---
title: "Confirmed: New Phase of Matter is Solid and Liquid at the Same Time"
description: "Solid, liquid, and gas are not the only phases of matter. There are several other varieties that exist under extremes of temperature or pressure. An AI simulation has recently added to these:   potassium atoms can exhibit properties of both a solid and a liquid at the same time."
---

[Fluid Systems Engineering & Management Blog | Swagelok NorCal ](https://northerncal.swagelok.com/blog)

# [Confirmed: New Phase of Matter is Solid and Liquid at the Same Time](https://northerncal.swagelok.com/blog/confirmed-new-phase-of-matter-is-solid-and-liquid-at-the-same-time)

 Written by [Jeff Hopkins](https://northerncal.swagelok.com/blog/author/jeff-hopkins) | 6/25/19 4:00 PM

Solid, liquid, and gas are not the only phases of matter. There are several other varieties that exist under extremes of temperature or pressure. An AI simulation has recently added to these:   **potassium atoms can exhibit properties of both a solid and a liquid** at the same time.

[Read the full article on *National Geographic *→](https://www.nationalgeographic.com/science/2019/04/new-phase-matter-confirmed-solid-and-liquid-same-time-potassium-physics/)

[View full post](https://northerncal.swagelok.com/blog/confirmed-new-phase-of-matter-is-solid-and-liquid-at-the-same-time)

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