He studied the mystical arts of a holy sage and dedicated his life to helping people.

Spectroscopy is an important means of investigating the properties of matter.

This law is a sieve law, full of loopholes.

He is using great force for a small problem. It's exactly like the proverb, 'Using a cleaver to kill a chicken.'

We should always remember the power of Kannon in difficult times.

Kou Sennen is my best friend.

The photoelectric effect is a phenomenon where a material emits electrons after absorbing light.

Photochemistry is a branch of science that studies how chemical reactions proceed under the influence of light.

Koushirou is my best friend.

He said, 'Why use a cleaver to kill a chicken?' teaching me the importance of using the right tool for the job.