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E Cummings
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E Cummings

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From as far back as early May 2015 ... Why is it I smell a smoking gun? Follow the model money, honey ... and the casino cash ...  and the "free" fantasy football ... maybe the manure's about ready to hit the hurricane. About time.
Embattled Patriots quarterback Tom Brady received some sort from an unlikely place: his "friend" Donald Trump.
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Over the Horizon and Through the Clouds .... to nasa.gov we go ...
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Good read... Time to howl tonight, folks.
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While we're waiting on New Horizons to resume their briefings .... this is happening ...
 
The four spacecraft of our Magnetospheric Multiscale (MMS) mission began flying in a pyramid shape for the first time this month. These four identically instrumented spacecrafts will capture 3-D observations of a phenomenon called magnetic reconnection. Learn more: http://go.nasa.gov/1gnbg6m
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No words for how disgusted I am at the news today. The only reason Koch brothers want Trump gone is that they can't control him either. Please don't forget that. (Not a fan of either party.) Dr. Palmer deserves 'eye-for-an-eye' treatment for Cecil the Lion's death; and I'm not even going to say what I think should happen to Officer Tensing. As for the wing part found on La Reunion ...  just match the numbers and verify the plane it came from. I really don't need to relive that story again.
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So cool this. Video from Atlantic City NJ coast. 
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Something for Fire Season in the Northern Hemisphere....
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This video shows us that no matter where we are in the world we are all affected by CO2.  Look closely at how high the levels are in the winter months when trees and plants are hibernating.  Could this be a visual window into a world with less and less #trees? +Trees For The Future +Earth Day Network +Isha Foundation 
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Article is excellent. Beware of ad (no pause button) & video (repeat of am broadcast). I really feel for those who worked with this lion. He had a buddy who is now defending the area himself. Read on....
When Cecil the lion's carcass was finally found after he was lured out of a Zimbabwe wildlife reserve to be killed by an American hunter, it was a headless, skinless skeleton the vultures had been picking at for about a week. Conservationists decided the most natural thing was to leave the...
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School kids asked some great questions on today's ISS media contact segment. Scott Kelly & the new Doctor on board gave some great answers too. It's on NASATV3    
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Yes!
 
Fresnel Lens Exhibit
Ponce de Leon Inlet Lighthouse - Florida

The Ayres Davies Lens Exhibit Building at the Ponce Inlet Lighthouse houses an amazing array of Fresnel Lens.  The exhibit contains the fixed first order Fresnel lens that was originally installed at the Ponce de Leon Inlet Lighthouse in 1887.  It also has the beautiful rotating first order Fresnel lens from the Cape Canaveral Lighthouse.  There are also a rare third order Fresnel lens and and a fourth order Fresnel Lens.

The delicately hand-crafted Fresnel Lens was a rather expensive item in the budget for Lighthouses built in the 1850's.  A First-Order lens cost from $5,000 to $10,000 (over $300,000 in today's dollars).  The cost depended on the number and delicacy of the prisms used to build the lens as well as whether it was rotating or not.

There were 6 sizes of Fresnel Lens that were used depending on function of the lighthouse and how far the light need to be seen.  The largest was the First Order lens which had a height of 8 feet 6 inchs and a diameter of the base of 6 feet.  The weight of the assembled lens was about 12,800 pounds.  These could be seen up to 22 miles at sea on a major tower.

The smallest was the Sixth-Order Fresnel lens with a height of 1 foot 5 inches and a diameter of a little under 1 foot.  These would be used to mark channels.

A little lighthouse history since this is an off week and #NotaLighthouseThursday  with +Heiko Köster 

#fresnel   #lenses   #lighthouse   #Lighthousephotography  
#history  
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A new one to go with the older one ... 
Africa is front and center in this image of Earth taken by a NASA camera on the Deep Space Climate Observatory (DSCOVR) satellite.
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This was updated 26 July 15. Looking 4ward to more understanding of the dips in the northern patch graph, where methane ice is said to be immersed in nitrogen ice. What instrument will tell us that? +NASA New Horizons  
The latest spectra from New Horizons Ralph instrument reveal an abundance of methane ice, but with striking differences from place to place across the frozen surface of Pluto.
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Have them in circles
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