THE errors found in the British tide-predicting machines referred to in the article were more serious than those described by Mr. Manner. The machines were of the curve-tracing type, and therefore ...

THE simplicity of the harmonic methods of analysis and prediction of tides is very fascinating, and the invention of the tide-predicting machine by Lord Kelvin almost ensured the success of the ...

How do you land 140,000 allied troops on an 5-mile long stretch of beach under heavy German bombardment? Very carefully. And to ensure the deployment of forces without stranding landing craft—while ...

Procter & Gamble’s Tide has entered the home appliance business… sort of. As part of a new push with the NFL to encourage cold-water washing, Tide has created only 10 units of the Tide Cold Washer, ...