Other Sciences

New here. Don't know if I'm in the right place. I found this along with some arrowheads in an Alabama lake. What is it? Bone? Tool? Any ideas where someone may know?

I bought a small torch light bulb one hour ago as my old one was faulty after I connected it to a 15V battery. Now, it is quite different from my old one, not exactly the same in some manners. For the old one, it can endure a voltage of 2.4V and so does my new one. However, a label " 0.8A" was on the old one but "0.5A" is on the new one. What does it mean? I guess it probably is the ampere of current passing through the circuit with a voltage of 2.4V with the presence of this bulb. I guess so. By the way, I have no idea on which bulb can give a brighter light. I think the new one could be brighter as the resistance is higher, am I correct?

Energy is never lost, just transferred. Right. What happens to sound energy? Does it change to heat through friction, or does it collect in a small corner of the room!

I read this book titled "Know it All" by Ed Zotti and I found this question. When a cereal says "fortified with iron", does that mean it has pieces of metal floating around in it. To my disbelief, it is true! The book says if "you were to run a powerful magnet through such cereal, tiny black specks will stick to the magnet." These are iron filings. Um...I bought this book from Kinokuniya, so I think it shouldn't be kidding. Is it true? The idea sounds really weird though.

hey i was trying this basic science quiz and well you can see the answer i gave.... is it correct? or i mean should there be more boxes ticked or anything? i am pretty sure its right....thought i'd double check though -Sarah

The titanic sunk because there was a large gash which whent through 4 bulkeheads, and 3 was the max to stop the ship sinking. In hindsight, would it have been a better idea to not try and avoid the iceberg, and hit it head on so that only 1 bulkhead (the front) would have burst?

I just searched this on Science Forums and saw it hasn't been mentioned. It should tho. Not sure where to post it also so, this is somewhat Tech Science. I first saw this on NextCNN a couple of months back. It seemed amazing and I wonder what Da Sci Members have to say. ** http://www.defense-update.com/products/t/trophy.htm ** --Stupid site puts the scroll bar on the left-- It pretty much stops incoming projected crap (anything from Missiles to gernades). Developed by some Israeli group. I don't have much to say other than it looks amazing. I can't find the video I saw, but it showed a missile coming near a tank and then just disintegrating. W…

what is the maximum weight an island can hold what is the maximum weight our planet can withstand when the weight on one island is more than other, can the tectonic plate slip over another or crash with another. each and every meteorite that reaches the earth surface adds more weight

I love science and all it encompasses. But I have noticed there are some that disagree with the status quo like Einsteins theory the big bang and such. Can anyone tell me what percentage of the science community is together and what parts are not? The ones that disagree with the status quo state that the ones in the know are spouting dogma according to there findings. Then the disputers arise and tell there side. Why is the science community divided into so many camps? Would not this division cause the non scientist and believers to mistrust science and the scientists that make these discoveries? PLJAMES

a few Q's: 1. Where is the best palce in the UK to buy microscopes, online preferably. 2. What are the basic things i will need to prepare and stain microscope slides, and is there any shops/ online stores (pref. Uk also) that stock these. or just things that would be handy in microscopy. Also like a 'starters kit' would be usefull if anyone knows of a sort. 3. Any good books on microscopy or websites for the begginer? thanks!

Does there exist a substance that is clear, liquid and magnetic? I have heard of magnetic plastics recently and was wondering if a substance like the one I mentioned would be able to be suspended (possibly in space) in an electromagnetic field and manipulated to make a perfect lens. Is this feasible? Would it be any better than the solid ones we have today?

http://www.newindpress.com/NewsItems.asp?ID=IE320050424061423&Page=3&Title=Features+-+Health+%26+Science&Topic=166 http://www.sciencedaily.com/releases/2005/04/050422165917.htm Also known as "microbial fuel cells", this technology is interesting because it suggests less energy-expensive ways to produce hydrogen, one of the biggest barriers in the search for alternative fuels.

If the universe is composed of these things which physicists state it does and we and this planet and all in it also does, question? Does this energy have intelligence? Like does the tree which is energy know its a tree and how did it become a tree by just energy alone without intelligence or with intelligence? Just a secular answer please. pljames

How many gold metals are given in every International Physics Olypiad Competition?

Poll: what is everyone favorite lab they did in school (highschool, JH, collegfe, etc)? It could be bio, chemistry, etc. I personally dont really have a favorite, since i have only taken biology and none of the labs i really liked. Im sure next year (chemistry) ill have plenty of favorite labs

does anyone hear knows about john titor? what you think of his time travel being true? or he was just a fraud?

First of all, I'm sorry if anyone thinks this is in the wrong topic. I looked at all the topics, and I couldn't decide because different people will have different opinions about this post. Some may believe that this is fictional, or related to religion. However, I believe that this really happened, so I consider it to be real science. Several years ago, there were a few teachers in an elevator at a college in Gettysburg. They went down into the basement for some reason. When the doors opened, they found themselves back in the Civil War! The basement was being used as a hospital. There were injured Civil War soldiers everywhere. The teachers pushed a button…

I love basic science, the observable, now there is advanced science, the non observable(without the observed). Wth advance science comes questions,speculations, hypotheses and conjecture. Even with philosophy comes the same. More questions,speculations,hypothesis and conjecture. How deep is deep? How much is to much? Do you understand the question/answer and will you accept the answer? Even tho you observe what if you do not understand or except what you see, then what.Again, how deep is deep and how much is to much? pljames

Hi, my name is Paul I am currently studying an art history degree in the uk, in particular I am researching Piet Mondrian and a painting called 'Evolution' (1910-1911). Having researched a little in to this already I know the painting represents the 'Three Stages of Knowledge', Mondrian himself became an active member of the Theosophische Gesellschaft, which I believed translates as the Theosophical society (a combination of philosophy and theology). I know that the three stages our as follows:- 1. Thales' speculative science 2. Newton's speciality science 3. Rudin's generalism 1. It is believed that Thales of Miletus (624-547 BC) was the first greek philosopher…

Are there nukes that can fit into a suitcase? If so, how heavy would they be and what would the power be? Not dirty nukes, but the real deal. I know that the US had an artillery piece during the Cold War called "Atomic Annie" that shot nukes, but I don't know the size of the projectile.

I am reading some Fred Hoyle (i'm sorry i thought it was a book on evolution) and am realizing that he is the source of most of creationist defenses, lets call them 'power chords' since theres only a few of them and they play them over and over and still think they sound cool. While being the inventor of these power chords, it is unclear to me whether he is a creationist himself. I have three questions: 1. How can he have been such an influential astronomer, and yet have been such a an apparent spring of bullshit? 2. Fred says : the chance of obtaining the required set of enzymes for even the simplest living cell was one in 10^40,000. Since the number of a…

In my zealous fanatical attempt to undersand science/knowledge it would have to be observable and analytical science. I am also leaning toward analytical philosophy. Any help with this opinion would be greatfully appreciated. pljames

I've always been told that if some one touched somebody else grabbing an electric fence, the former would get the shock. If this is true, why is it so?

How are hybrid cars that don't need to be recharged more efficient than a standard car? The energy from the batteries ultimately comes from gasoline anyways. Wouldn't it be less efficient to charge a battery with gas and then use the battery to power the car than to use gas directly?

Hi people... Im doing a project for environmental conservation... My group has come to a decision of using people's daily 'exercise' as a form of energy eg. walking, running, working out... Simple actions as such can be converted to electrical energy... other alternative forms of energy that exist in the world would be HEP, solar energy, and wind energy... So to protect the environment and to decrease the amount of fossil fuels being dug out a year... Why not you play a part by using yourself as a source of energy... Why not attach a device to your shoes that can produce energy while you walk... and then use this energy stored to power up your house... firstly, …