A Casinha da Matemática

A Álgebra é generosa; ela frequentemente dá mais do que aquilo que lhe é pedido. (D'Alembert)

Category: Vídeo

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Astronomia / Ciência e Tecnologia / Vídeo

Horizon: Is Everything We Know About The Universe Wrong?

Investigating the discovery of what is ominously being called 'dark flow', a phenomenon which could mean scientists might have to find a new way of understanding the universe

There’s something very odd going on in space – something that shouldn’t be possible. It is as though vast swathes of the universe are being hoovered up by a vast and unseen celestial vacuum cleaner.

Sasha Kashlinsky, the scientist who discovered the phenomenon, is understandably nervous: ‘It left us quite unsettled and jittery’ he says, ‘because this is not something we planned to find’. The accidental discovery of what is ominously being called ‘dark flow‘ not only … Ler mais

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Ciência e Tecnologia / Vídeo

Horizon: Inside the Social Network – Facebook’s Difficult Year

Following the teams inside Facebook, revealing a hidden technological playground. The film tackles difficult questions, like how our data is used, and also shows how Facebook works

Facebook is a company that has grown from nothing to be worth half a trillion dollars in just 15 years. Today nearly a third of all humans are using it, and yet we rarely get to see the people actually in charge of the biggest social network in the world.

The company has suffered a series of deepening scandals and intense media scrutiny. In 2018, their mission – to connect everyone on the planet – seemed to be going dramatically … Ler mais

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Ciência e Tecnologia / Vídeo

Horizon: Inside the Dark Web

With many concerned about internet surveillance, Horizon meets the hackers and scientists whose technology is fighting back

Twenty-five years after the world wide web was created, it is now caught in the greatest controversy of its existence – surveillance.

With many concerned that governments and corporations can monitor our every move, Horizon meets the hackers and scientists whose technology is fighting back. It is a controversial technology, and some law enforcement officers believe it is leading to risk-free crime on the dark web – a place where almost anything can be bought, from guns and drugs to … Ler mais

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Ciência e Tecnologia / Vídeo

The Science of Doctor Who (BBC America)

This is a completely different show to the UK version of "The Science of Doctor Who"

The Science of Doctor Who is a television documentary that aired on BBC America on 4 August 2012. A number of scientists and entertainment personalities were interviewed about how the technologies in Doctor Who may be practically applied in the real world. Each interviewee then ranks the plausibility of each on a scale of one to five TARDISes.

Topics covered

People interviewed

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Ciência e Tecnologia / Vídeo

The Science of Doctor Who

For one night only, Professor Brian Cox takes an audience of celebrity guests and members of the public on a journey into the wonderful universe of the Doctor

For one night only, Professor Brian Cox takes an audience of celebrity guests, including Charles Dance and Rufus Hound, and members of the public on a journey into the wonderful universe of the Doctor, from the lecture hall of the Royal Institution of Great Britain.

Drawing on the latest theories as well as 200 years of scientific discoveries and the genius of Einstein, Brian tries to answer the classic questions raised by the Doctor. Can you … Ler mais

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Divulgação / Vídeo

An Adventure in Space and Time

Dramatised account of how Doctor Who was brought to the screen in 1963 by a young producer frustrated by TV's glass ceiling and an actor unhappy with a career of hard-man roles

A special one-off drama that travels back to 1963 to see how Doctor Who was first brought to the screen. Actor William Hartnell felt trapped by a succession of hard-man roles. Wannabe producer Verity Lambert was frustrated by the TV industry’s glass ceiling. Both of them were to find unlikely hope and unexpected challenges in the form of a Saturday tea-time drama. Allied with a team of unusual but brilliant people, they went on to create the longest running science … Ler mais

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Ciência e Tecnologia / Vídeo

Marcus du Sautoy: Faster Than the Speed of Light?

Professor Marcus du Sautoy explores claims that scientists at CERN have detected particles which seem to travel faster than the speed of light

In September 2011, an international group of scientists has made an astonishing claim – they have detected particles that seemed to travel faster than the speed of light. It was a claim that contradicted more than a hundred years of scientific orthodoxy. Suddenly there was talk of all kinds of bizarre concepts, from time travel to parallel universes.

So what is going on? Has Einstein‘s famous theory of relativity finally met its match? Will we one day … Ler mais

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Astronomia / Ciência e Tecnologia / Vídeo

The Fabric of the Cosmos

Acclaimed physicist Brian Greene reveals a mind-boggling reality beneath the surface of our everyday world

“The Fabric of the Cosmos”, a four-hour series based on the book by renowned physicist and author Brian Greene, takes us to the frontiers of physics to see how scientists are piecing together the most complete picture yet of space, time, and the universe. With each step, audiences will discover that just beneath the surface of our everyday experience lies a world we’d hardly recognize — a startling world far stranger and more wondrous than anyone expected.

Brian Greene … Ler mais

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Ciência e Tecnologia / Vídeo / Astronomia

Origins

Journey back to the beginning of everything: the universe, Earth and life itself

Has the universe always existed? How did it become a place that could harbor life? What was the birth of our planet like? Are we alone, or are there alien worlds waiting to be discovered?

NOVA presents some startling new answers in “Origins,” a groundbreaking four-part NOVA miniseries hosted by dynamic astrophysicist Neil deGrasse Tyson, Director of the Hayden Planetarium at the American Museum of Natural History. Tyson leads viewers on a cosmic journey to the beginning of … Ler mais

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Ciência e Tecnologia / Vídeo / Astronomia

Cosmos: A Personal Voyage

Carl Sagan's classic 1980 documentary series covering a wide range of scientific subjects, including the origin of life and a perspective of our place in the universe

Cosmos: A Personal Voyage is a thirteen-part television series written by Carl Sagan, Ann Druyan, and Steven Soter, with Sagan as presenter. It was executive-produced by Adrian Malone, produced by David Kennard, Geoffrey Haines-Stiles, and Gregory Andorfer, and directed by the producers, David Oyster, Richard Wells, Tom Weidlinger, and others. It covers a wide range of scientific subjects, including the origin of life and a perspective of our place in the universe.

The series was first … Ler mais

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Astronomia / Ciência e Tecnologia / Vídeo

Horizon: How Big is the Universe?

This episode follows the cosmologists who are creating the most ambitious map in history - a map of everything in existence

It is one of the most baffling questions that scientists can ask: how big is the universe that we live in?

Horizon follows the cosmologists who are creating the most ambitious map in history, a map of everything in existence. And it is stranger than anyone had imagined, a universe without end that stretches far beyond what the eye can ever see.

And, if the latest research proves true, our universe may just be the start of something even bigger. … Ler mais

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Ciência e Tecnologia / Vídeo / Astronomia

Horizon: How Small Is the Universe?

Following the search for the smallest thing in the universe, a journey where things don't just become smaller - but also a whole lot weirder

Horizon plunges down the biggest rabbit-hole in history in search of the smallest thing in the universe.

It is a journey where things don’t just become smaller but also a whole lot weirder. Scientists hope to catch a glimpse of miniature black holes, multiple dimensions and even parallel universes. As they start to explore this wonderland, where nothing is quite what it seems, they may have to rewrite the fundamental laws of time and space.

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Astronomia / Ciência e Tecnologia / Vídeo

Einstein’s Universe

A documentary produced in 1979 to celebrate the centenary of the birth of Albert Einstein

Based on Nigel Calder’s book Einstein’s Universe, this fascinating and rare film going by the same title has been re-mastered and digitally enhanced to bring Einstein fans a priceless experience. Narrated by the charismatic Peter Ustinov and hosted by Nigel Calder, the film was first broadcast on the centenary of Albert Einstein’s Birth; March 14th, 1979. Ustinov takes the viewer on a wonderful experience through the McDonald Observatory at the University of Texas-Austin where he is thoroughly enlightened … Ler mais

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Ciência e Tecnologia / Vídeo

The Path to Nuclear Fission: The Story of Lise Meitner and Otto Hahn

A portrait of the life and times of two remarkable scientists and their extraordinary collaboration

The story of two close friends who discovered nuclear fission is told in great detail within the context of both World Wars. This video is as much about role of scientists in political events, social responsibility, and discrimination against women and Jews, as it is about the science, though the science is clearly explained. Archival film footage and photographs are extensively and effectively used throughout the production.
Most fascinating are the contrasting life choices made by these two scientists. They … Ler mais