Longitude methods As Newton and others rightly concluded, you can measure longitude by calculating the moon’s angle in relation to certain stars (the lunar distance method). You can also achieve the ...

It's easy to work out your longitude using a radio, watch and sundial, but as castaways on Capraia we had none of these. Even though we built a radio, we still needed some sort of timepiece, so we ...

On Oct. 21, 1915, human speech was for the first time converted into electromagnetic waves, crossing the Atlantic between stations in Arlington, Virginia and Paris, France. Two years earlier, in 1913, ...