Italian Renaissance painter Caravaggio used revolutionary optical instruments to "photograph" his models more than 200 years before the invention of the camera, according to a researcher in Florence.
Other
Mar 10, 2009
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6
Early morning on Sunday, Sept. 24, the OSIRIS-REx spacecraft's sample capsule will come face-to-face with Earth's atmosphere for the first time since the mission's 2016 launch. On board are an estimated 8.8 ounces, or 250 ...
Space Exploration
Sep 11, 2023
0
2
No, you're not seeing double: This photo shows two images of a Jupiter-like planet that orbits the star AF Leporis. The planet has been imaged by two independent groups of astronomers using the SPHERE instrument on ESO's ...
Astronomy
Feb 22, 2023
0
17
Among the various optics-based tools used in diagnostics, diffuse optics (DO) is rapidly emerging as one of the most attractive technologies. The technique is based on analyzing how light is absorbed and scattered by biological ...
Optics & Photonics
Jun 15, 2022
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9
The Universidad Carlos III de Madrid's (UC3M) Displays and Photonic Applications Research Group has developed a measuring instrument that can be used to study the increase in temperature during volcanic eruptions. This research ...
Optics & Photonics
Oct 27, 2021
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33
A five-year quest to map the universe and unravel the mysteries of "dark energy" is beginning officially today, May 17, at Kitt Peak National Observatory near Tucson, Arizona. To complete its quest, the Dark Energy Spectroscopic ...
Astronomy
May 17, 2021
9
53
Italy's Mount Etna, Europe's most active volcano, has recently been on explosive form, with 17 eruptions in less than three months. Instruments onboard three different satellites orbiting Earth have acquired imagery of the ...
Earth Sciences
Apr 9, 2021
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19
Researchers took one of the densest parts of an Earth-orbiting satellite, placed it in a plasma wind tunnel then proceeded to melt it into vapour. Their goal was to better understand how satellites burn up during reentry, ...
Space Exploration
Jun 17, 2019
1
48
DESI, the Dark Energy Spectroscopic Instrument, will mobilize 5,000 swiveling robots – each one pointing a thin strand of fiber-optic cable – to gather the light from about 35 million galaxies.
Astronomy
Apr 15, 2019
1
146
Ever wonder why stars seem to twinkle? This effect is caused by variations in the density of our atmosphere that cause blurring in light coming from space. It's pretty for stargazing, but a challenge for space-to-ground communications.
Space Exploration
May 15, 2015
0
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