Posts

White Hat Secrets

What Is a Second Language L2? Who hasn’t growled because they couldn’t reach, or find, a service provider for a job at home or in the office? Sifting through directories or asking friends and colleagues for recommendations isn’t always the most efficient way to find and book a service provider. Help companies and individuals find and book the right service, in the right place, and at the right time online, with the Second marketplace solution. Sometime in the late 1940s, quartz crystal oscillator clocks with an operating frequency of ~100 kHz advanced to keep time with accuracy better than 1 part in 108 over an operating period of a day. It became apparent that a consensus of such clocks kept better time than the rotation of the Earth. Metrologists also knew that Earth's orbit around the Sun was much more stable than Earth's rotation. The hour had been defined by the ancient Egyptians as either 1/12 of daytime or 1/12 of nighttime, hence both varied with the seasons. Greek