The video discusses the diverse applications of lasers, including measuring astronomical distances, studying quantum particles, and various medical treatments such as laser eye surgery and cancer therapy. It highlights the significant advancements in medical laser technology, leading to more precise and effective treatments.

What is one of the uses of lasers in astronomy?

• To cook food in space

• To measure the distance of stars and planets

• To create artificial stars

• To communicate with aliens

In quantum mechanics, lasers are used to study:

• The speed of light

• The behavior of black holes

• The properties of particles on a very small scale

• The properties of large celestial bodies

Which of the following is a medical application of lasers?

• Laser eye surgery

• Laser cooking

• Laser painting

• Laser gardening

Which of the following is NOT a treatment involving lasers?

• Laser eye surgery

• Laser therapy for some types of cancer

• Laser hair removal

• Laser therapy for heart disease

What is one of the benefits of recent advancements in medical laser technology?

• Increased cost of treatments

• More precise and effective treatments

• Longer recovery times

• Reduced availability of treatments