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In 1889, Kansas undertaker Almon B. Strowger wanted to prevent telephone operators from advising his rivals of the death of local citizens. So he invented the automatic exchange. |
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Researchers produce blood in lab from stem cells
Reads: 49 |
Posted by Thoth on Monday, August 25, 2008 (CDT)
 Scientists said Tuesday that they had devised a way to grow large quantities of blood in the lab using human embryonic stem cells, potentially making blood drives a thing of the past. But experts cautioned that although it represented a significant technical advance, the new approach required several key improvements before it could be considered a realistic alternative to donor blood.
The research team outlined a four-step process for turning embryonic stem cells into red blood cells capable of carrying as much oxygen as normal blood. The procedure was published online by the journal Blood.
The ability to make blood in the lab would guarantee that hospitals and blood banks have access to an ample supply of all types of blood, including the rare AB-negative and the universal donor type, O-negative.
(Read More... Science | Word Count: 705 | comments? | Score: 0) |
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Warp Drive Engine Would Travel Faster Than Light
Reads: 381 |
Posted by Thoth on Tuesday, August 12, 2008 (CDT)
 It is possible to travel faster than light. You just wouldn't travel faster than light. Seems strange, but by manipulating extra dimensions with astronomical amounts of energy, two Baylor University physicists have outlined how a faster-than-light engine, or warp drive, could be created that would bend but not break the laws of physics.
"We think we can create an effective warp drive, based on general relatively and string theory," said Gerald Cleaver, coauthor of the paper that recently appeared on the preprint server ArXiv.org
The warp engine is based on a design first proposed in1994 by Michael Alcubierre. The Alcubierre drive, as it's known, involves expanding the fabric of space behind a ship into a bubble and shrinking space-time in front of the ship. The ship would rest in between the expanding and shrinking space-time, essentially surfing down the side of the bubble.
(Read More... Science | Word Count: 843 | comments? | Score: 5) |
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Islam's Contribution to Chemistry
Reads: 192 |
Posted by Thoth on Sunday, July 27, 2008 (CDT)
 Before addressing the subject of Muslim chemistry, however, one crucial matter needs to be raised. It concerns the use of the word Alchemy instead of chemistry. This is another instance of historical corruption fooling so many who have no perception of the depths some scholarship can descend to in order to convey distorted images of aspects of history, such as that of Islamic science.
Alchemy, indeed, is a corrupt translation of the Arabic word Chemia (chemistry,) preceded by the article Al (which means: the), and which the Arabs always use (like the French and others for that matter) in front of their subject such as Al-Tib (medicine) al-Riyadiyat (mathematics) etc... If this was applied to other subjects, it would become al-medicine; al-mathematics, al-geography and so on...
Only Baron Carra de Vaux had had the presence of mind to pointing to this, however briefly. Somehow al-Chemy should be translated literally The Chemistry and not Alchemy in English; and La Chimie and not l'alchimie in French. The fact that only Westerners translated or dealt with the subject, followed by rather very respectful or shy Muslim scholars means that this corrupt word of al-chemy has remained, and has become the norm.
(Read More... Science | Word Count: 1623 | 1 comment | Score: 5) |
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Scientists expose mystery behind northern lights
Reads: 111 |
Posted by Thoth on Friday, July 25, 2008 (CDT)
 Scientists have exposed some of the mystery behind the northern lights. On Thursday, NASA released findings that indicate magnetic explosions about one-third of the way to the moon cause the northern lights, or aurora borealis, to burst in spectacular shapes and colors, and dance across the sky. The findings should help scientists better understand the more powerful but less common geomagnetic storms that can knock out satellites, harm astronauts in orbit and disrupt power and communications on Earth, scientists said.
A fleet of five small satellites, called Themis, observed the beginning of a geomagnetic storm in February, while ground observatories in Canada and Alaska recorded the brightening of the northern lights. The southern lights — aurora australis — also brightened and darted across the sky at the same time.
These auroral flare-ups occur every two or three days, on average.
(Read More... Science | Word Count: 486 | comments? | Score: 0) |
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Exploring Street Light Interference
Reads: 248 |
Posted by Thoth on Wednesday, July 23, 2008 (CDT)
 A man walks near a streetlight and it turns off. As he continues down the street the light turns back on again. Is this an explainable electrical phenomenon or the product of unknown energies?
Many have witnessed public streetlights that mysteriously go dark as someone passes below. While some may say this is due to mere chance, evidence suggests that an unknown electromagnetic phenomenon imbues a few individuals with the “ability” to influence electrical devices. Over the years, as these individuals have begun to share their experiences, this phenomenon has come to be known as Street Light Interference (SLI).
But do certain people really have a field of influence on electrical equipment? While there are motion detecting light systems designed, for security reasons, to switch on when it senses movement, public street lights are only triggered when daylight reaches a sufficient brightness. That is of course unless they come in contact with these electrically influential individuals.
(Read More... Science | Word Count: 918 | comments? | Score: 0) |
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