The police have not been handed unrestricted power

SAN FRANCISCO Jordan 11 Low For Sale , Feb. 8 (Xinhua) -- Researchers at University of California, Berkeley, have devised a palm-sized robot using some of their creepy findings about cockroaches.


Kaushik Jayaram, who recently obtained his Ph.D. from UC Berkeley and is now a postdoctoral fellow at Harvard University Jordan 1 Low For Sale , said "what's impressive about these cockroaches is that they can run as fast through a quarter-inch gap as a half-inch gap, by reorienting their legs completely out to the side."


"They're about half an inch (1.27 centimeter) tall when they run freely, but can squish their bodies to one-tenth of an inch (0.25 centimeter)," Jayaram said. In addition Jordan Shoes Low For Sale , they can withstand forces 900 times their body weight without injury.


Using the roach technique as inspiration, Jayaram designed a robot known as CRAM, for compressible robot with articulated mechanisms, that can splay its legs outward when squashed Air Jordan 6 Retro For Sale , then capped it with a plastic shield similar to the tough, smooth wings covering the back of a cockroach.


The model robot, described as simple and cheap, was built with an origami-like manufacturing technique Air Jordan 4 Retro For Sale , and is now available as an inexpensive kit made by Dash Robotics -- a commercial spin-off from previous robotic work at UC Berkeley.


"This is only a prototype, but it shows the feasibility of a new direction using what we think are the most effective models for soft robots, that is, animals with exoskeletons Air Jordan 11 Retro For Sale ," said Robert Full, a professor of integrative biology at UC Berkeley.


"Insects are the most successful animals on earth. Because they intrude nearly everywhere, we should look to them for inspiration as to how to make a robot that can do the same."


"In the event of an earthquake, first responders need to know if an area of rubble is stable and safe Air Jordan 1 Retro For Sale , but the challenge is, most robots can't get into rubble," Full said. "But if there are lots of cracks and vents and conduits, you can imagine just throwing a swarm of these robots in to locate survivors and safe entry points for first responders."


Full and his students have studied how animals walk Air Jordan Retro For Sale , run, jump, glide, crawl and slither to understand the basic biomechanical principles that underlie locomotion Jordan 6 Retro For Sale , and that can be used to design better robots.


Full discovered 25 years ago that American cockroaches can run on two legs -- a feat certified by the Guinness Book of World Records -- and can achieve a speed of nearly 5 feet (1.52 meter) per second, or 50 times their body length per second.


Jayaram and Full will publish their latest research this week in the early online edition of the journal Proceedings of the National Academy of Sciences.




BEIJING， May 4 (Xinhua) -- Some people appear to have misunderstood China's new law on overseas NGOs.


They seem to have failed to notice anything beyond the law's restrictive provisions. News flash: There are few laws that only forbid， and this is not one of them.


When the new law takes effect in January， overseas NGOs will walk out of the shadow they have long stood in. Those with solid reasons to operate in China will have a legal identity， a clear code of conduct and protection of their rights and interests from the government and legal system. They will also be subject to supervision， just like their domestic counterparts are.


One issue that drew much concern is the involvement of the police in the registration and regulation processes.


China is hardly the only country in the world to place trust in law enforcement and， as lawmakers have repeatedly pointed out， the police have the resources and expertise to deal with foreigners. Rather than this being the "hostile setup" espoused by certain parties， it is a pragmatic arrangement to ensure an efficient and professional service.


The police have not been handed unrestricted power， and systems will be in place to assure accountability and， should they fail in their duty， suitable punishments.


When comparing previous drafts of the law， which went through three readings， it is clear that great effort has been made to develop a balanced and comprehensive law.


Gathering opinions from different parties including foreign NGOs that already operate in China， the top legislature made notable changes through every reading.


For instance， the adopted law removed a provision in the original draft that limited foreign NGO offices on the Chinese mainland to one， and deleted the five-year operational limit on representative offices. Restrictions on staff and volunteers were also lifted.


The draft had required a permit for NGOs that wanted to operate temporarily on the mainland. In the adopted law this has been changed to a compulsory report with the regulator 15 days before the program begins.


The Ministry of Public Security has promised to work out detailed protocols and publish this code of conduct as quickly as possible so that overseas NGOs will have enough time to prepare for registration.


China is still in the process of modernization， not only economically but also in governance. It is in its best interest to have a dynamic NGO sector， which features both domestic and foreign entities. From education， environmental protection to poverty relief， NGOs have an important part to play.


The law may not be perfect but it is a good beginning. It is likely that problems may emerge as it is enforced but， with the support and cooperation of NGOs， these problems can be properly addressed.


The law was drafted to give NGOs a more stable and positive environment in which to work in China. It will be a mutually beneficial relationship， better than letting the good and bad mix into the grey.


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