How to Make a Huge Microscope Projector from a Laser Pen
Amazing way to turn a simple little laser pen into a mega-microscope projecting up to 4mx4m. I've been playing with some great kit from Timstar lab supplies (www.timstar.co.uk), and using this you can see the bacteria zipping around your tap water, pond water etc. It's great to compare the sight of milk solutions, yeast solutions etc. I wrote a worksheet for it here: www.timstar.co.uk/media/wysiwyg/stefan_gates/laser_microscope.pdf
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