On July 31 2013 a constellation of US defence satellites saw a streak of light over South Australia as a rock from…
Browsing: radar
Volvo’s done a lot to innovate motor vehicles. The seatbelt in its current form comes from the Swedish car maker.…
Within seconds after reaching a city, earthquakes can cause immense destruction: Houses crumble, high-rises turn to rubble, people and animals…
Time and frequency standards are a key part of technologies we have come to rely on in our daily lives, from GPS navigation and cellphone networks to the electrical power grid. The importance of these systems and the constant drive to improve their performance has led to the development of atomic clocks that keep time and measure frequency with incredible accuracy.