President Donald Trump cannot legally block Twitter users who disagree with him, a federal judge ruled Wednesday in a case with potentially far-reaching implications for social media use by public officials.
Internet
May 23, 2018
0
14
Researchers at Columbia Engineering have demonstrated, for the first time, a chip-based dual-comb spectrometer in the mid-infrared range, that requires no moving parts and can acquire spectra in less than 2 microseconds. ...
Optics & Photonics
May 23, 2018
0
228
Imagine a box you plug into the wall that cleans your toxic air and pays you cash.
Nanomaterials
May 23, 2018
1
2348
Understanding the microscopic structure of a material is key to understanding how it functions and its functional properties. Advances in fields like materials science have increasingly pushed abilities to determine these ...
Optics & Photonics
May 23, 2018
0
199
Ice cores offer a window into the history of Earth's climate. Layers of ice reveal past temperatures, and gases trapped in bubbles reveal past atmospheric composition. The oldest continuous ice core so far comes from Dome ...
Earth Sciences
May 23, 2018
0
123
Some of the boxes stacked inside anthropologist Molly Zuckerman's laboratory contain full bones—a skull, a jaw, or a leg. Others contain only plastic bags of bone fragments that Zuckerman describes as "grit."
Archaeology
May 23, 2018
0
62
The annual federal report on toxic material emissions from industrial sites across the country gains widespread media attention and serves as a reminder of the potential environmental impacts of industrial activities.
Environment
May 23, 2018
0
11
The atmosphere of Rosetta's comet 67P/Churyumov-Gerasimenko is far from homogeneous. In addition to sudden outbursts of gas and dust, daily recurring phenomena at sunrise can be observed. In these, evaporating gas and entrained ...
Space Exploration
May 23, 2018
48
244
Imagine only knowing 15 people in the world, and as you discover more people, your knowledge expands. Scientists studying our galaxy face something similar as they make discoveries that build our understanding of the universe.
Astronomy
May 23, 2018
0
36
Southwest Research Institute scientists integrated NASA's New Horizons discoveries with data from ESA's Rosetta mission to develop a new theory about how Pluto may have formed at the edge of our solar system.
Space Exploration
May 23, 2018
3
53
