Tempo suficiente para amar

Tempo suficiente para amar

Time Enough for Love, (tempo suficiente para amar) é um clássico de ficção cientifica da autoria de Robert Heinlein, publicado pela primeira vez em 1973. Nele Lazarus Long conta a sua história de mais de dois milénios. Ambos ensinávamos escola, dentro e fora de casa. Talvez os nossos miúdos tenham tido uma educação estranha… mas uma rapariga […]
Time Enough for Love

Time Enough for Love

Time Enough for Love is one of several books Robert Heinlein wrote for his character Lazarus Long. In it Lazarus counts his long history to a group of people who are at least as interesting in his recovery as they are in his history. Born in 1916 Lazarus Long just didn’t outlived time, but his story goes […]

Energy and sleep

Some days I have the feeling that sleeping is essential to keep productive. Other days the fun of keeping working on something takes all the need for sleep away. It’s not only how much we sleep that matters, it seems, but also what is keeping us from sleeping.
the Unsuspecting Mage

the Unsuspecting Mage

The Unsuspecting Mage is the first of seven volumes that constitute the Morcyth Sage written by Brian S. Pratt. The book follows the adventures of a guy who likes Role Playing games, just finished high school and on what he expects to be a job interview is sent to a different reality where he become a mage. […]

Robert Heinlein

Robert Heinlein is one of the authors I had the fortune of getting to know since an early age. I grow up in a very small village – the first library I had access to was the shelf full of books from my primary school – maybe about an hundred books for an very young […]

What if 3D printing was 100x faster?

Joseph DeSimone introduces a new method of 3D printing that is not only up to 100x faster than traditional 3D printing, but also don’t have most of the problems of the current 3D printing technology – the printed objects are not layered like with traditional printing and they can be printed with a wider variety of materials.

Will our kids be a different species?

In this TED Talk, Juan Enriquez talks about the evolution of the human species, and asks if our children will be of a different specie.
Welcome to Hell

Welcome to Hell

“Any given Saturday” (Um sábado qualquer) is a Brazilian comic from Carlos Ruas about gods – lots of them, from the Christian God and his son to the Nordic, Egyptian and the African and traditional Brazilian gods – they all show up now and then. This one strip is about hell… the conversation goes like this: […]

Bancos – Roubo institucionalizado

Um destes dias ao fazer um par de transferências interbancárias através do sistema de HomeBanking do banco onde tenho conta em Portugal, reparei que me era cobrado uma “taxa” – 1,75 Euros quando a transferência é feita imediatamente, e 1 Euro se a transferência for pré-agendada, parte de uma transferência regular (como um pagamento mensal, que se […]
Attitude Transplants

Attitude Transplants

Just like mine… in my case I even had the excuse that in Portuguese (my native language) the expression for Homework, when translated back to english mean “Work of Home” or “Work for Home” – my home never learned how to do the homework, doesn’t matter how much I insisted.

The Dream work

One of the things that keeps surprising me is the lack of dreams. I understand quite well those who don’t do anything or that don’t manage to finish much – I’m planing on buying one of those T-Shirts that say “I put the Pro in procrastinator” – After I start writing this story I did replace […]

Dear authors

Dear authors, I love to read. And the space in my shelves is more than gone. I know that a lot of you are already being published in digital formats, but If that is limited to the big publishers who use DRM, don’t count me as a client. But in general I’m more than willing […]

Dear authors

Dear authors, I love to read. And the space in my shelves is more than gone. I know that a lot of you are already being published in digital formats, but If that is limited to the big publishers who use DRM, don’t count me as a client. But in general I’m more than willing […]

Artscribing

We just created a new word at coffee today: Artscribing – artscribing is the art of creating meaning for and/or describing pieces of art, specially for abstract modern pieces that don’t have any apparent visual resemblance with pre-existing things. In a less formal way, what it really means is taking some meaning or description for a piece of […]

Artscribing

We just created a new word at coffee today: Artscribing – artscribing is the art of creating meaning for and/or describing pieces of art, specially for abstract modern pieces that don’t have any apparent visual resemblance with pre-existing things.

Flaws

Once you’ve accepted your flaws, no one can use them against you. Tyrion Lannister Just found it and thought that it was worth keeping somewhere!

Flaws

Once you’ve accepted your flaws, no one can use them against you. Tyrion Lannister Just found it and thought that it was worth keeping somewhere!

Streaming Average

Just because I keep forgetting it and having to find out all the math manually again! my $avg = 0; my $cnt = 0; for my $row (@rows) { if ($cnt) { $avg += (($row->{value} - $avg)/($cnt+$row->{cnt}))*$row->{cnt}; $cnt += $row->{cnt}; } else { $cnt = $row->{cnt}; $avg = $row->{value}; } } The two main reasons to […]

Streaming Average

Just because I keep forgetting it and having to find out all the math manually again! my $avg = 0; my $cnt = 0; for my $row (@rows) { if ($cnt) { $avg += (($row->{value} - $avg)/($cnt+$row->{cnt}))*$row->{cnt}; $cnt += $row->{cnt}; } else { $cnt = $row->{cnt}; $avg = $row->{value}; } } The two main reasons to […]

Serial Average

Just because I keep forgetting it and having to find out all the math manually again! my $avg = 0; my $cnt = 0; for my $row (@rows) { if ($cnt) { $avg += (($row->{value} - $avg)/$cnt)*$row->{cnt}; $cnt += $row->{cnt}; } else { $cnt = $row->{cnt}; $avg = $row->{value}; } }

Beal’s Conjuncture

One of this days I come across the Bael’s conjuncture and the Bael’s Prize. The conjecture is a generalization of Fermat’s Last Theorem, that states: If , where and are positive integers with , then and have a common prime factor. This is still a conjecture, meaning that it was not proved or disproved. And […]

Beal’s Conjuncture

One of this days I come across the Bael’s conjuncture and the Bael’s Prize. The conjecture is a generalization of Fermat’s Last Theorem, that states: If , where and are positive integers with , then and have a common prime factor. This is still a conjecture, meaning that it was not proved or disproved. And […]

AeroMobil 3.0

Aeromobil 3.0 is a flying car. It can fly at 200 Km/h, and have a flying range of 700 Km, with an announced fuel consumption of 15 l/h (while flying the speed can range between 60 km/h and 200+km/h). This flying car is the core product of the Slovakian company AeroMobil.

AeroMobil 3.0

Aeromobil 3.0 is a flying car. It can fly at 200 Km/h, and have a flying range of 700 Km, with an announced fuel consumption of 15 l/h (while flying the speed can range between 60 km/h and 200+km/h). This flying car is the core product of the Slovakian company AeroMobil.

Pop rocks banned Commercial

Pop rocks banned Commercial

Whatever team you play for…

This is the first commercial broadcast during the Olympic games this year.

Whatever team you play for…

This is the first commercial broadcast during the Olympic games this year.

My blogs

Today I was once again upgrading all the software I use for my blogs. Lately I spend a lot more time upgrading the software than writing posts. It doesn’t take too much time as I automated most of the process, except that I still need to download and push to my own git repositories the latest […]

My blogs

Today I was once again upgrading all the software I use for my blogs. Lately I spend a lot more time upgrading the software than writing posts. It doesn’t take too much time as I automated most of the process, except that I still need to download and push to my own git repositories the latest […]
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