Boiling water with ice

Thermodynamics is a funny area of physics, where different physical quantities are profoundly connected. In this video we look at how reducing the pressure allows you to reduce the boiling point of water.  

The Universe in 10 Features: 10. Life The final feature for this series is Life. The Universe is such mind-boggling huge place that we are most definitely the best that random chances and selfish genes can produce. NASA defines life as a: “Self-sustaining...

Cecilia Payne-Gaposchkin: the woman who discovered what the Universe is made of.

In this vlog, I talk about Prof. Payne-Gaposchkin, one the most important astronomers of the 20th Century. Thanks to her we know that stars are not made by the same elements as the Earth, and that Hydrogen is the most abundant element in the Universe.

International Astronomy Day 2017 & Hubble at 27!

It's #International Astronomy Day and Hubble has turned 27 this month! Let's celebrate with some of its most breathtaking pictures!

Astroholic Vlog: Dyson Spheres

In this Astroholic Vlog I will be talking about Dyson Spheres. Dyson Spheres are hypothetical megastructures purposely built around stars to absorb most or all of the stellar electromagnetic output. The idea comes from science...

Some facts on Betelgeuse going supernova

Every few months, I see articles about Betelgeuse, the right shoulder in the constellation of Orion, ready to go supernova. The articles vary from the sensational to the apocalyptic and I can understand why it is a fascinating subject. A supernova in our galactic backyard.

The Seven Wonders of the Milky Way The Seven Wonders of the Milky Way are: The Sagittarius stream, a long, complex, structure made of stars that wrap in polar orbit around the Galaxy. It consists of tidally stripped stars from the Sagittarius Dwarf Elliptical Galaxy. The...

Astrology is nonsense I've received several questions about astrology and I thought that I could dedicate this vlog to explain why astrology is nonsense. Astrology is the belief that the apparent position of some astronomical objects in the...

The Universe in 10 Features: 5. Proto-galaxies

Another important feature in the history of Universe are the proto-galaxies. In the last 30 years we were able to observe only a few dozen of these proto or primeval galaxies, which mostly looked like shapeless blobs with an intense UV emission.