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A robotic probe sent to explore beyond a mysterious stone seal inside the Great Pyramid of Giza in Egypt, has unlocked one mystery only to reveal another.

On Tuesday evening, the Pyramid Rover crawled 64 metres along a 20 cm2 tunnel in the centre of the pyramid. On reaching the end, it drilled through a mysterious stone obstruction resembling a type of door often used to guard a burial chamber.

But after passing a camera through drilled hole, the probe found only a second door blocking its way.

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But the obstruction at the end of the passage poses a mystery. It is made of limestone, which is normally only used to seal individual chambers, and has two brass handles attached.

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So the speed of light is an unsurmounatble constant, hmm? "Electric signals can be transmitted at least four times faster than the speed of light using only basic equipment that would be found in virtually any college science department."(New Scientist - I forget teh date of the article, try this link) What we are saying basically is not that are understanding of the laws of physics is wrong but that the thought that radio signals are the end all of communication is. Just becuase we can't envision a faster way to communicate than radio signals now does not mean that say ten years down the road we won't find a way. In fact historically, the assumption that we will has a 99% probability of being right. In the 1820's, scientists were working with many of the same physics equations we are working with now and came to the conclusion that humans would never be able to travel faster than 20 miles per hour. By 1840, humans were going 40 miles on average on trains, and 70 on the express. Basically waht we are arguing is that it is ludicrous to think that alien civilizations would be using radio signals to communicate when from what we know of technological progress shows that that woudl be like sticking with stone knives and bear skins. Just becuase you don't get telegrams anymore doesn't mean that your the only human left alive, it simply means that everyone else has found a better form of communication. So it really shoudl not suprise us that we are not hearing radio signals. It simply means that the civilizations taht exist have found a better mode of communication. Hell, 100 years ago the idea of communicating by radio was yet to be thought of. Secondly, assuming they have found a way to travel fatser than light, doesn't it make sense they would have also found a way to communicate fatser than light to keep in contact with those ships (or at the very least, a pony express type deal - if you have ships that can travel faster than light, you have a way of carrying a message faster than light.) What those methods of ccommunicatipon will be is any ones guess, but to think that radio signals are the end of communication is absurd and to think any civilization would be stuck without finding a better way is equally absurd. And even if theyu couldn't, who wants to spend 250,000 years just to make a phone call?

OK, so part of this can be tossed off as a little bit of paranoia, but the patent issue is only a small part of the iceberg that is medical research. There is a dearth of substances out there that fight depression (St. Johns Wort), cancer, and other ailments that no-one is willing to put through the rigorous testing required by the AMA, and FDA because there's NO MONEY IN IT. They can't patent it, so as soon as it's approved, anyone can sell it. It's a sad but true fact that it happens all the time. If you're intersted in starting down the road of true paranoia, look at When Healing Becomes A Crime, The Harry Hoxsey Story if you can find it. try here if you're interested

A similar, fairly recent find is the controversial "pyramids" found off the coast of Japan. There are many web sites about this site, but a pretty decent one can be found at http://www.lauralee.com/japan.htm. There is a lot of debate about whether these structures are man-made or natural. Either way, there are some pretty cool pictures:

http://www.lauralee.com/japan/japan1.htm

http://www.lauralee.com/japan/japan2.htm

A similar, fairly recent find is the controversial "pyramids" found off the coast of Japan. There are many web sites about this site, but a pretty decent one can be found at http://www.lauralee.com/japan.htm. There is a lot of debate about whether these structures are man-made or natural. Either way, there are some pretty cool pictures:

http://www.lauralee.com/japan/japan1.htm

http://www.lauralee.com/japan/japan2.htm

A similar, fairly recent find is the controversial "pyramids" found off the coast of Japan. There are many web sites about this site, but a pretty decent one can be found at http://www.lauralee.com/japan.htm. There is a lot of debate about whether these structures are man-made or natural. Either way, there are some pretty cool pictures:

http://www.lauralee.com/japan/japan1.htm

http://www.lauralee.com/japan/japan2.htm

First, I think you meant a site about levitation at Nijmegen-Amsterdams University's magnet laboratory. This site has both physics and pictures :)

Second, a Levitron, which you can buy for a couple of bucks. The working principle is rather complicated, though.

Third, Nd-Be-F supermagnets should be rather cheap nowadays, so buy and try yourself :)

Andrei