A mysterious interstellar radio signal has been blinking on and off every 22 minutes for more than 30 years
Last year, we made an intriguing discovery—a radio signal in space that switched on and off every 18 minutes.
Last year, we made an intriguing discovery—a radio signal in space that switched on and off every 18 minutes.
Astronomy
Jul 23, 2023
3
171
Giant bird-eating centipedes may sound like something out of a science-fiction film—but they're not. On tiny Phillip Island, part of the South Pacific's Norfolk Island group, the Phillip Island centipede (Cormocephalus ...
Plants & Animals
Aug 4, 2021
0
1017
The semiconducting silicon chip launched the revolution of electronics and computerisation that has made life in the opening years of the 21st century scarcely recognisable from the start of the last. Silicon integrated circuits ...
Electronics & Semiconductors
Aug 27, 2015
0
116
The most massive galaxies in our neighbourhood formed their stars billions of years ago, early in the history of the universe. At the present day, they produce very few new stars. Astronomers have long believed that is because ...
Astronomy
Jan 19, 2018
26
30
There's a strange trend in mathematics education in England. Math is the most popular subject at A-level since overtaking English in 2014. It's taken by around 85,000 and 90,000 students a year.
Mathematics
May 5, 2024
1
100
Members of a small women's rights group, Liverpool ReSisters, have declared that "women don't have penises." They seem to be very confident of this point, having gone as far as to paste stickers claiming as much onto the ...
Social Sciences
Aug 28, 2018
4
16
It has the potential to ruin relationships, reputations and our online reality. "Deepfake" artificial intelligence technology promises to create doctored videos so realistic that they're almost impossible to tell from the ...
Internet
Feb 6, 2019
4
32
The Silk Road trial has concluded, with Ross Ulbricht found guilty of running the anonymous online marketplace for illegal goods. But questions remain over how the FBI found its way through Tor, the software that allows anonymous, ...
Internet
Feb 6, 2015
1
49
Consider the following two situations.
Other
Mar 13, 2015
1
75
Ask people to name the most famous historical woman of science and their answer will likely be: Madame Marie Curie. Push further and ask what she did, and they might say it was something related to radioactivity. (She actually ...
General Physics
Oct 11, 2017
0
3662