Total solar eclipse over the Marshall Islands in 2009. Picture by Vojtech Rusin. A solar eclipse happens when, as seen from the Earth, the Moon passes in front of the Sun and thus blocking it… Read More »Total Solar Eclipse – Sci-advent – Day 7
Grrrreat!
Mathematical theorem network built from Walter Rudin’s Principles of Mathematical Analysis. Scientific knowledge is built by building up on hypotheses and theories, repeatedly check them against observations of the natural world and continue to… Read More »Mathematical Theorems – Sci-advent – Day 6
The Large Hadron Collider (LHC) is the world’s largest and highest-energy particle accelerator. It was built by the European Organization for Nuclear Research (CERN). It has become a prominent facility due to the work that is being carried there to prove… Read More »Large Hadron Collider – Sci-advent – Day 5
A thousand feet (304 meter) underground, the Cave of Crystals (pictures) is just one of a series of glittering caverns beneath the Desert in the Mexican state of Chihuahua near Naica (map). Much of the complex would… Read More »The Cave of Crystals – Sci-Advent – Day 4
In 1849, British inventor Charles Babbage completed designs for a difference engine, a very early mechanical computer. Due to cost and complexity the machine was never built in his lifetime and for 150 years nobody knew… Read More »The Babbage Difference Engine – Sci-Advent – Day 3
The image shows the flow of hot air passing through the piping in a cooler for a new engine that is able to lower the temperature of the air lower than -140C in just… Read More »Skylon – Sci-advent – Day 2
In the tradition of Advent Calendars, I will be posting some science related entries from today up until Dec 24th… So, here’s the first entry: Panoramic View From ‘Rocknest’ Position of Curiosity Mars Rover… Read More »Rocknest – Sci-advent – Day 1
A couple of weeks ago I was talking about logarithms and their use. They may seem to be a bit esoteric and they can cause a bit of head-scratching: a logarithm (base ) of a… Read More »Working with logarithms base 10, 2 and e…