An ellipse is a closed curve generated by a plane intersecting a conical shape. It has focal points and a focal property. Circles are a subset of ellipses. The polar equation is used to determine perihelion and aphelion in orbits. Johannes Kepler discovered elliptical orbits, and Isaac Newton detailed the law of universal gravitation. An […]

Punctuation, such as the ellipsis, can convey meaning beyond words. An ellipsis can indicate omitted text, a pause, or fading into silence. It can be represented by three dots, a dash, or asterisks. The reader must decipher its meaning as it can indicate different things. Ellipses are not limited to English and can be used […]