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Make DIY hydrophobic sand at home! It’s a science-meets-craft project that stays dry under water—budget-friendly, vibrant, and totally mesmerizing. Great for sensory bins and STEM fun! If you’ve ...

Discover how to build a simple electromagnetic motor and generator using everyday materials in this hands-on science experiment. Follow the detailed steps to assemble a motor with a plastic bottle cap ...

The first total solar eclipse of 2024 is in April and it will be the only solar eclipse this year that will have a path of totality stretching across the U.S. It’s been nicknamed “The Great North ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...