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How to Build & Manage a Virtual Workforce. Systems content from Microwaves & RF. The purpose of radar is to provide some form of warning, whether as part of a military surveillance system, a weather-tracking system, or our efforts to better know the universe.

Systems content from Microwaves & RF

Short for radio detection and ranging, radar was initially developed for military use (to detect ships and aircraft during World War II), but now has many applications. Radar systems have matured with the development of different technologies, such as RF/microwave amplification and digital signal processing (DSP). They are now used on earth, at sea, on the road, and even in outer space. Radar can operate with continuous-wave (CW) signals. More commonly, though, it transmits and receives pulses, measuring the range or distance to a target based on the delay time of the pulses and the velocity of the target based on the Doppler frequency shift of the received signals. 1. 2. 3. Global Government Requests Report. By Colin Stretch, Facebook General Counsel Transparency and trust are core values at Facebook.

Global Government Requests Report

We strive to embody them in all aspects of our services, including our approach to responding to government data requests. We want to make sure that the people who use our service understand the nature and extent of the requests we receive and the strict policies and processes we have in place to handle them. We are pleased to release our first Global Government Requests Report, which details the following: Which countries requested information from Facebook about our usersThe number of requests received from each of those countriesThe number of users/user accounts specified in those requestsThe percentage of these requests in which we were required by law to disclose at least some data The report covers the first 6 months of 2013, ending June 30.

As we have made clear in recent weeks, we have stringent processes in place to handle all government data requests. Data Requests Yes. Adultery website makes aggressive push in Asia. If Japan is anything to go by, it could be a fast track success here in Hong Kong, Ashley Madison's second market in North Asia.

Adultery website makes aggressive push in Asia

Over a million people signed up within two months of their launch there. And even before the launch of their new Hong Kong site, Biderman says the U.S. website got over 320,000 hits from Hong Kong in the past year, even though it wouldn't match people up for affairs locally. The company is using a unique approach, by targeting the female market. Biderman says the pattern of female infidelity gets its first major rise when women enter the workplace. (Read more: Why Marriage Makes Women Drink More) "They have economic independence, want to meet interesting people. Biderman cites rising divorce as an indicator of massive demand for this product, saying that the Hong Kong government statistics show that 30 out of 100 married couples filed for divorce in 2011, twice the number in 1991. (Read more: For gay couples, divorce comes with extra costs)

Better way of checking authenticity of Earth’s smallest, most valuable bits of paper. "Spectral Database for Postage Stamps by Means of FT-IR Spectroscopy"Analytical Chemistry With stamp collecting a popular hobby and lucrative investment, scientists are describing a comprehensive new way of verifying the authenticity and rooting out fakes of what may be the smallest and most valuable pieces of paper on Earth.

Better way of checking authenticity of Earth’s smallest, most valuable bits of paper

Their report appears in the ACS journal Analytical Chemistry. Ludovico Valli and colleagues explain that museums, archives and private stamp collectors have long been searching for better ways to confirm the authenticity of rare stamps, and details like cancellation marks that increase value. But until now, those approaches have been limited to individual components of a stamp, like the ink, or have relied on expert inspections. Valli’s team looked for a better way. The authors acknowledge funding from the European Regional Development Fund and the National Operational Programme for Research and Competitiveness 2007-2013. Words of Wisdom From Self-Made Billionaires (Incredible Tips For Extreme Success)

The Ultimate Counterfeiter Isn't a Crook—He's an Artist. Photo: Jaap Scheeren On a bright May afternoon in 2007, a German artist and printmaker named Hans-Jürgen Kuhl took a seat at an outdoor café directly opposite the colossal facade of the Cologne Cathedral.

The Ultimate Counterfeiter Isn't a Crook—He's an Artist

He ordered an espresso and a slice of plum cake, lit a Lucky Strike, and watched for the buyer. She was due any minute. Kuhl, a lanky 65-year-old, had to remind himself that he was in no rush. He’d sold plenty of artwork over the years, but this batch was altogether different. Tourists milled about the platz in front of the cathedral, Germany’s most visited landmark, craning their necks to snap pictures of the impossibly intricate spires jutting toward the heavens.

On the other side of a low brick wall surrounding the café, Kuhl finally spotted her. When they first met a few months earlier, Falkenthal said she was an events manager from Vilnius, Lithuania, and gave Kuhl a card printed with a Vilnius address as well as an address from the German city of Essen. Pages: 1 2345View All.