erfan hamidi

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10 Expert Tips to Immediately Improve Your Photography

If you're a beginner photographer looking to step up your game, these tips are for you. What most amateurs don't know is that photography revolves …

These Are the Photographs That Took My Freedom, and This is the Story of How It Happened

My name is Abe Van Dyke. I am a photojournalist who was arrested by the Milwaukee County Sheriffs department for being on Interstate 43 photographing …

‘Life on Earth is in peril. We have no future if we don’t go into space’

Experts including Stephen Hawking look at the value of human and robotic spaceflight<p>• Astronauts lift our spirits. But can we afford to send humans into space? • Artificial intelligence could spell end of human race – Stephen Hawking • New Horizons probe rouses from hibernation for Pluto …

Nikon D4s - CNET

First impressions<p>Nikon has been rather coy about the successor to its high-end professional SLR. Sure, it appeared behind plate glass at CES and the CP+ photo expo this year, but no one was allowed to touch it or even take it out of the box. No specs were available either, which made things all the …

Cameras

From Prep Work to Post-Processing: An In-Depth Star Photography Tutorial

As a photographer, there is nothing more intriguing to me than the unknown. What’s out there and where will it lead me on my next adventure under the …

Heavy metal cadmium tied to liver disease - Futurity

JOHNS HOPKINS (US) — People with more chronic environmental exposure to cadmium appear to be …

Glove Changes Color When It Detects Toxins

The glove, still in its prototype stage, could prevent serious injuries in workers who handle toxic materials.<p>Think of it as a wearable (and less cruel) canary. Researchers have developed a prototype of a glove that changes color in the presence of airborne toxins, such as carbon …

Hubble Finds Atmosphere of White Dwarfs Polluted With Planet Debris

Astronomers using NASA's Hubble Space Telescope have announced the discovery of the atmospheres of two white dwarfs (burned-out stars) polluted with …

Letters: Stephen Hawking, free speech and Israeli democracy

Stephen Hawking is berated for traducing the spirit of free speech and liberty by boycotting Israel's upcoming presidential conference (Hawking …

Climate milestone: CO2 in Earth’s air tops 400 parts per million

It’s the highest measurement of carbon dioxide in Earth’s air since 1958. It’s possible there has not been this much CO2 in our air in more than 3 …