Researchers say FAA is really overblowing risk posed by small drones. The Federal Aviation Administration has pushed forward strict rules for the operation of small consumer drones. Drones weighing more than 250 grams (a little more than half a pound) will have to be registered with the FAA, and there are restrictions on where they can be flown. The regulations are largely prompted by fears that the toy-sized flyers will pose a danger to commercial and civil aircraft—fears that new research suggests are unfounded.
That research, shown in a study just published by George Mason University's Mercatus Center, was based on damage to aircraft from another sort of small, uncrewed aircraft—flying birds. Much of the fear around drones hitting aircraft has been driven by FAA reports from pilots who have claimed near-misses with small drones. But an investigation last year by the Academy of Model Aeronautics (AMA) found that of the 764 near-miss incidents with drones recorded by the FAA, only 27 of them—3.5 percent—actually were near misses. The Pentagon Wants to Buy That Bomb You’re Building in the Garage. Can you rig your toaster into an improvised explosive device or turn a cheap hobby drone into a weapon of mass destruction?
The Pentagon would love to hear from you. On Friday, the Defense Advanced Research Projects Agency, or DARPA, announced that they would award money to people who can turn consumer electronics, household chemicals, 3-D printed parts, cheap drones or other “commercially available technology” into the next improvised weapon. “For decades, U.S. national security was ensured in large part by a simple advantage: a near-monopoly on access to the most advanced technologies. Increasingly, however, off-the-shelf equipment developed for the transportation, construction, agricultural and other commercial sectors features highly sophisticated components, which resourceful adversaries can modify or combine to create novel and unanticipated security threats,” the agency wrote in a press release announcing the Improv program. Codage social. Prc-three-wars.
* EPI ENSEIGNEMENTS PRATIQUES INTERDISCIPLINAIRES. Éducation aux médias. ° bodycard 1158. ° bot xxxx. ° bodycard 1158. ° labo xxxx. ° sas xxxx. ° hub xxxx. # sas° 0129. Hackerspace. Home - Edward Frenkel. System of Systems. *carré travail. e12a9ba662665d8397c0dddb9aae52bd. ²eVa's 1024_cores. Imaginatio Vera. La course à pied du jogging au marathon. DES JEUX AU CDI. Functional human heart tissue grown from skin cells. The need for heart transplants will always exceed the number of donor hearts available for transplant. Thanks to research just out from Massachusetts General Hospital, though, this may not continue to be a problem for much longer. Researchers there have just succeeded in growing fully contractile heart tissue by recellularizing a collagen scaffold, and they’re hoping to refine the method so that it can be used as a “functional myocardial patch” for cardiac injuries.
Senior author Harald Ott developed a procedure back in 2008 for stripping the living cells from a donor organ with a powerful detergent solution, leaving an intimately detailed collagen matrix, complete with traces for coronary vasculature, that doesn’t generate an immune response. It’s been proven to work across species and organ systems; Ott and team have used the method to grow functional rat kidneys and lungs. That’s not the only original research going into this project, either.
Emc. Emojis : la déferlante. Xav69230. Skyrim:Skyrim. Skyrim Standard Edition Box Art Collector's Edition Box Art Skyrim, the fifth game in the Elder Scrolls series, takes place in the province of Skyrim 200 years after the Oblivion Crisis. A newly revealed Dragon language plays an integral role in the story. The ancient home of the Nords, Skyrim, teeters at the brink of destruction. With the death of High King Torygg, a civil war breaks out, with brothers slaying brothers across the province's frozen tundras and rocky crags. Many, especially Nords, wish to secede from the Empire, which has been in decline since the Oblivion Crisis.
Many loyalists, on the other hand, prefer the unity and security provided by the Empire. The Elder Scrolls foretell the return of Tamriel's primeval darkness, the Dragons, and the coming of a mortal born with the soul of a dragon, the "Dovahkiin" or "Dragonborn"—one who will have the power to permanently defeat his greatest foe and end the dark reign of the consumer of worlds: Alduin. Quest Information Game Updates. BIOACTUALITES_CH 25/02/16 Culture de lentilles en conditions biologiques. Les lentilles constituent une des plus anciennes plantes cultivées par l’homme. Ce sont des légumineuses, donc elles fixent l’azote de l’air.
C’est la légumineuse la plus riche en protéines après le soja. Les lentilles supportent bien la sécheresse. Le rendement moyen s’élève à 7.6 dt/ha en Europe. Exigences de la lentilleAu champ, les lentilles sont peu concurrentielles car ce sont des plantes courtes et leur développement juvénile est lent. Cultures associéesCe sont surtout les producteurs bio qui cultivent la lentille sous forme de cultures associées.
Jürg Hiltbrunner, Agroscope (voir encadré à droite) pour la Suisse allemandeMaurice Clerc, FiBL Lausanne (voir encadré à droite) pour la Suisse romandeConcernant le choix de la variété de lentille et de la plante compagne, il est indispensable de consulter l’acheteur (par ex. la Biofarm, voir encadré à droite) et l’entreprise qui va conditionner la récolte et séparer les graines. Technique culturale Pour en savoir davantage.