Euclid is Greek. Personally I pronounce it "yoo-clid".
P.S: Today, Julius Caesar's name is not pronounced how it was in Roman times as it was spelt Iulius Caesar. The Romans had no "j", they used an "I" in consonant form and the "ae" was pronounced as "eye" not "aye" or "ee".
It still seems to be taught at school. I and all my friends have learned the short division method. In fact, a couple of years ago when we were introduced to long division, most people could not do it. To this day (as far as I know) a fair amount of people can not do it and do know care for it...
If this is purely science fiction then anything generally goes. But if you are being serious, I recommend checking your source of information.
There has been a lot hype about NASA supposedly building a warp drive technology. From what I've heard this is VERY preliminary and almost all...
To me Ancient Aliens looks like a show that suggests (though generally far-fetched) possible answers to things which we do not have definite answers to. But almost all of the stuff suggested there is most likely wrong.
I can only fluently speak in one language (English) but I am essentially fluent in reading French (though sometimes I require a dictionary for in depth material)and my own conlang. I also know a little bit of spanish and can also read (and communicate with some trouble) to a pretty good degree...
It would depends on how far the ship is from the Earth's atmosphere and the direction of the craft. But I reckon Earth would still be affected by a nuclear bomb's radiation.
I think anti-matter is certainly a ridiculous technology that will never be able to be used in the hands of humans...