How people love things: Ultrasonic wave: which energy, we could see?

2020年12月27日日曜日

Ultrasonic wave: which energy, we could see?

This is the radio and If you touch the antenna,

1. the radio sounds well.

2. the radio light flows well.

3. the 2nd reason is, we think, the antenna doesn't vibrate well.

4. you should think about the instrument of triangle.

Anyway, I'm in danger.

0 件のコメント:

コメントを投稿

登録: コメントの投稿 (Atom)