Not Always There

Riddle: I surround you but I'm not clothes. I am everywhere but I don't take up space. I'm not always here, yet you can use a man-made form of me. I can go through glass but the glass will look just the same. What am I?

Answer: Light.

Source: https://www.riddles.com/index.php/9433

I surround you but I'm not clothes. I am everywhere but I don't take up space. I'm not always here, yet you can use a man-made form of me. I can go through glass but the glass will look just the same. What am I? — Not always there by RiddleGirl9 v1.

Riddle: I surround you but I'm not clothes. I am everywhere but I don't take up space. I'm not always here, yet you can use a man-made form of me. I can go through glass but the glass will look just the same. What am I? Answer: Light. — by RiddleGirl9 v2.