Latest Army Research Laboratory Stories
Research out today from a multidisciplinary team headed by the University of Cincinnati examines parallels between e-Paper technology (the technology behind sunlight-readable devices like the Kindle) and biological organisms that change color.
Discovery of self-corrective healing process for polymer detailed this week in the journal Nature.
- A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.