Latest Donald McEwen Stories
By Kathleen Fackelmann Donald McEwen was driving on I-480 when he saw an ad on the back of a bus recruiting people for a study on diabetes. He picked up his cellphone almost immediately. "I was scared to death," he says now about the pain, fatigue and vision problems caused by his diabetes.
- 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.