Atmospheric
Optics

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   Algal Optics

   Frost

   Breaking the Ice - Interference in fissures

   Petal Caustics

   Church Window Patterns

   Fern frost on car bodywork

   Beijing Fern Frost

   Finland Snowflakes

   Snowflakes

   Birefringence in pond ice

   Rime

   Window Frost

   Sirius

   Crossed polarisers and frost

   Fern Frost

   Snowflake Symmetry

   Ice Colours

    Two for One

    Not the Earth from Space

    Algal Optics

    Ice Colours

    Kitchen Optics

    Cloud Colours

    Pennsylvania Hole Punches

    Sunset Virga

    'Bursting' Mammatus

    Monster Lenticular

    Reflection Caustics

    Glaciating Altocumulus

    Hole Punch Cloud & Halo

    Virga/Fall Streaks

    Snow Crystals

    Birefringence & Airplane Windows

    Art & Optics

   Teatime Optics

    Hoar Frost Crystals

    Chromatic Glitter

    Venus Corona

    Sublime Iridescence

    Corrugated shadows

    Why Pink?

    Halos in a bottle

    Over the horizon mountains + green flash

    Kasotochi

    Wine Glass Caustics

    Caustics

     Martian Opposition Glow

    Rainbow Making Machine