Older blog entries for sness (starting at number 5683)

Farming was so Nice, It was Invented at Least Twice - ScienceNOW

Farming was so Nice, It was Invented at Least Twice - ScienceNOW: "Whether farming arose once or a hundred times, it happened first in the Fertile Crescent, a broad region stretching from the Mediterranean Sea to Iran. Most research over the past decades has focused on the western stretches of the Fertile Crescent—including modern-day Israel, Palestine, Syria, Jordan and Turkey—in large part because those were the easiest areas to work in, both logistically and politically. Recent excavations in those areas have suggested that hunter-gatherers first began to gather and plant seeds from wild cereals and legumes, such as wheat, barley, and lentils, as early as 13,000 years ago. Over a few thousand years of such cultivation, the wild forms of these plants mutated into new, domesticated species that were easier to manage and harvest, making farming more productive and efficient."

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Syndicated 2013-07-05 20:00:00 from sness

Heat, Light, & Sound Research, Inc.

Heat, Light, & Sound Research, Inc.: "Heat, Light & Sound Research, Inc.

Innovative Technology Through Research
HLS Research is an employee-owned company of scientists and engineers dedicated to basic and applied research in a variety of wave propagation phenomena, specializing in underwater acoustics. Our staff has extensive experience in theoretical, computational, and experimental work, collaborating with leading academic, government, and corporate institutions in our efforts to serve at the forefront of oceanographic research."

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Syndicated 2013-07-05 04:35:00 from sness

Home - Whale Acoustics

Home - Whale Acoustics: "
Welcome to WhaleAcoustics, a small business conducting contract research work. We study ocean noise, noise impact on whales and the use of passive acoustics (listening to whale calls and songs) to census whales. At this website you can find descriptions of WhaleAcoustic's projects and the methods used.

"

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Syndicated 2013-07-05 04:33:00 from sness

Triton Software Package - Scripps Whale Acoustic Lab

Triton Software Package - Scripps Whale Acoustic Lab: "  There were two primary goals with the development of Triton. The first was to provide a tool which can be used to evaluate acoustic data recorded by Acoustic Recording Packages (ARPs), and more recently High-frequency Recording Packages (HARPs). These data are typically single channel, long duration (up to one year), continuous and scheduled duty-cycle time series. The time series data are often transformed to the spectral domain for evaluation as power spectra, spectrograms and Long Term Spectral Averages (LTSA). Triton provides the necessary tools to quickly review a large data set via an easy to use graphical user interface (GUI)."

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Syndicated 2013-07-05 04:28:00 from sness

Augmenting Human Intellect: A Conceptual Framework - 1962 (AUGMENT,3906,) - Doug Engelbart Institute

Augmenting Human Intellect: A Conceptual Framework - 1962 (AUGMENT,3906,) - Doug Engelbart Institute: "By "augmenting human intellect" we mean increasing the capability of a man to approach a complex problem situation, to gain comprehension to suit his particular needs, and to derive solutions to problems. Increased capability in this respect is taken to mean a mixture of the following: more-rapid comprehension, better comprehension, the possibility of gaining a useful degree of comprehension in a situation that previously was too complex, speedier solutions, better solutions, and the possibility of finding solutions to problems that before seemed insoluble."

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Syndicated 2013-07-04 22:54:00 from sness

Dirac delta function - Wikipedia, the free encyclopedia

Dirac delta function - Wikipedia, the free encyclopedia: "While from this perspective the Dirac delta can usually be manipulated as though it were a function, formally it must be defined as a distribution that is also a measure. "

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Syndicated 2013-07-04 21:53:00 from sness

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