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Gold has always been a major fuel for humans' imagination, oft-present in their tales, from legends and children's stories to serious novels, stressing on the importance of the glittering material associated with the difference between rich and poor. The Incan, who built vast cities of gold, referred to it ... |
16 December 2008
15:51 GMT |
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In spite of the promising predictions made during the changing of the millennium about hydrogen, which was supposed to fuel the average vehicles (from car to airplane and ship), supply the energy production process, and do all that without posing a threat to the environment, almost a decade later things are still as ... |
1 December 2008
05:49 GMT |
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The wise Solomon was Israel's 3rd king from 965 BC to 925 BC, the son of King David (from the story of David and Goliath), and the owner of an enormous harem and incommensurate wealth gathered by means of mining and trading. H. Rider Haggard's best-selling novel, “King Solomon's Mines,” fue... |
28 October 2008
03:28 GMT |
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Dust has been associated with damages to the nose, throat and lungs for a very long time, especially in the case of those working underground, inside mines or in quarries. Over the years, large amounts of dust are inhaled by workers. These tiny particles can form deposits inside the lung, diminishing their capacity t... |
27 October 2008
03:33 GMT |
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The recent resolution of the Bush administration managed to lift the ban on the exploitation of uranium mines in the Grand Canyon. This could cause the contamination of the Colorado river's water, severe wildlife damage and increased toxicity of the area.According to the associated news release, a last year'... |
17 October 2008
05:59 GMT |
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According to the mining company Gem Diamonds, miners in the Lesotho region of South Africa recently came upon a near-flawless diamond weighing approximately 500 carats, one of the largest ever discovered. The shiny stone was unearthed on September 8 from the Letseng mine, and the experts in Antwerp claim it has ... |
23 September 2008
07:10 GMT |
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It looks like a crater with a volcanic lava lake, but it is not. It is said that the hell is located underground. In this case, "The Door to Hell" is this site in Uzbekistan, located close to the small town of Darvaz. This phenomenon started during the Soviet times, 35 years ago. Geologists and miners were drilling i... |
8 April 2008
14:06 GMT |
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How much gold did the ancient Egyptian goldsmith process? The historian Hecateus of Miletus (4th century BC) said the extracted gold would raise to 32 million Greek mines (the 'mine' was the ancient Greek unit of mass; the amount in discussion represents about 10,000 tonnes!), a highly exaggerated number. T... |
20 March 2008
11:20 GMT |
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1.Mining started in the Neolithic (New Stone Age), 12,000 years ago, when people gathered grit from the surface of the ground, and later from subterranean deposits. At first, grit mines were made of vertical wells, up to 2 m (6.6 ft) wide and 10 m (33 ft) deep. Tunnels were excavated at the bottom of the well, until ... |
28 January 2008
06:56 GMT |
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Humans see with their eyes, dogs are said to "smell" things and bats literally see with their ears. The little flying mammals have a complex sonar, employing ultrasounds (sounds with a frequency over 20 kHz, which cannot be heard by the human ear). Bats employ the sonar especially when hunting and flying through cave... |
12 November 2007
03:29 GMT |
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The modern gold rush is as wild and disorganized as it was in the 19th century, and represents a threat the most beautiful national parks in the US, due to the increase in the metal prices. "Areas surrounding iconic locations in the western US such as Yellowstone National Park and the Grand Canyon risk being intensiv... |
20 August 2007
07:18 GMT |
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If the Japanese are sometimes hilariously straining to humanize the robots making them sing, dance or even make love, the Americans seem to have always a more pragmatic approach.The last "American" robot, a prototype, was conceived to destroy underwater mines which could kill Marines and Navy SEALs as they come on sh... |
10 August 2007
11:50 GMT |
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There are an estimated one hundred million unexploded land mines around the world. Placing and arming them is relatively inexpensive and simple, the process of detecting and removing them is typically expensive, slow and dangerous.Small size antipersonnel mines are the most dangerous, because they are very small, ma... |
30 July 2007
09:47 GMT |
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Playing cat and mouse can have a different outcome from what we see in some cartoons. Tom and Jerry can be even very good friends when solving some very special tasks. In the past years, a special Colombian police unit has been training rats and cats put in the same cages as part of a project to teach the rodents to... |
26 July 2007
04:16 GMT |
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Elephants amaze us with their abilities, from their infrasound communication to the perception of seismic waves. Now they appear to have a mysterious ability of detecting land mines. This was observed in elephants moving to war-ravaged southern Angola from neighboring countries, especially Botswana. "The elephants ar... |
17 July 2007
03:27 GMT |
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Even with the current advanced technology in high-tech sensors and underwater robotics, dolphins and sea lions keep on being the U.S. Navy's best defense against scuba diving terrorists. "They are better than anything we have ever made,'' said Mike Rothe, head of science for the Navy's marine mamm... |
14 April 2007
03:58 GMT |
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This week, at the Ocean Business Conference in Southampton, a revolutionary unmanned submarine which can locate and destroy underwater mines is due to be unveiled.Since World War II, 14 U.S. ships have been sunk or damaged by mines, while only two have been sunk by enemy fire and many more commercial ships belonging... |
28 March 2007
06:51 GMT |
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