Why & How do I see this heart-shaped cardioid formed in my cup

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…

Cardioids - Prairie Creek Makers

Multi-chamber cardioids unravel human heart development and

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

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

calculus - Cardioid in coffee mug? - Mathematics Stack Exchange

cardioid – Bean Thinking

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

cardioid – Bean Thinking

calculus - Cardioid in coffee mug? - Mathematics Stack Exchange

Shouryaveer Mehta on LinkedIn: #writing #publishing #science

Cardioid - Wikipedia

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

What is the equation that gives you a heart on the graph? - Quora

Valentine's Day Maths: What is the equation for a heart? - Maths

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