Tag

Electromagnetic Spectrum

All articles tagged with #electromagnetic spectrum

technology1 year ago•4 min saved

"Engineers Pioneer 6G Wireless with Revolutionary RF Filter"

Penn Engineers have developed a revolutionary adjustable filter using yttrium iron garnet (YIG) that can prevent signal interference in higher-frequency bands, potentially enabling the next generation of wireless communications, including 6G. This new filter is significantly smaller and more power-efficient than previous models, making it suitable for mobile devices and capable of covering a broad frequency range from 3.4 GHz to 11.1 GHz.

via Tech Xplore|

#6g #electromagnetic-spectrum #filters

astronomy2 years ago•3 min saved

Ancient Radio Waves Break Distance Record, Puzzling Scientists

Astronomers have detected a fast radio burst (FRB) originating from a merger of galaxies dating back 8 billion years, making it the oldest-known instance of this phenomenon. The burst released an amount of energy equivalent to what the sun emits in three decades and was detected using the Australian SKA Pathfinder and the European Southern Observatory's Very Large Telescope. FRBs are short bursts of radio-frequency electromagnetic radiation that outshine most other sources of radio waves in the universe. The source of these bursts is believed to be hyper-magnetized neutron stars called magnetars, and studying them can help detect and measure the intergalactic plasma between galaxies.

via NDTV|

#astronomers #astronomy #electromagnetic-spectrum

science-and-astronomy2 years ago•5 min saved

China Plans Moon-Orbiting Telescope Array by 2026.

China plans to launch a constellation of satellites around the moon to create a radio telescope that would allow astronomers to study cosmic radiation in the electromagnetic spectrum below 30 MHz, which is impossible to study from Earth's surface. The proposed "Discovering Sky at the Longest Wavelength" project could orbit the moon as early as 2026 and would consist of one "mother" satellite and eight mini "daughter" craft. The moon's far side is the most radio-quiet place in the solar system and would provide an ideal environment for this kind of measurement.

via Space.com|

#china #dark-ages #electromagnetic-spectrum

astronomy2 years ago•3 min saved

"Discoveries in Space: Insights into Solar Radio Bursts and Mysterious Signals"

Researchers have discovered a solar radio burst with a signal pattern comparable to the Sun’s heartbeat. Solar flares are intense bursts of electromagnetic radiation generated in the layers of sparse, hot gas that comprise the Sun’s atmosphere. The recent discovery of “the Sun’s heartbeat” can help astronomers understand more about electromagnetism and how it affects activity in the universe and space weather in general. These events can affect technology on Earth because they can inhibit radio communications and GPS navigation.

via Now. Powered by Northrop Grumman.|

#astronomy #electromagnetic-spectrum #solar-flares

space2 years ago•7 min saved

The Process of Creating Hubble Space Telescope Images.

The Hubble Space Telescope uses two primary camera systems, the Advanced Camera for Surveys (ACS) and the Wide Field Camera 3 (WFC3), to observe the universe across a broad range of light wavelengths. Hubble's cameras can see the universe from the infrared region of the electromagnetic spectrum through visible light wavelengths all the way up to ultraviolet light. The telescope's ability to see in a wide range of wavelengths means that it is useful to a broad spectrum of researchers working to observe a massive cornucopia of cosmic objects and events. Hubble images are processed to remove imperfections and effects that don't come from the objects being observed by Hubble.

via Space.com|

#astronomy #electromagnetic-spectrum #hubble-space-telescope