students should have gathered all the materials that they will need to construct their Heart Model.

Regarding creating a security system based on active web cam

of perhaps 100 programs tested active web cam performs the best

older versions run well on even slower computers

there is support for more than one camera

and will record sound

Check out their link at:

Some notes about security software in general

different web cams need different support

you might as well get ready with your operating system installed disk, use windows 2000 are higher

http://www.softwarepatch.com/ - a good alternative to Microsoft's site

make sure you have Internet explorer six or higher

DirectX 9 or higher

A potential of USB mess: check your USB connections and drivers in device manager,

if you go on to connect a second camera unplug the first one before you start