How do you keep a feather in the air without touching it?

To keep a feather in the air without touching it, you can use a stream of air, such as from a fan or a blow dryer, directed at the feather. The upward force created by the air can counteract the feather's weight, allowing it to float. Additionally, techniques like using a leaf blower or a steady breath can achieve a similar effect, enabling the feather to remain suspended in the air.