Demonstrates the penetration depth of different wavelength.
The teacher holds laser pointer onto his finger in clear view of students and "shoots" different wavelengths through.
Which one can students still see on the other side of the finger?
warning: do NOT point laser towards students!
Peter Pitrone
Demonstrates how a light sheet illuminates a sample.
warning: do NOT point laser towards students!
Olaf Selchow (Carl Zeiss Microsystems)