired his weapon several times, striking the individual multiple times.”
Monroe also conceded that he did not think he was trying to rob the woman, saying, “I don’t believe threats were made.” The chief confirmed that Ferrell was unarmed.
Ferrell died at the scene. No evidence of alcohol has been related to the crash.
Former Florida A&M University star Jonathan Ferrell (Source: Charlotte Observer)
Former Florida A&M University star Jonathan Ferrell (Source: Charlotte Observer)
Initially police authorities defended the shooting, describing Kerrick’s actions late Saturday as “appropriate and lawful,” reported the Charlotte Observer. But the shooting was evidently too much to defend, and the department, to their credit, filed charges against Officer Randall Kerrick Saturday evening. Kerrick turned himself in, facing charges of voluntary manslaughter.
All three officers have been placed on paid leave.
“The evidence revealed that Mr. Ferrell did advance on Officer Kerrick and the investigation showed that the subsequent shooting of Mr. Ferrell was excessive,” police said in a statement. “Our investigation has shown that Officer Kerrick did not have a lawful right to discharge his weapon during this encounter. “
Kerrick, 27, of Midland, was already released on $50,000 bond, according to the Mecklenburg County Sheriff’s Office website. Kerrick joined the police force in April 2011.
Ferrell was a former football player at Florida A&M University, and played safety during the 2009 and 2010 seasons. He participated on the 2010 Co-MEAC Championship football team, according to WTXL.
He would have turned 25 next month, and leaves behind a fianc?e .
http://www.policestateusa.com/2013/unarmed-man-shot-police-seeking-help-serious-car-accident/
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Posted: Aug 20, 2013
Nanotechnology approach replaces platinum in solar cells with 3D graphene
(Nanowerk News) One of the most promising types of solar cells has a few drawbacks. A scientist at Michigan Technological University may have overcome one of them.
Dye-sensitized solar cells are thin, flexible, easy to make and very good at turning sunshine into electricity. However, a key ingredient is one of the most expensive metals on the planet: platinum. While only small amounts are needed, at $1,500 an ounce, the cost of the silvery metal is still significant.
Yun Hang Hu, the Charles and Caroll McArthur Professor of Materials Science and Engineering, has developed a new, inexpensive material that could replace the platinum in solar cells without degrading their efficiency: 3D graphene ("3D Honeycomb-Like Structured Graphene and Its High Efficiency as a Counter-Electrode Catalyst for Dye-Sensitized Solar Cells").
3D honeycomb-structured graphene
A field emission scanning electron microscopy (FESEM) image of 3D honeycomb-structured graphene. The novel material can replace platinum in dye-sensitized solar cells with virtually no loss of generating capacity. (Image: Hui Wang)
Regular graphene is a famously two-dimensional form of carbon just a molecule or so thick. Hu and his team invented a novel approach to synthesize a unique 3D version with a honeycomb-like structure. To do so, they combined lithium oxide with carbon monoxide in a chemical reaction that forms lithium carbonate (Li2CO3) and the honeycomb graphene. The Li2CO3 helps shape the graphene sheets and isolates them from each other, preventing the formation of garden-variety graphite. Furthermore, the Li2CO3 particles can be easily removed from 3D honeycomb-structured graphene by an acid.
The researchers determined that the 3D honeycomb graphene had excellent conductivity and high catalytic activity, raising the possibility that it could be used for energy storage and conversion. So they replaced the platinum counter electrode in a dye-sensitized solar cell with one made of the 3D honeycomb graphene. Then they put the solar cell in the sunshine and measured its output.
The cell with the 3D graphene counter electrode converted 7.8 percent of the sun?s energy into electricity, nearly as much as the conventional solar cell using costly platinum (8 percent).
Synthesizing the 3D honeycomb graphene is neither expensive nor difficult, said Hu, and making it into a counter electrode posed no special challenges.
The research has been funded by the American Chemical Society Petroleum Research Fund (PRF-51799-ND10) and the National Science Foundation (NSF-CBET-0931587).
Source: Michigan State University
Read more: http://www.nanowerk.com/news2/newsid=31874.php?utm_source=feedburner&utm_medium= email&utm_campaign=Feed%3A+NanowerkEmergingTechnol ogiesNews+%28Nanowerk+Emerging+Technologies+News%2 9#ixzz2icOGRVdP
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