Famous people that studied sciences IV

With the suggestions of our readers, we have added new famous people related with science:

Angela Merkel, the Chancellor of Germany and one of the most recognized woman of the planet, studied physics in the University of Leipzig. She obtained her PhD and worked in chemistry in the Central Institute for Physical Chemistry in Berlin. After this, she became a politician, you know.


Mad about polyhedra I

There are people in this world who do not know polyhedra yet.
But, on the other hand, there are people who someday know polyhedral and after this moment they will never let them go…


Counting numbers

I was a child when I had the question: till what number we can count?
Today I know that there is an infinite set of numbers but my question still remains with a little change: how many of the numbers have a name?


Mad about time II. Time travel to the past.

We live in a vertex of past and future time cones. We have seen the past and we know that we will see a part of the future. We even know that is possible to travel to the future but the question is: can we travel to the past?


Mad about time I. Time travel to the future

The concept of the time is something that is with us during all our life. We are born, we grow and we die… all the time with the time than seems to run in one direction with the same speed.
But, can it be possible to change its direction or to increase its speed? I mean. Can we travel to the past or to the future?


Waiting for something extraordinary…

Christmas came and also the days that passed too fast. Last year did not allow us to go to carol concerts, to visit belens neither to see the decorations or the theatre plays… this year was the same.
The city was crowded. Christmas time started since September with the commercial promotions in the stores full of Christmas products. TV was full of commercials as well. Everything to make you well among mobiles, computers, houses, insurances, trips… everything for Christmas happiness except the Christmas and the happiness.



Astronomical games III. The Sun and planetary skies

In two last entries, everything about solar system scales, sizes of the sun and the planets, distances from the planets to the sun and characteristics about their composition and their skies. However, how big is the sun in every planetary sky?