Forces and Movement
Robinson, Richard.
Forces and Movement - Laguna Hills, CA QEB Publishing 2007 - 32p.: col. photos
Without friction, a billiards game would last forever. Scientists have created motors so small that 300 of them could fit onto a period. In a spacecraft, a candle would burn with a ball-shaped flame.
Elementary
978-1-59566-361-0 Fall 2007 Broad Reach $18.14
Forces and Movement - Laguna Hills, CA QEB Publishing 2007 - 32p.: col. photos
Without friction, a billiards game would last forever. Scientists have created motors so small that 300 of them could fit onto a period. In a spacecraft, a candle would burn with a ball-shaped flame.
Elementary
978-1-59566-361-0 Fall 2007 Broad Reach $18.14