Of the moon, we always see a hemisphere and a little more because its rotation is synchronous and blocked by the tide. This means that one lunar rotation on its axis corresponds to the time of revolution around Earth, equal to 29.5 days. On a daily basis, the moon appears to move eastw...
General relativity is a physical theory about space and time and it has a beautiful mathematical description. According to general relativity, the spacetime is a 4-dimensional object that has to obey an equation, called the Einstein equation, which explains how the matter curves the spacetime. Wh...
032 Why biofabrication is the next industrial revolution Suzanne Lee 12:21 031 Climate change will displace millions. Here's how we prepare Colette Pichon 12:48 030 A swarm of mini drones makes magic! Marco Tempest 03:21 029 What a digital government looks like Anna Piperal 13:54 ...
The 2025 BAFTA Awards proved that bold jewelry trends are here to stay. Timeless diamond designs dominated, archival pieces from legendary jewelry houses made a triumphant return, and men’s brooches became the ultimate red carpet flex. And let’s not forget emeralds—this rich green gem is sh...
P: That’s the word for Old English. The Norman Conquest in 1066 brought the French language to Britain and helped English evolve into the English it is today.I: Is there anything else particularly difficult about English?P: Well, the idioms in informal English pose a problem for some ...