Over 13 billion years ago, the first galaxies in the universe formed. They were elliptical, with intermediate black holes (IMBHs) at their centers surrounded by a halo of stars, gas, and dust. Over time, these galaxies evolved ...
Astronomy
Mar 14, 2023
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Visible light is just one part of the electromagnetic spectrum that astronomers use to study the universe. The James Webb Space Telescope was built to see infrared light, other space telescopes capture X-ray images, and observatories ...
Astronomy
Mar 3, 2023
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18
On the electromagnetic spectrum, which comprises everything from radio waves to X-rays and gamma rays, there exists a deadzone where conventional electronic devices can hardly operate. This deadzone is occupied by terahertz ...
Optics & Photonics
Dec 15, 2022
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4
The Canadian Hydrogen Intensity Mapping Experiment (CHIME) is expanding its ability to more accurately identify where fast radio bursts (FRBs) are coming from. The organization is constructing a new radio telescope outrigger ...
Astronomy
Mar 30, 2022
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19
Scientists have for the first time "unmixed" the black pigment that colors our skin and gives bananas their spots.
Analytical Chemistry
Dec 19, 2019
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6
Last September, a massive new region of magnetic field erupted on the Sun's surface next to an existing sunspot. The powerful collision of magnetic fields produced a series of potent solar flares, causing turbulent space ...
Space Exploration
May 24, 2018
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34
For wireless communication, we're all stuck on the same traffic-clogged highway—it's a section of the electromagnetic spectrum known as radio waves.
Nanophysics
Nov 1, 2016
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46
Cars that wirelessly talk to each other are finally ready for the road, creating the potential to dramatically reduce traffic deaths, improve the safety of self-driving cars and someday maybe even help solve traffic jams, ...
Hi Tech & Innovation
Aug 25, 2016
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8
The tungsten lightbulb has served well over the century or so since it was introduced, but its days are numbered now with the arrival of LED lighting, which consume a tenth of the power of incandescent bulbs and have a lifespan ...
Telecom
Sep 29, 2015
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88
Millimeter-wave (mmWave) wireless technology promises to support high-bandwidth content at speeds exceeding 10 gigabits per second—a thousand times today's current mobile phone download speeds—but with that promise comes ...
Telecom
Jun 11, 2015
0
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