When you click a link, your browser does not have to go all the way to the original server to bring you the page: many times it receives it from a server much closer to your home. That is the job of a...
For years, the password was the master key to our digital life. A set of letters, numbers and symbols that we had to memorize and change every few months. Today, more and more devices ask us for somet...
Blockchain: the chain of blocks that is changing how we trust the internet When we hear the word “blockchain”, most of us think of cryptocurrencies such as bitcoin. But this technology is ...
We all have a drawer at home full of devices we no longer use: a phone that ran out of battery, an orphan charger, a computer that no longer starts. Those objects are not just any rubbish: they are pa...
Do you remember that film where the protagonist puts on some glasses and suddenly sees information floating over the real world? Well, that scene is no longer science fiction. It is called augmented r...
When you log into your bank from your phone, make a purchase online or send a private photo, you do not think about what happens behind the scenes. But each of those actions is a small struggle agains...
You type a word, press enter and, in less than a second, thousands of results appear. It is such an everyday gesture that almost nobody stops to ask what has happened in between. The answer hides one ...
The steering wheel turns on its own. The driver’s hands — if they can be called that — rest on their lap while the car brakes at a traffic light, waits for a pedestrian and resumes driving witho...
There is a machine capable of creating a spare part, a toy, a medical prosthesis or even a home. It does not manufacture it: it “prints” it, adding material layer by layer until it takes s...
Every time you send a message, watch a video or make a video call, your data does not travel through the air or by satellite. It travels along the seabed. Behind almost all the internet you use there ...
Your mind, the new remote control Imagine moving your computer cursor without touching the mouse. Or writing a message just by thinking it. This is not science fiction: there are already people doing ...
When you open an app to check the weather or watch a video, you almost never think about where that data is processed. In most cases it travels to a huge data centre that may be thousands of kilometre...