(Phys.org) —In today's wireless communication systems, the wireless signals are non-chaotic, meaning they have a well-defined period and frequency. Non-chaotic wireless signals are used in many applications, such as satellite ...
Metrological institutions around the world administer our time using atomic clocks based on the natural oscillations of atoms. These clocks, pivotal for applications like satellite navigation or data transfer, have recently ...
Quantum Physics
Aug 30, 2023
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406
Europe's Galileo satellite navigation system – already serving users globally – has now provided a historic service to the physics community worldwide, enabling the most accurate measurement ever made of how shifts in ...
General Physics
Dec 5, 2018
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2981
(PhysOrg.com) -- If a plan to build new 4G mobile phone base stations in the US goes ahead, engineers say GPS satellite navigation systems will be seriously jammed and huge areas of the country will become GPS dead zones.
You can put those maps away. The US Air Force has shot down fears that the space-based Global Positioning System (GPS) is going to crash.
Telecom
May 21, 2009
3
0
The movement between continental and oceanic plates at the bottom of the sea, so-called megathrust earthquakes, generates the strongest tremors and the most dangerous tsunamis. How and when they occur, however, has been poorly ...
Earth Sciences
Jun 7, 2023
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54
New research from the University of Washington shows that signals from the upper atmosphere could improve tsunami forecasting, and someday, help track ash plumes and other impacts after a volcanic eruption.
Earth Sciences
Dec 12, 2022
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66
Satellites face greater chances of collision with space debris as a result of reduced density in the upper atmosphere.
Earth Sciences
Oct 18, 2022
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77
While volcanic eruptions and earthquakes serve as immediate reminders that Earth's insides are anything but tranquil, there are also other, more elusive, dynamic processes happening deep down below the Earth. Using information ...
Planetary Sciences
May 24, 2022
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854
The Dead Sea is shrinking. There are many reasons for this: climate change is a contributing factor, as is human overuse of water as a resource. The sinking water level has a number of dangerous consequences. For example, ...
Environment
Jul 28, 2021
0
213
