Refraction of light. Metallurgy. Pencil in a glass cup filled with water appears twisted. Lens effect and change of angle of light. Bending light rays, pen. Physics experiment. Illustration Vector Stock Vector
Broken Pencil Science Experiment - Refraction of Light in Water
Light Refraction Experiments for Elementary & Middle School Kids
Bending of light | Laser bending demonstration | Science Experiment video - YouTube
Bending light stronger than ever before by accelerating electrons | Ars Technica