The chance that ESA's Solar Orbiter spacecraft will encounter space debris during its upcoming Earth flyby is very, very low. However, the risk is not zero and is greater than any other flyby ESA has performed. That there ...
Space Exploration
Nov 29, 2021
0
205
Two companies, OneWeb and SpaceX, are racing to put fleets of thousands of communication satellites into orbit. In March, they had their first near miss. Avoidance maneuvers were successful, but how many more close calls ...
Space Exploration
May 12, 2021
2
19
In recent years, satellites have become smaller, cheaper, and easier to make with commercial off the shelf parts. Some even weigh as little as one gram. This means more people can afford to send them into orbit. Now, satellite ...
Space Exploration
Jan 28, 2021
2
202
Student-led teams aren't the only ones testing out novel electric propulsion techniques recently. Back in November, a company called Exotrail successfully tested a completely new kind of electric propulsion system in space—a ...
Astronomy
Jan 19, 2021
2
69
ESA is preparing to use machine learning to protect satellites from the very real and growing danger of space debris.
Space Exploration
Oct 23, 2019
0
22
Solving the growing problem of space debris will require everyone who flies rockets and satellites to adhere to sustainable practices, which doesn't always happen. Now there will be a way to recognise those who do.
Space Exploration
May 06, 2019
0
17
Pedestrians are constantly avoiding collisions with oncoming people. Meters in advance they unconsciously change their walkway to pass each other. Physicists at Eindhoven University of Technology in collaboration with American ...
General Physics
Dec 17, 2018
3
44
In the wake of car- and truck-based attacks around the world, most recently in New York City, cities are scrambling to protect busy pedestrian areas and popular events. It's extremely difficult to prevent vehicles from being ...
Other
Nov 03, 2017
0
6
Ultrawideband millimeter-wave radar devices are promising as high precision sensors to monitor environments where vision is hindered due to clouds and fog for applications including automobile collision avoidance systems. ...
Computer Sciences
Sep 27, 2017
0
2
EPFL researchers have shown that a simple camera can detect and track flying drones. Plus, the lightweight, energy-efficient and inexpensive technology could be installed directly on the drones themselves and enhance safety ...
Engineering
Aug 17, 2017
0
3
