It was a period of perhaps ten seconds but no one present would remember it as anything less than five minutes.

Its light curve has a dominant period of 215.2 seconds, which is estimated to increase by approximately one second each 14 million years.

He shut his eyes several times for periods of five seconds so as to make them more sensitive to the darkness.

Although they did go out for a period of 10 seconds.

All stretches should be gradual and held for a period of 30 seconds before release.

Within one period of 12 seconds, trades were recorded at prices ranging from $14.30 to $15.70.

There are 18 explosions spread over a period of 4.7 seconds.

I would have to be on a planet with a rotational period of 59.00394 seconds.

These seismic signals usually have the period of 6 2 seconds.

During the full period of three and a half seconds conscious thought was uninvolved.