Sep 10, 2022 – Important note: after running the tests below, I found a list of eraser details on Jetpens, showing that the Kokuyo erasers are not phthalate-free.
Lightsaber” jet extracts energy from the first black hole imaged
There's a Supermassive Black Hole Jet Pointing Straight at Earth
Supermassive Black Hole A*: News: Supermassive Black Ink Round-up
Supermassive Black Hole A*: News: Some Jetpens.com erasers not
Supermassive black hole with torn-apart star (artist's impression
Kokuyo Mirikeshi Eraser - Black
Supermassive Black Holes May Be Lurking Everywhere in the Universe: Study
A supermassive black hole is spitting a high-energy jet toward
Pentel Ain Eraser - Black - Small - Pack of 2
Supermassive black hole
Supermassive Black Holes Shut Down Star Formation During Cosmic
Astronomers capture black hole gobbling up a star in a “hyper