keyvan

16 Flips | 3 Magazines | 6 Likes | 10 Following | @keyvan_mech | Keep up with keyvan on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “keyvan”

Alexis Sanchez: Barcelona forward signs for Arsenal

<b>Chile international striker Alexis Sanchez has signed for Arsenal from Barcelona on a long-term contract for a fee in the region of £35m.</b><p>The 25-year-old scored 47 goals in 141 appearances for Barca and netted two goals in the World Cup in Brazil.<p>He said: "I'm so happy to be joining a club which has …

Toll mounts as Israel steps up Gaza air raids

Israel has continued its bombardment of Gaza but failed to stop rocket fire across the border, as the US offered to help negotiate a truce.<p>At least 98 Palestinians, most of them civilians, have been killed in Israeli bombardment of the Gaza Strip, Palestinian officials said on Friday. Hundreds of …

Pedal Power! How to Build a Bike Generator

Hey, DIY Cyclists: Bring your bike indoors and generate electricity while you ride.<p><b>I'm a cycling enthusiast, and when the</b> weather is bad I use a bicycle trainer in my apartment. But riding to nowhere has always felt pointless. This got me thinking about how I could use my pedaling to produce …

Carbon Emissions

Narrow-Explosion Missile Tested For Drones

Brimstone is the new Hellfire.<p>There are generally three ways to improve an explosive weapon: make the explosion bigger so it's guaranteed to hit the target; improve its precision so that it doesn't hit anything but the target; or shape the explosion so that when it goes off, it travels in a …

Samsung Galaxy S5 vs. HTC One (2013)

Size<p>The Galaxy S5 is the bigger phone, but not by too big a margin. It's about four percent longer and seven percent wider than the 2013 HTC One. The …

Why Was Stonehenge Built? Seven Odd Theories About Mysterious Monument Explained

Researchers recently had the rare chance to thwack the giant megaliths at Stonehenge and noted that they each resonated with sounds like those of metallic or wooden bells. They proposed that the strange monument was once either an ancient long-distance communication system, or a Stone Age church …

Russia risks 'massive damage' over Ukraine

German Chancellor Angela Merkel has issued a stark warning to Russia, saying it would suffer "massive" economic and political damage if it did not change its course over Ukraine.<p>In an address to the German Bundestag on Thursday, Merkel told politicians that the European Union was ready to impose …

10 Things You Need to Know About the 2015 Jeep Renegade

When the idea of the all-new Renegade began floating around Auburn Hills, Jeep executives asked the development and design teams in charge of the program a single question: "Can we really do a B-segment crossover?" Following the lukewarm—at best—reception of the brand's Patriot and Compass compact …

Autos

10 Unsolved Aviation Mysteries

The Malaysia Airlines flight is only the latest mystery in a long line of aviation puzzles. From Amelia Earhart's fated flight to a World War II nuclear bomber, here's a list of the most mysterious airplane mishaps in history.<p>The Malaysia Airlines flight is only the latest mystery in a long line of …

Airplanes

Rouhani has not increased freedoms in Iran, U.N. chief says | Reuters

GENEVA (Reuters) - Iranian President Hassan Rouhani has failed to fulfil campaign promises to allow greater freedom of expression and there has been a sharp rise in executions since his election, U.N. Secretary-General Ban Ki-moon said on Tuesday.<p>Iran's President Hassan Rouhani smiles during a …

What Happens To Your Prosthetics After You Die?

Multiple groups are trying to recycle used artificial limbs and devices like pacemakers.<p>As prosthetics become more common, they are increasingly left over when people die. Where do they go?<p>In the case of "inert" implants, like silicone breast implants or artificial hips, they are often left in and …

Prosthetics

The Woman Who Can Will Herself Out Of Her Body

The case of the voluntary out-of-body experience.<p>After a class on out-of-body experiences, a psychology graduate student at the University of Ottawa came forward to researchers to say that she could have these voluntarily, usually before sleep. "She appeared surprised that not everyone could …

The 13 Best Cars Under $100,000

Over the last few years, $100,000 has become an increasingly interesting price point. The easy answer to the $100K question used to be the Nissan GT-R and Porsche 911 GT3, but both are now priced beyond the mark. Here's what to buy instead.<p>Over the last few years, $100,000 has become an …

Land Rover Range Rover

Can Cape Canaveral Rise Again?

Even with the space shuttle in retirement, Cape Canaveral remains a busy spaceport. But can Florida's Space Coast regain its hallowed place as the world's capital of human spaceflight? Popular Mechanics tours the Cape to glimpse the present and future in heavy-lift rocket country.<p><b>The orange glow of</b> …

Space Exploration

2014: Year of the Eastern Arsenal

<b>LAND</b><p><b>Smart Munitions on the Internet Honor Roll</b><p>NORINCO, the main manufacturer of Chinese group weapons, recently revamped its website to attract foreign buyers for a wide range of modern ground weapons that the 2012 Pentagon Report called “increasing in global competitiveness”. The GS-1 155mm …

Netanyahu tells Merkel Iran is greatest threat to world security | Reuters

JERUSALEM (Reuters) - Israeli Prime Minister Benjamin Netanyahu told visiting German Chancellor Angela Merkel on Monday that Iran’s nuclear program was the biggest threat to global security.<p>Israel's Prime Minister Benjamin Netanyahu attends the weekly cabinet meeting in Jerusalem February 9, 2014. …