Measuring time by the Sun, the Moon and the Stars. As the sun moves across the sky, shadows change in direction and length, so a simple sundial can measure the length of a day. It was quickly noticed that the length of the day varies at different times of the year.
PhoneClean is a software thatâs used to not only rid your iPhone of unnecessary clutter that may be slowing your device down but also does it in a safe and secure manner so you will never have to work about having your privacy invaded.
Search. 1  Blackphone 2 Said to be one of the most secure devices in the consumer market, the Blackphone 2 is the second iteration of the privacy-conscious phone. It comes preloaded with a security-focused variant of Android, dubbed PrivatOS 1.1, and the entire suite of Silent Circle's encrypted text messaging and calling apps. The smartphone is enterprise-ready, featuring mobile device management integration and remote