(tal vez demasiada) Tecnología

Un metro marca Peñalosa | La Silla Vacía

"Esta mañana, como estaba previsto, el Alcalde de Bogotá, Enrique Peñalosa, logró que el Gobierno Nacional firmara el documento Conpes con el que aseguró la financiación del 70 por ciento del metro. Y como quedó ratificado que será elevado y muy seguramente... Seguir leyendo →


How (Not) to Run a Modern Society on Solar and Wind Power Alone – LOW-TECH MAGAZINE

"While the potential of wind and solar energy is more than sufficient to supply the electricity demand of industrial societies, these resources are only available intermittently. To ensure that supply always meets demand, a renewable power grid needs an oversized... Seguir leyendo →

Descubiertas las células que inician la metástasis del cáncer | Ciencia | EL PAÍS

"Metástasis es una palabra que provoca miedo porque en el 90% de los casos de muerte por cáncer se ha producido este proceso. Pero la mestástasis, por la que unas pocas células se desprenden del tumor y provocan otros en... Seguir leyendo →

Are we about to witness the most unequal societies in history? | Inequality | The Guardian

"Inequality goes back to the Stone Age. Thirty thousand years ago, bands of hunter-gatherers in Russia buried some members in sumptuous graves replete with thousands of ivory beads, bracelets, jewels and art objects, while other members had to settle for a... Seguir leyendo →

Time may be fuzzy. If so, the idea of causality may be in trouble

"THE thing about Gedankenexperimente—or thought experiments, for those who find Albert Einstein’s native tongue too twisting—is that you never know where they might lead. For Einstein, they led to the theory of relativity. For James Clerk Maxwell, they conjured an imaginary... Seguir leyendo →

En Alemania la electricidad también se puede compartir | Economía | EL PAÍS

"Un programa de la televisión llamó la atención de Karsten Kaddat, un joven electricista del norte de Alemania el año pasado. Explicaba que cualquiera podía conseguir energía verde gratis para consumir en su casa. Intrigado Kaddat corrió a Google y... Seguir leyendo →

Moon is proto-Earth’s mantle, relocated | Geology Page

"Measurements of an element in Earth and Moon rocks have just disproved the leading hypotheses for the origin of the Moon. Tiny differences in the segregation of the isotopes of potassium between the Moon and Earth were hidden below the... Seguir leyendo →

Regulating the internet giants: The world’s most valuable resource is no longer oil, but data | The Economist

"A NEW commodity spawns a lucrative, fast-growing industry, prompting antitrust regulators to step in to restrain those who control its flow. A century ago, the resource in question was oil. Now similar concerns are being raised by the giants that... Seguir leyendo →

El Significado de E=mc² – YouTube

China presenta el primer ordenador cuántico que supera al convencional | EuropaPress

"China presenta el primer ordenador cuántico que supera al convencional Científicos chinos han construido la primera máquina computacional cuántica del mundo que va mucho más allá de las mejores computadoras clásicas o convencionales.    El avance, que allana el camino hacia... Seguir leyendo →

Reddit Asks The Question: What is a Scientific Fact That You Know is True But Still Blows Your Mind

"Over the weekend, thousands of people around the world marched for science. As per the BBC: Thousands of scientists have taken part in demonstrations around the world in protest against what they see as a global political assault on facts.The... Seguir leyendo →

Estados Unidos lanza sobre Afganistán su mayor bomba no nuclear | Estados Unidos | EL PAÍS

"Estados Unidos lanzó este jueves sobre instalaciones terroristas en Afganistán el mayor artefacto no nuclear que posee, un explosivo conocido como “la madre de todas las bombas” que estuvo desarrollando durante la guerra de Irak pero no había utilizado hasta... Seguir leyendo →

History: How African Muslims “Civilized Spain” | Global Research – Centre for Research on Globalization

"Four hundred and eight years ago today King Phillip III of Spain signed an order, which was one of the earliest examples of ethnic cleansing. At the height of the Spanish inquisition, King Phillip III ordered the expulsion of 300,000... Seguir leyendo →

Una revisión de 350 estudios descarta efectos nocivos de las radiofrecuencias sobre la salud | Ciencia | EL PAÍS

"Un grupo de 72 personas participó el año pasado en una inmensa farsa sin saberlo. La mitad de ellas se autodeclaraban “electrosensibles”. Presentaban una catarata de síntomas inespecíficos, como fatiga, vértigo y náuseas, que atribuían a los campos electromagnéticos producidos... Seguir leyendo →

Physicists who made a perfect vacuum say they saw quantum fluctuations – Business Insider

"According to quantum mechanics, a vacuum isn't empty at all. It's actually filled with quantum energy and particles that blink in and out of existence for a fleeting moment — strange signals that are known as quantum fluctuations. For decades,... Seguir leyendo →

Physicists find a way to probe the quantum realm without wrecking everything – ScienceAlert

"In 1930, German theoretical physicist Werner Heisenberg came up with a thought experiment, now known as Heisenberg’s microscope, to try to show why it’s impossible to measure an atom’s location with unlimited precision. He imagined trying to measure the position of... Seguir leyendo →

PI-RADOS | Another Day In The Lab

"Hoy es el día π. A muchos esto no os dirá nada, pero yo voy a celebrarlo igualmente con una entrada por dos buenas razones. La primera es que es mi número favorito, soy un πrado. ¿Desde cuándo? No consigo... Seguir leyendo →

Inside the Artificial Universe That Creates Itself – The Atlantic

"Every particle in the universe is accounted for. The precise shape and position of every blade of grass on every planet has been calculated. Every snowflake and every raindrop has been numbered. On the screen before us, mountains rise sharply... Seguir leyendo →

Time crystals are a new phase of matter – Business Insider

"For months now, there's been speculation that researchers might have finally created time crystals — strange crystals that have an atomic structure that repeats not just in space, but in time, putting them in constant oscillation without energy. Now it's... Seguir leyendo →

Graphene’s superconductive power has finally been unlocked, and it’s crazier than we expected – ScienceAlert

"It's official: graphene has been made into a superconductor in its natural state - which means electrical current can flow through it with zero resistance. Last year, physicists managed to do this by doping graphene with calcium atoms, but this... Seguir leyendo →

Mathematical Model Reveals the Patterns of How Innovations Arise

"Innovation is one of the driving forces in our world. The constant creation of new ideas and their transformation into technologies and products forms a powerful cornerstone for 21st century society. Indeed, many universities and institutes, along with regions such as... Seguir leyendo →

First test of rival to Einstein’s gravity kills off dark matter | New Scientist

"A controversial approach to gravity that challenges Albert Einstein and suggests dark matter doesn’t exist has passed its first test. The vast majority of physicists agree that gravity acts according to rules laid down in Isaac Newton’s law of gravitation... Seguir leyendo →

Google’s DeepMind AI gives robots the ability to dream – ExtremeTech

"Following in the wake of recent neuroscientific discoveries revealing the importance of dreams for memory consolidation, Google’s AI company DeepMind is pioneering a new technology which allows robots to dream in order to improve their rate of learning.  Not surprisingly... Seguir leyendo →

Newly evolved bacteria can bond silicon to carbon with ease – Business Insider

"Scientists have coaxed life to do something it has never done before: bond silicon to carbon. You're probably already familiar with a few products products that use carbon-silicon, or organosilicon: glues, caulks, and pesticides, to name a few. But the... Seguir leyendo →

New, Groundbreaking Revelation Brings Us Closer to Nuclear Fusion

"Researchers from the U.S. DOE’s Princeton Plasma Physics Laboratory (PPPL) and Princeton University may have solved the mystery surrounding magnetic reconnection, bringing us one step closer to better solar flare prediction and (pmost notably) problems surrounding  nuclear fusion containment. Ultimately, this... Seguir leyendo →

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