One firebolt after another illuminates a stilt-house settlement where the Catatumbo river flows into Venezuela's Lake Maracaibo, the lightning capital of the world.
Environment
Sep 23, 2021
0
9
To humor mathematicians, picture a pile of sand grains – say, a billion – in one square of a vast sheet of graph paper. If four or more grains occupy a single square, that square topples by sending one grain to each of ...
Mathematics
Mar 11, 2015
3
168
A team of astronomers from The University of Manchester, together with collaborators from the Centro de Astrobiología and the Deep Space Network, Spain and the Universidad Nacional Autónoma de México, have detected a rare ...
Astronomy
May 13, 2016
3
296
How do you prove something? What even is proof?
Mathematics
Jun 21, 2019
3
3
Drop a marble and a cannon ball off the Leaning Tower of Pisa at the same time and they will hit the ground at the same time. That fact is explained by Albert Einstein's theory of gravity—general relativity—which predicts ...
Astronomy
Jul 4, 2018
22
1239
Archaeologists from the universities of Leicester and Southampton have found a striking and apparently unique square monument beneath the world-famous Avebury stone circle in Wiltshire.
Archaeology
Jun 30, 2017
0
943
An international team of astronomers studying more than 200 000 galaxies has measured the energy generated within a large portion of space more precisely than ever before. This represents the most comprehensive assessment ...
Astronomy
Aug 10, 2015
85
5544
A radio telescope in outback Western Australia has completed the deepest and broadest search at low frequencies for alien technologies, scanning a patch of sky known to include at least 10 million stars.
Astronomy
Sep 8, 2020
14
1716
Hackers have shown how to turn mobile payment service Square into a convenient tool for criminals to pump cash from stolen credit card numbers.
Internet
Aug 5, 2011
2
0
When black holes and other enormously massive, dense objects whirl around one another, they send out ripples in space and time called gravitational waves. These waves are one of the few ways we have to study the enigmatic ...
Astronomy
Jul 1, 2023
0
117
