منابع مشابه
Shedding some light on UFOlogy and UFOs
“The UFOs that never were” We climbed over the fence and started heading towards the red and blue lights and they just disappeared. Once we reached the farmer’s house we could see a beacon going around so we went towards it. We followed it for about 2 miles before we could see it was coming from a lighthouse. John Burroughs January 1981 statement When we got within a 50 meter distance. The obje...
متن کاملShedding Some Light on the Sunshine Act.
I read with interest Mr. Aicher’s editorial in the Aesthetic Surgery Journal, and wanted to echo and share some of my thoughts and concerns on this new government mandate. Approximately 2 years ago the Centers for Medicare & Medicaid Services (CMS) was tasked by the federal government to oversee and report all payments made to health care providers, owing to concerns that payments from the phar...
متن کاملShedding Light on Light*
There are four books describing early studies and views on light, optics and vision that are considered to be landmarks in this branch of science. The first of these is Euclid’s Optica, published about 300BC, in which he postulated that light travelled in straight lines; he described the laws of reflection and described them mathematically. The second is by Ptolemy. He is best known for his 15 ...
متن کاملShedding light on NSOM.
I took patience and hard work. Now, finally, researchers are seeing some sunshine break through what was once a cloudy beginning for near-field scanning optical microscopy (NSOM). Paul Barbara of the University of Texas–Austin (UT– Austin) is among a group of analytical chemists who have a deep respect for this tool and see it as a technique ripe with potential, ranging from chemistry to physic...
متن کاملShedding Light on Adaptation
One of the most remarkable features of the vertebrate retina is its ability to adapt to ambient illumination. One can read from this page by candlelight or one can read from it on a sunny afternoon, but the page always appears white and the letters black. It is the molecular trickery of light adaptation that enables photoreceptors to evade saturation and accurately report relative contrast even...
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ژورنال
عنوان ژورنال: The Meducator
سال: 2012
ISSN: 1929-4239,1929-4220
DOI: 10.15173/m.v1i2.593