Light waves shorter than the visible blue violet waves of the spectrum. crude oil, colored distillates, residuum, a few drilling fluid additives, and certain minerals and chemicals fluoresce in the presence of ultraviolet light. these substances, when present in mud, may cause the mud to fluoresce.
Tachyons themselves have not yet been proven to exist due to having never been observed in any scientific setting. Their existence, though pivotal to many models of physics, is only theoretical.
Earth Day has been celebrated in the United States since April 22, 1969. Earth Day 2009 marks the 40th anniversary.
That's an English slang phrase really. Could have been going round for years! It's meant to mean, rubbish, or nuts to that!
pigment used to make pain is NOT SAFE for the eye area! they are two different things, because pigments meant for the eye have been tested as safe for that area.
The best I could find is oil was first discovered in Egypt in 1869 but not put on production until 1910. See related link. I don't know why it took them so long to put it on production. They may have been drilling for water and encountered oil instead- but I don't know this is true. It is possible that there was no real market for oil at the time.
Ogoniland in Nigeria has been damaged from oil drilling
How was the planet Uranus been observed
Judgement based on what has been observed is a conclusion.
The Higgs boson. In fact, it has not been observed by 2011.
yes
"Observed" is a word that means something has been noticed.
where has some of the acid rain and forest decline been observed
All drilling rigs are designed to extract a significant amount of petroleum, which is trapped underground in a porous or permeable rock formation. The most common form of drilling rig has been the rotary rig.
Not on another planet per se. Venus and Mars have volcanoes, but none have been observed to erupt. Volcanic eruptions have been observed on Io, one of the moons of Jupiter.
calderas
It is basalt
Basalt