### 1. Why is the phrase "as blind as a bat" strange?
The phrase "as blind as a bat" is strange because, despite the common misconception, bats are not blind. They have good vision and use echolocation, which is a highly effective way of "seeing" their environment by using sound waves.
### 2. What can Daniel find out using sounds?
Using sounds, Daniel can determine the location, size, shape, and density of objects around him. This allows him to navigate his environment and perform various activities effectively.
### 3. What does Daniel do now?
Now, Daniel Kish travels around the world giving talks and teaching his echolocation techniques to other blind people. He helps them learn to enjoy activities such as traveling, dancing, carpentry, and cooking.
### 4. What does Daniel do in his free time?
In his free time, Daniel enjoys outdoor activities like hiking and cycling. These activities demonstrate his proficiency in using echolocation.