Defectoscopy and the measurement of thickness Student activity Play

Depletion of the ozone layer Slideshow Play

Devices that use microwaves Slideshow Play

Different receptors for different stimuli Student activity Play

Different types of energy Animation Play

Diffraction Chart Play

Diffraction Student activity Play

Diffraction grating Student activity Play

Diffraction grating Animation Play

Diffraction grating Whiteboard exercise Play

Diffraction grating constant Illustration Play

Diffraction of light Animation Play

Diffraction of light Whiteboard exercise Play

Diffraction of light Whiteboard exercise Play

Diffraction of light Student activity Play

Discovery of elementary particles Student activity Play

Division of electromagnetic waves Chart Play

Division of electromagnetic waves Chart Play

Division of electromagnetic waves Chart Play

Division of electromagnetic waves Chart Play

Division of electromagnetic waves Chart Play

Division of electromagnetic waves Chart Play

Division of electromagnetic waves Chart Play

Division of UV radiation Illustration Play

Dosimeters Slideshow Play