Artistic illustration of a neutron star magnetar. Credits: ESO/L. Calçada, CC BY–SA 4.0, via Wikimedia Commons. THE fast radio burst (FRB) or fast radio bursts are very short pulses of radio waves coming from deep space which generally last a few milliseconds. For a long time, theirs physical origin it …
The concept of circular and linear time: in some cultures events do not proceed “forward”
The circular time (or cyclical) is a view that events proceed according to eternal and infinite cycles. A mechanism different from the linear one. We are used to think of time as a line. Behind us is the past, in front of us the future: the years advance, people “move …
Lake Abraham in Canada, where columns of methane bubbles trapped in the ice form
Every winter in Canada, the country with the most lakes in the world, a very suggestive natural phenomenon occurs: in Abraham Lake, artificial body of water formed by the North Sasktchewan River, located in the province of Alberta, in the Rocky Mountains, in fact particular columns of frozen bubbles. In …
