New method uses no freezing technology or refrigeration equipment—just water and a vacuum.
Physicists at the University of Amsterdam came up with a really cool bit of Christmas decor: a miniature 3D-printed Christmas tree, a mere 8 centimeters tall, made of ice, without any refrigeration equipment or other freezing technology, and at minim… [2791 chars]
Source: Ars Technica | Published: 2025-12-17T22:46:21Z
Credit: Ars Technica
