Tag: phone
best cellphone accessory ever
by Jim on Aug.10, 2009, under Science Life
View Comments :biology, healthcare, microscope, phone, technology more...
Today in science history March 27th
by Greg on Mar.27, 2009, under Science Life History
twitter, facebook, text messaging, gmail, chat, im, all owe their existence to these major leaps in human communication: (continue reading…)
Today in Science History March 10th
by Greg on Mar.10, 2009, under Science Life History
Hello, is anyone out there? (todayinsci.com):
In 1876, Alexander Graham Bell made what was, in effect, the first telephone call. His assistant, Thomas Watson, located in an adjoining room in Boston, heard Bell’s voice over the experimental device say to him, “Mr. Watson, come here. I want you.” This was Bell’s first successful experiment with the telephone, which is recorded in the 10 Mar entry of his Lab Notebook. That same day, an ebullient Bell wrote his father of his “great success” and speculated that “the day is coming when telegraph [phone] wires will be laid on to houses just like water and gas – and friends converse with each other without leaving home.” Bell had received the first telephone patent three days before. Later that year, Bell succeeded in making a phone call over outdoor lines. (continue reading…)
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Nasa's Image of the Day
Little Galaxy With a Tail
This infrared portrait of the Small Magellanic Cloud, taken by NASA's Spitzer Space Telescope, reveals stars and dust in this galaxy as never seen before. T The image shows the main body of the Small Magellanic Cloud, which is comprised of the "bar" and "wing" on the left and the "tail" extending to the right. The bar contains both old stars (in blue) and young stars lighting up their natal dust (green/red). The wing mainly contains young stars. The tail contains only gas, dust and newly formed stars. Spitzer data has confirmed that the tail region was recently torn off the main body of the galaxy. Two of the tail clusters, which are still embedded in their birth clouds, can be seen as red dots. The data in this image are being used by astronomers to study the lifecycle of dust in the entire galaxy: from the formation in stellar atmospheres, to the reservoir containing the present day interstellar medium, and the dust consumed in forming new stars. The dust being formed in old, evolved stars (blue stars with a red tinge) is measured using mid-infrared wavelengths. The present day interstellar dust is weighed by measuring the intensity and color of emission at longer infrared wavelengths. The rate at which the raw material is being consumed is determined by studying ionized gas regions and the younger stars (yellow/red extended regions). The Small Magellanic Cloud, and its companion galaxy the Large Magellanic Cloud, are the two galaxies where this type of study is possible. Image Credit: NASA/JPL-Caltech/STScI
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