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Only certain materials, such as iron, feel a magnetic force. Permanent magnets can come in lots of different shapes and sizes. Bar magnets and horseshoe magnets are two of the most common shapes ...
An assortment of objects made from magnetic shape-memory polymers. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing ...
A container of oil and water separated by a thin skin of magnetized particles has intrigued a team of chemical engineers by ...