Getting bangs is a commitment, as is chopping your hair off or dyeing it a new color. But if you want to change up your look without doing anything too drastic, layers are the way to go. Want to add ...

The study of hypersonic boundary layer transition and instability encompasses the complex processes by which a thin, near-wall flow region shifts from a smooth, laminar state to a highly chaotic, ...

Ice surfaces have a thin layer of water below its melting temperature of 0 degrees Celsius. Such premelting phenomenon is important for skating and snowflake growth. Similarly, liquid often ...