The economic productivity and technological capacity of humanity has not only been constantly growing for millennia, but is growing at a faster rate. To the point that the growth of technology is already exponential . Is it the same with economic growth? When we were still living in prehistoric times, for example, growth was so … Read more
On Monday, October 4, 1957, the Soviet Union put Sputnik into orbit: the first artificial satellite in history . It was a metallic sphere 50 centimeters in diameter and four antennas that emitted a "beep" (a 20 MHz signal) every few seconds. That "beep" was detectable from Earth. The news made the front page of … Read more
With the birth of agriculture , there was a surplus of food, because agriculture can feed ten to one hundred times more people per square kilometer than hunting and gathering. As there was more food, the population grew. Thanks to agriculture, we stopped being hunter-gatherers, and we were able to settle in villages, with more … Read more
The composition of Portland cement , the most widely used in the world, has been modified at the microscopic structure level by a team of researchers "not to make it transparent or translucent, but so that it could absorb UV rays" and, in this way, absorb ultraviolet radiation during the day and then glow at … Read more
15% of Sweden’s carbon dioxide emissions are from freight trucks. And, to make transport more sustainable, the eHighway , an electric highway, was born. In this way, heavy vehicles that circulate on this type of highway will be able to feed on the electricity network thanks to a catenary system , similar to that used … Read more
In a world where copying can be done at a very low cost or a marginal cost close to zero , the figure of intellectual usurpation loses meaning: if we offer the fire of our candle to light another candle, we do not lose the fire of our candle, but rather We have two burning … Read more
The pedaling parameters, the physical, nutritional and psychological data of each user, among others, are the factors that can now be taken into account in the manufacture of a personalized bicycle thanks to a new system developed by a team from the Department of Physical Education and Sports of the University of Granada. This degree … Read more
These days the legal and / or moral discussion of the limits of freedom of expression has long filled the slipstream of the hundreds of thousands of comments that, through Twitter, rejoiced at the death of the bullfighter Victor Barrio , using for this the finest irony, the thickest sarcasm, and a whole range of … Read more
Storing one kilobit (8,000 bits) representing each bit by the position of a single chlorine atom is now possible thanks to research by scientists at the Kavli Institute for Nanoscience at the University of Delft. This storage capacity is so small that the size of a stamp would be enough to store all the world … Read more
An international team of researchers led by Natalia Dubrovinskaia and Leonid Dubrovinsky , from the University of Bayreuth (Germany), has achieved a milestone in physics : reaching a pressure of 1 billion pascals in the laboratory , three times what we can find in the nucleus. from the earth. This finding, published in the journal … Read more
OLO is a device that uses a white resin that hardens when bathed in white light from mobile phone screens, allowing layer-by-layer 3D printing. It is enough to download the app, which offers a wide variety of designs, choose the one you want, and place the smartphone under the base of the printer, where the … Read more
One of the biggest secrets to being productive, and one that I often explain when asked where I get the time to write several books a year, is to avoid interruptions in periods of about 30-120 minutes . When you have a task ahead of you, especially if we are lazy to carry it out, … Read more
Think of all the time we spend ironing and folding clothes and how generally boring and monotonous it is. FoldiMate is a device that aims to eliminate this torture by automating the entire process. And it is that this invention will not only fold the clothes (which must not be too big or too small) … Read more
This gadget that you can see in operation in the video that follows could be from a James Bond movie (of the old ones), if it weren’t for the fact that it is part of one of the Kickstarter crowdfunding projects . His name is Scubajet . Its dimensions allow it to be used to … Read more
The BlueROV2 goes to show that the democratization of drones will not only be limited to the aerial field, but also underwater. It weighs 10 kg and has a battery that can last for an hour of intensive use (or four if it suffers less demands). The simplest version of this submersible unmanned vehicle is … Read more
This new high-speed hybrid helicopter will be capable of reaching 470 km / h , thus becoming the fastest helicopter in the world. The helicopter is the work of Airbus Helicopters, which also aspires to be more efficient, sustainable and better performing than any current aircraft. They also want the helicopter to dramatically reduce its … Read more
The Russian Institute for Scientific Research for Occupational Medicine has developed a technology that allows dogs to breathe underwater, which may facilitate submarine crew rescue operations. The invention consists in allowing liquid respiration which facilitates filling the lungs with a special liquid rich in dissolved oxygen that penetrates the blood . In this way, the … Read more
It is 92 meters long and 43.5 meters wide. In other words, this aircraft, the Airlander 10, is much larger than we have ever seen in a normal aircraft. In autonomous mode, the aircraft can stay in the air for two weeks, five days if it is a manned flight. You can watch the video … Read more
With a knife or a gun, in ancient times, criminals could carry out crimes such as theft. However, these and other criminals were generally only able to rob a certain number of people per day . The victims were few. Would-be criminals, however, have found a way to mass crime on the Internet. Everything, in … Read more
A low-cost plastic-based textile has been developed by Stanford engineers and has the ability to filter the radiation emitted by the human body, so by making clothes with it we could do without, most of the time, a system of air conditioning . This new material would allow the user to feel almost 4ºC less … Read more
As if it were the Hogwarts Express , that train in the Harry Potter universe in which we can travel to another world, the Solar Express is another train that aspires to travel at a speed of 3,000 kilometers per second. Which, in theory, would allow us to reach Mars in just 37 hours . … Read more
The blinking of the eye lasts exactly 50-70 milliseconds. And in the time it takes us to blink twice, that is, 140 milliseconds, someone on the Internet has spoofed two Facebook accounts . This, in more graphic numbers, means that every day some 600,000 Facebook accounts are violated, as recognized by the Facebook security dislocation … Read more
Isobar is a vaccine refrigerator so small that you can carry it as a backpack. It could potentially save the lives of a million or a million and a half people annually, according to WHO estimates. The most surprising thing is that its inventor is only 22 years old . Loughborough University student (United Kingdom) … Read more
Carbon dioxide emissions could be significantly reduced thanks to the replacement of metal parts in transport with composite materials with a mass four times lower , as investigated at the Eurecat technology center. By reducing weight and improving aerodynamics, fuel consumption will be much more efficient. Basically, we have to rely on polymer matrix composites … Read more