As I explored, the technique (if not the only) technique for building
smoke/steam/vapor is to apply media effect to a sphere. This creates a
cloud-like fume.

However, for example, the steam of coffee is made of distinguishable steam lines
in a light fog. See
https://c4.wallpaperflare.com/wallpaper/496/851/672/cup-coffee-steam-hot-wallpaper-preview.jpg

With the above-mentioned technique, we can only create something like
https://i.ytimg.com/vi/ZDbJCsTGYoA/hqdefault.jpg

Should I look for another approach or the media effects can create realistic
steam?

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