Less than infinite: Space is becoming an orbital landfill
It's mind-boggling to think about anything in terms of infinity.
It's mind-boggling to think about anything in terms of infinity.
Space Exploration
Feb 25, 2020
2
139
Last month, SpaceX became the operator of the world's largest active satellite constellation. As of the end of January, the company had 242 satellites orbiting the planet with plans to launch 42,000 over the next decade. ...
Space Exploration
Feb 12, 2020
0
30
A special issue of the journal Biological Invasions, co-edited by University of Rhode Island ecologist Laura Meyerson and University of Tennessee biologist Daniel Simberloff, provides a pathway to strengthening national policies ...
Ecology
Jan 24, 2020
0
8
Large swarms of desert locusts are spreading through Kenya, after wreaking havoc in Somalia and Ethiopia, posing a significant threat to food security, the agriculture minister said Friday.
Ecology
Jan 10, 2020
1
75
Scientific experts warned Congress more than a decade ago that just four teaspoons of radioactive cesium-137—if spread by a terrorist's "dirty bomb"—could contaminate up to 10 square miles of Manhattan.
Environment
Jan 2, 2020
4
27
When it comes to car and truck engines, not much has changed since Nikolaus Otto invented the modern internal combustion engine in 1876. But the internal combustion engine could, at least theoretically, be in for a big change.
Plasma Physics
Dec 19, 2019
0
4
The plutonium core for the first atomic weapon detonated in 1945 was taken from Los Alamos National Laboratory to a test site in the New Mexico desert in the backseat of a U.S. Army sedan.
Environment
Oct 14, 2019
2
13
The American public ranks scientists as some of the most trusted voices in the country. So it made sense for eminent climate scientists, such as James Hansen, Michael Mann, and Peter Kalmus, to sound the alarm about climate ...
Environment
Aug 21, 2019
3
8
How could a small internet service provider (ISP) in Pennsylvania cause millions of websites worldwide to go offline? That's what happened on June 24, 2019 when users across the world were left unable to access a large fraction ...
Internet
Jul 18, 2019
1
26
Satellite technology has been a boon for humanity, leading to faster, clearer communications, quicker emergency responses, accurate location information, and global financial transactions. Smart devices are almost always ...
Telecom
Jul 12, 2019
0
1