[durty53]

Guys, I need help.We have a project on Chemistry and we are assigned by group to make an improvise laboratory centrifuge machine.
I just want to ask if anyone here has an idea in making the machine 'cause I search through internet but none of the links help me..
I hope you can give me any Idea about the materials to be use in making the machine..

Any idea will be appreciated!
Thanks in advance

[408]

Get a device for elevating the rear wheel of a bicycle, such that it can be pedalled indoors without translational motion.

Affix sealed tubes to the spokes.  Pedal.  Done

Tried and true 

[MrTeo]

Try http://citsci.blogspot.com/ too... if I remember well there was also something about a homemade centrifuge