How does a seismograph work?

I've read about telepathy in internet. I tried very hard but couldnot do that. Does it really work?

please help. science project!! When you see a delicious cookie and you want to eat it, how do the Skeletal system (bones) an...

u no liike how you twist it and the top pops off I cant do it whats the sience behind it air pressure?

I really need to know how a vacuum cleaner works. Its for my science project. Please help me!

on the news there putting solar panels on houses to say on energy or something like that. how are solar panels suppost to pro...

Has anyone worked on Cadavers before? For those who don't know what Cadavers are they're korps which is a body that colleges ...

We want to be calm and good always. However, sometimes when we don't like something, our mind burst in anger? Why does it h...

i was reading a book and in the book i read about the doppler effect so i started wondering if a musician who was playing an...

I've been looking for the answer to this for sooo long now... When the Earth Moon, and Sun work together as a system, what ge...

As in the show Heroes, Hiro Nakamura freezes time ... so I wonder would he not just...die ? Since time freezes, so do the par...