A Casinha da Matemática Blog

0

Science in a Golden Age

Jim al-Khalili unravels the links between latest scientific developments and the unsung scientific heroes of the past
About Science in a Golden Age

From satellite-enabled GPS, to hi-tech medical procedures – much of today’s modern science has been developed and understood through the work of scientists and thinkers across the ages and from around the world.

While the names of Newton, Galileo and Copernicus are … Ler mais

0

When the Moors Ruled in Europe

Historian Bettany Hughes looks at the influence of the Moorish invasion of Spain in 711 AD, and the lasting cultural and scientific legacy they created

As part of the Channel 4’s Hidden Civilisation season exploring Islam’s rich and significant contribution to western art and culture, historian Bettany Hughes traces the story of the mysterious and misunderstood Moors, the Islamic society that ruled in Spain for 700 years, but whose legacy was virtually erased from Western history.

In 711 AD, a tribe of newly converted Muslims from North Africa crossed the straits of Gibraltar and invaded Spain. Known as The Moors, they went on to build … Ler mais

0

Aftershock: The Hunt for Gravitational Waves

Horizon travels to the South Pole to tell the inside story of the greatest scientific quest of our time

In March 2014, a team of astronomers stunned the scientific world when they announced that their BICEP2 telescope at the South Pole had possibly detected a signal of “gravitational waves” from the early universe. This is the inside story of the hunt for gravitational waves from the Ler mais

0

Light and Dark

Professor Jim Al-Khalili shows how by uncovering its secrets, scientists have used light to reveal the universe

In this mind-bending series, Professor Jim Al-Khalili shows how by uncovering its secrets, scientists have used light to reveal the universe.

Episode 1: Light

Two-part series in which Professor Jim Al-Khalili shows how, by uncovering its secrets, scientists have used light to reveal almost everything we know about the universe. But in the last 30 years we have discovered that far from seeing everything, we have seen virtually Ler mais

0

Math and the Rise of Civilization

A guided tour of the history of numbers and how they’ve shaped the development of humankind is at the heart of this unique series

A guided tour of the history of numbers and how they’ve shaped the development of humankind is at the heart of this unique series. In five episodes that take us across time and around the world, we see how mathematics played an important role in ancient Egypt and Greece, … Ler mais

0

Everything and Nothing

Professor Jim Al-Khalili explores the true size and shape of the universe and delves into the amazing science behind apparent nothingness

Two-part documentary which deals with two of the deepest questions there are – what is everything, and what is nothing?

Episode 1: Everything

In two epic, surreal and mind-expanding films, Professor Jim Al-Khalili searches for an answer to these questions as he explores the true size and shape of the universe and delves into the amazing science behind apparent nothingness.

The first part, Everything, sees Professor Al-Khalili set … Ler mais

0

The Secrets of Quantum Physics

Professor of physics Jim Al-Khalili investigates the most accurate and yet perplexing scientific theory ever - quantum physics

Episode 1:  Einstein’s Nightmare

Professor Jim Al-Khalili traces the story of arguably the most important, accurate and yet perplexing scientific theory ever – quantum physics.

The story starts at the beginning of the 20th century with scientists trying to Ler mais

2

Reid Gower – I am the Creator of The Sagan Series

I am Reid Gower

I’m the creator of the popular youtube series called The Sagan Series and The Feynman Series. You can find both on my youtube channel.

Over the past couple years I’ve been invited around the world to give talks on my motive for creating the series. I was even recently invited to NASA Marshall Space Flight Center where I gave a talk and was given a tour.

I also recently finished my contributions to The Sagan/Feynman Series, but I’m announcing

Ler mais
bnbnbnbnb 0

bnbnbnbnb

Video Customization Options

You can specify the width and height of the embedded video by adding &w=... or &w=...&h=...to the shortcode. It will automatically adapt to your theme’s content length and give you preferred dimensions.

You can disable related videos by appending &rel=0.

For example, this shortcode:

produces this video, which is wider than the default embed without custom width and height settings:

 

 … Ler mais

0

Hiparco e a distância à Lua

O incrível poder da matemática como uma ferramenta para modelar o nosso mundo
Parte 6 de 6 da série AF – CFAOA
Hiparco

Tal como acontece com a maioria dos cientistas do período helenístico, muito pouco se sabe sobre a vida de Hiparco (cerca de 190 a.C. – 120 a.C): apenas que ele nasceu em Niceia, na Bitínia, por volta do ano 180 a.C. e que realizou a maioria de suas observações astronómicas em Rodes, onde fundou um observatório, e em Alexandria, entre 161 e 127 a.C. (por isso, também é conhecido como … Ler mais

0

Aristarco de Samos: Sobre os tamanhos e distâncias entre o Sol e a Lua

O incrível poder da matemática como uma ferramenta para modelar o nosso mundo
Parte 5 de 6 da série AF – CFAOA
Aristarco de Samos

Aristarco de Samos, astrónomo e matemático grego que defendia que a Terra roda sobre o seu eixo e gira em torno do Sol, viveu entre 310 e 230 a.C. Foi o primeiro a formular a hipótese de Copérnico, que foi abandonada até o próprio Copérnico a ter estabelecido no séc. XVI, propondo que corpos menores circundariam corpos maiores e que seria a Terra que se moveria … Ler mais

1

Al-Biruni e a medida da circunferência da Terra

O incrível poder da matemática como uma ferramenta para modelar o nosso mundo
Parte 4 de 6 da série AF – CFAOA
Al-Biruni

Abu Arrayhan Muhammad ibn Ahmad al-Biruni, conhecido apenas como al-Biruni, nasceu no ano de 973 em Kath, atual Kara-Kalpakskaya, no Uzbequistão, e faleceu no ano de 1048 em Ghazna, atual Ghazni, no Afeganistão.

Ainda muito jovem, começou a estudar a Geometria de Euclides e a Astronomia de Ptolomeu, orientado pelo famoso astrónomo e matemático Abu Nasr Mansur. Estudou também obras de Teon de Esmirna, HomeroLer mais