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Even though it is one of the oldest scientific disciplines astronomy remains at the cutting edge of technology and engineering. Once limited to the the observation of visible light, mostly in the night time sky, the 20th century saw the development of a host of new methods for exploring the cosmos. Using instrumentation sensitive to an ever expanding part of the electromagnetic spectrum scientists have been able to detect a host of previously unknown phenomena and look further into space than ever before. Radio telescopes were developed revealing the remnants of exploding stars while even higher energy instruments, like those using X-rays and gamma rays, made it possible to study the behavior of matter in extreme states, such as those found in pulsars and blazars.

The unique characteristic of laser light is that it is highly coherent. High spatial coherence means that laser beams can be focused into small spots and collimated beams can travel vast distances with minimal dispersion. Lasers can also produce light that is high in temporal coherence. This means the emitted light has a narrow spectrum or is of a single color. Temporal coherence also makes it possible to produce pulses that are narrow, with the fastest lasers being able to produce pulses that go down into the femtosecond range. The unique quality of laser light has resulted in lasers now being used in an increasing number of applications. This includes fields as diverse as science, medicine, communications, chemistry, printing, data storage, imaging, welding, robotics, surveying, mapping, guidance and cutting.

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The use of Ultrasonic products is increasing as new techniques and improvements in instrument performance constantly expand the range of applications. Spectrum digitizers are ideal tools for making ultrasonic measurements and can play a key role required in the development, testing and operation of these products. Spectrum digitizers and arbitrary waveform generators offer a wide range of bandwidths, sampling rates, and dynamic range to match the broad spectrum of ultrasonic measurement needs. When wide dynamic range and maximum sensitivity is required high-resolution 14 and 16 bit digitizers are available for capturing and analyzing ultrasonic signals from 100 kHz up to 250 MHz in frequency. A cost effective range of 8 bit digitizers is also available to cover frequency ranges from 5 MHz up to 1.5 GHz. Typical ultrasound applications include Non-Destructive Testing (NDT), Ultrasonic Testing (UT), Doppler Effect Flow-meters, Time-of-flight Diffraction (TOFD), Range Finding, Scanning Acoustic Microscopy (SAM) and Tomography (SAT), Medical Sonography and Ultrasonography, Phased array ultrasonics, Laser ultrasonics and Acoustic Emission.

This brochure presents information about autism spectrum disorder (ASD) including signs and symptoms, causes and risk factors, diagnosis in young children, older children, teens, and adults, and treatments.

From ideas to nal products, our partnership spans the full spectrum of your project. With applications expertise and medical device experience that not only enables, but enhances, each step in the process.

A spectrum (pl.: spectra or spectrums)[1] is a condition that is not limited to a specific set of values but can vary, without gaps, across a continuum. The word spectrum was first used scientifically in optics to describe the rainbow of colors in visible light after passing through a prism. As scientific understanding of light advanced, it came to apply to the entire electromagnetic spectrum. It thereby became a mapping of a range of magnitudes (wavelengths) to a range of qualities, which are the perceived "colors of the rainbow" and other properties which correspond to wavelengths that lie outside of the visible light spectrum.

In Latin, spectrum means "image" or "apparition", including the meaning "spectre". Spectral evidence is testimony about what was done by spectres of persons not present physically, or hearsay evidence about what ghosts or apparitions of Satan said. It was used to convict a number of persons of witchcraft at Salem, Massachusetts in the late 17th century. The word "spectrum" [Spektrum] was strictly used to designate a ghostly optical afterimage by Goethe in his Theory of Colors and Schopenhauer in On Vision and Colors.

In the physical sciences, the term spectrum was introduced first into optics by Isaac Newton in the 17th century, referring to the range of colors observed when white light was dispersed through a prism.[2][3] Soon the term referred to a plot of light intensity or power as a function of frequency or wavelength, also known as a spectral density plot.

Antibiotic spectrum of activity is a component of antibiotic classification. A broad-spectrum antibiotic is active against a wide range of bacteria,[4] whereas a narrow-spectrum antibiotic is effective against specific families of bacteria.[5] An example of a commonly used broad-spectrum antibiotic is ampicillin.[5] An example of a narrow spectrum antibiotic is Dicloxacillin, which acts on beta-lactamase-producing Gram-positive bacteria such as Staphylococcus aureus.[6]

In psychiatry, the spectrum approach uses the term spectrum to describe a range of linked conditions, sometimes also extending to include singular symptoms and traits. For example, the autism spectrum describes a range of conditions classified as neurodevelopmental disorders.

In social science, economic spectrum is used to indicate the range of social class along some indicator of wealth or income. In political science, the term political spectrum refers to a system of classifying political positions in one or more dimensions, for example in a range including right wing and left wing.

Autism spectrum disorder (ASD) is a developmental disability caused by differences in the brain. Some people with ASD have a known difference, such as a genetic condition. Other causes are not yet known. Scientists believe there are multiple causes of ASD that act together to change the most common ways people develop. We still have much to learn about these causes and how they impact people with ASD.

Spectrum can be automatically disabled if you pass in the disabled flag. Additionally, if the input that you initialize spectrum on is disabled, this will be the default value. Note: you cannot enable spectrum if the input is disabled (see below).

Since it is all built with HTML/CSS, you can skin it easily. There are two parts to the spectrum.css file, the core rules (at the top of the file), and the themable rules (at the bottom). Feel free to tweak these rules to make it look how you want.

The translational science spectrum shows the stages of translational research. The stages do not happen in a straight line or in one direction. Each stage builds upon and informs the others. At all stages, our staff and grantees come up with new approaches, prove their usefulness and share the findings. Patient involvement is a key feature of all stages in translation.

All relationships exist on a spectrum from healthy to abusive, with unhealthy relationships somewhere in the middle. Explore our interactive Relationship Spectrum by rating different scenarios as healthy, unhealthy, or abusive and find out where your own relationship falls. 2351a5e196