At some point during our primary school careers, most of us probably constructed a simple compass, often by floating a ...
COMPASSES at Greenwich Observatory in London will soon be pointing true north for the first time in 360 years. Most people don’t realise that compasses are often slightly wrong because the ‘true north ...
The Earth's magnetic field is changing at an increasing rate, throwing off airports and altering the aurora borealis -- and its effect on ordinary compasses could mean the difference between homeward ...
Dividers and compasses are drawing instruments that have been used since antiquity to measure distances, transfer lengths from one drawing to another, and draw circles. The Greek mathematician, Euclid ...