Is ground-based astronomy a space activity?
An article published on the European Southern Observatory blog on September 10 describes an effort to protect the night sky – a crucial resource for astronomy – by recasting astronomy as the dominant form of human space exploration and thus attempting to have its activities ‘protected’ by the Outer Space Treaty (OST) and other similar… Continue reading
The clocks that used atoms and black holes to stay in sync
You’re familiar with clocks. There’s probably one if you look up just a little, at the upper corner of your laptop or smartphone screen, showing you what time of day it is, allowing you to quickly grasp the number of daytime or nighttime hours, depending on your needs. There some other clocks that are less… Continue readingatomic clocks, caesium standard, caesium-133, Event Horizon Telescope, frequency comb, hydrogen maser, International Celestial Reference Frame, Kashima, Koganei, Medicine, microwave clocks, Milky Way, optical atomic clocks, quasars, radio telescopes, SI units, strontium clock, uncertainty, Very-Long Baseline Interferometry, VLBI, ytterbium clock
I’m a science editor and writer in India, interested in high-energy and condensed-matter physics, research misconduct, pseudoscience, science’s relationship with society, epic fantasy, open source/access/knowledge systems, H.R. Giger’s art, Goundamani’s comedy, Factorio, and most things that require a lot of time to get the hang of.