Why & How do I see this heart-shaped cardioid formed in my cup?, by Shouryaveer Mehta, The Startup

Ok, first of all if you don’t know what I’m talking about, I’m talking about this shape in a cup of tea/coffee (or even water). I first got curious about this weird shape appearing in my cup a few…

geometry - Why intersection of chords form a cardioid? - Mathematics Stack Exchange

Cardioids as envelopes (The cardioid in your coffee cup, part 2)

Story of Cardioid.

Optics: Why does a heart shape sometimes form in a coffee mug? - Quora

Why & How do I see this heart-shaped cardioid formed in my cup?, by Shouryaveer Mehta, The Startup

All stories published by The Startup on February 06, 2020 – Medium

calculus - Cardioid in coffee mug? - Mathematics Stack Exchange

geometry - Why intersection of chords form a cardioid? - Mathematics Stack Exchange

Representing the Heart Shape Precisely

heart shaped curve –

How to graph the shape of a heart on a graphing calculator using multiple equations and on what type of calculators can you do this - Quora

Optics: Why does a heart shape sometimes form in a coffee mug? - Quora

Optics: Why does a heart shape sometimes form in a coffee mug? - Quora

Heart Curve -- from Wolfram MathWorld

I Heart Cardioids – David Richeson: Division by Zero

Insulated Coffee Mug with Handle - Wine-Glass Shape Thermal Tumbler with Sliding Lid for Splash-Proof -16 oz

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A cup-shaped nest (upper figure) and a bowl-shaped nest (lower figure)