Around the year 1490 Leonardo da Vinci drew this helicopter in one of his notebooks, which he called “Aerial Screw”. Why did he give it that name? He believed that the rotor of his machine […]
Category: Science
Ultima Thule 3D (3D viewer and downloadable model)
Artistic representation of Ultima Thule 3D, based on the images provided by NASA. Ultima Thule is the furthest object from Earth that we have explored. It is in the Kuiper belt. Its current position is […]
What is 8D audio? Origin, examples of 8D and the technology to create it
Everyone talks about it, but what is 8D audio? It is the audio that when we listen to it with normal stereo headphones, gives us the impression of coming from different directions (including up and […]
Birds are descendants of dinosaurs
The current scientific consensus is birds are descendants of dinosaurs. If we speak more accurately, they are a group of theropod dinosaurs originated during the Mesozoic Era. A close relationship between birds and dinosaurs was first […]
We are stardust. What does this quote mean?
Some people say we are stardust because our bodies are made up of atoms that come from old stars that exploded long ago. The process of formation of complex atoms After the Big Bang, there […]