Posts Tagged ‘ Physics ’

H.E.S.S. II Telescope Starts Searching the Sky

The primary mirror of the H.E.S.S. II telescope in Namibia is the biggest in the world. Together with a few smaller telescopes it started to days ago to search the sky for high energy sources. These can be detected by gamma rays, that are for example produced by black holes or explosions of stars. A message sent by alien will most probable not be detected.

The goal of this huge experiment is to get a better understanding of the propagation of gamma rays and to learn how they are exactly produced. This is a very important task in science because most of the knowledge we have about the universe we got from hot objects like stars. But gamma rays have such a high energy that they can not be produced by such hot objects. Thus they carry information about the cold (non-thermal) universe from which we now very little.

So let’s hope, that H.E.S.S. II will be a success kid! 😉

The “Cup of Coffee” Problem

Scientific Research. The advancement of human knowledge. What is happening there? Well, for example two scientist from the University of California just published a paper about the problem that occur when you are walking with a cup of coffee: Coffee might spill out!

For an experimental study they asked two groups of people to carry a cup of coffee. The people of the first group concentrated on the cup, the second did not. The amazing result was, that the people of the first group had less trouble carrying the cup.

They also made studies on the oscillations in the coffee that come from the movement of the person who is walking with the cup. Those coffee waves might spill out of the cup if there is a small distortion. Because of an unsteady movement or because of stumbling. Also you should at least have a gap  of about 1 cm between the coffee and the top of the cup.

So what we learn from this paper is: be careful if you are walking with a cup of coffee, don’t put to much coffee in your cup. Or at best: Put your coffee machine in your office!

Reference: H.C. Mayer and R. Krechetnikov, Phys. Rev. E 85, 046117 (2012)

Not bad! Combing Science and Memes

This blog is an experiment. An experiment in scientific journalism.

The idea is to present recent results of scientific research with the aid of popular internet memes. Every week there will be at least one new article.

So let’s see if it’s possible to combine internet culture and scientific research.