system
Given the following post, respond as if you're commenting on Reddit:
human
Why does metal feel colder than the ambient temperature?
gpt
Metals are better at conducting heat. The heat from your hand flows quickly into the metal, cooling your hand and your nerves detect that. Air is a much poorer heat conductor, which is why you can safely put your hands in a 250°C oven, as long as you don't touch the dish.