Other - Science

If the half-life of fluorine-18 is 110 minutes, then approximately what percentage of a sample will remain...

after 200 minutes? A. 28% B. 13% C. 50% D.25%-After 110 minutes, 50% will be left. After 220 minutes, 25% will be left. However, you want it after 200 minutes. Because 25% is left after 220 minutes,

Replicators would come form teleportation technologies, or not

It seems to me the technologies would be some what similar.-NOT! Theres no such thing.

Hypothetically what are factors of a hypothetical teleportation device

Im no PHD. Im just curious, and naive and misinformed as I am informed. Matter Energy What role would volume andmass play in teleportation, hypothetically? Thanks.-since mass can be exchanged into

Weird egg question? Mysterious object found

My grandma was making eggs the other day, and when she cracked open the egg there was a small, hard object in it. Its about the size of a pea. Its around the color of a piece of egg yolk. My grandma i

Does an experiment always have to have a control group

No.Imagine you experimenting to see which brand of 3 tires had a longer-lasting tread.Your experiment would be to run all three brands and see which wore out last- you are comparing three independent

Does the Symmetry have anything to do with it, water splashing on hood in a certain spots, both sides of hood

Ok, its late. But, I had a thought while riding in my brothers old ram charger. It was raining and on both sides of the hood, which is apparently designed the same, left and right, there was one spot

Where does fire go when the fire goes out

It evaporates into hot air, cooling to the temperature around it.-This is a joke? As when a fire goes lout its dead! A non fire! It ceases to be! Gone to join the choir Eternal! Or are you trying t

Have you ever imagined a world with no hypothetical situations

Hypothetically speaking .. no-lol... thats a hypothetical situation in and of itself. but... no... i havent-Yes... Just take away humans...-I see what you did there ;)

What`s the speed of dark

Thats a very cool question. The canvas of 3rd dimensional reality is darkness. Its the default. Take everything else away and all that remains is space and darkness. Turn out the light and instant dar

What jobs are there for science in Canada/US

Im 17 and a duel citizen. I wannado something in science but I dont know what you can actually do. Im really good at physics but thats cluttered and I want to do something related to evolutionary biol

How long would it take to make your one arm as coordinated as the other dominate one

i would like to be mentally balanced and embrace my mental potential. i would like to know other ways in improving my brain activity.-Thats an interesting question. I would bet that it would be differ

What is matter, does it affect how things appear

Or are our brains a larger influence? What is matter, do we see things as they are? Im just curious, havent found the right words to ask this question yet, but maybe some one can help me. Our brains,

Here's a question for you science whizzes out there...

How do I use silver nitrate as an alternative to laundry detergent? I searched the Internet silver nitrate and it came up with shopping results for silver nitrate detergents along with facts about sil

What does music satisfy in our brains

I know this is odd but I was thinking about parts of our brain from my psychology class and I was wondering what does music do to our brains. What does it satisfy? Hard for me to explain what I want t

Do ghosts really exist

i have heard many stories about ghosts, spirits etc . but havent seen wid my own eyes... i really want to knw if they exist or not??-i dont think ghosts exist .....but ya if u believe that God exist t