≪Chapter 1≫What is Ultrasound?
[ULTRASOUND HANDBOOK]
Natural Shape of Ultrasound
＜What really is ultrasound?＞
Learning Lessons From Living Things
＜Some animals use ultrasound effectively.＞
Emitting Ultrasound
＜How do we emit ultrasound?＞
Using Reflection
＜Sound has a property to reflect.＞
Using Vibration
＜The vibration of the air is a sound. Then, when we use the vibration directly, ...＞
＜What really is ultrasound?＞
Learning Lessons From Living Things
＜Some animals use ultrasound effectively.＞
Emitting Ultrasound
＜How do we emit ultrasound?＞
Using Reflection
＜Sound has a property to reflect.＞
Using Vibration
＜The vibration of the air is a sound. Then, when we use the vibration directly, ...＞
