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FAA records detail hundreds of close calls between airplanes and drones

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~~~~TheWashingtonPost1

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On Sunday, a swarm of small rogue drones disrupted air traffic across the country on a scale previously unseen in U.S. skies.

At 8:51 a.m., a white drone startled the pilot of a JetBlue flight, appearing off the aircraft’s left wing moments before the jet landed at Los Angeles International Airport. Five hours later, a quadcopter drone whizzed beneath an Allegiant Air flight as it approached the same runway. Elsewhere in California, pilots of light aircraft reported narrowly dodging drones in San Jose and La Verne.

In Washington, a Cessna pilot reported a drone cruising at 1,500 feet in highly restricted airspace over the nation’s capital, forcing the U.S. military to scramble fighter jets as a precaution.
In Louisville, a silver and white drone almost collided with a training aircraft. In Chicago, United Airlines Flight 970 reported seeing a drone pass by at an altitude of 3,500 feet.

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!!!!!DroneNearMisses1An undated photo of the SkyLife Air Ambulance helicopter that was involved in a near collision with a drone. (Brett Schoenwald/ SkyLife Air Ambulance)

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https://www.washingtonpost.com/world/national-security/faa-records-detail-hundreds-of-close-calls-between-airplanes-and-drones/2015/08/20/5ef812ae-4737-11e5-846d-02792f854297_story.html

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Scientists Try 3-D Printer To Build Human Heart

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FROM
 Huffpost Science
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It may sound far-fetched, but scientists are attempting to build a human heart with a 3-D printer.

Ultimately, the goal is to create a new heart for a patient with their own cells that could be transplanted. It is an ambitious project to first, make a heart and then get it to work in a patient, and it could be years — perhaps decades — before a 3-D printed heart would ever be put in a person.

The technology, though, is not all that futuristic: Researchers have already used 3-D printers to make splints, valves and even a human ear.

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PRINT HEART
In this March 6, 2014 photo, a 3-D printer was used to construct these tiny two-ventricle cylinders at the University of Louisville, in Louisville, Ky. Researchers are working on a project to build a human heart using a 3-D printer and human cells. (AP Photo/Dylan Lovan) | ASSOCIATED PRESS
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