En realidad, para crear un universo como el nuestro puede necesitarse una cantidad neta absurdamente pequeña de materia, quizá baste con 30 gramos.
Embarrassingly enough, at present there is no theory explaining the properties of these high-temperature superconductors. In fact, a Nobel Prize is awaiting the enterprising physicist who can explain...
Cuando estamos sentados en una silla, creemos que la tocamos, pero en realidad estamos suspendidos sobre ella, flotando a menos de un nanometro sobre el asiento,
But historically the fourth dimension has been considered a mere curiosity by physicists. No evidence has ever been found for higher dimensions. This began to change in 1919 when physicist Theodor Kal...
Astronomers suspect that the Oort Cloud could extend as far as three light-years from our solar system. That is more than halfway to the nearest stars, the Centauri triple star system, which is slight...
As all matter is crushed in the final moments before doomsday, intelligent life forms may be able to tunnel into higher-dimensional space or an alternative universe, avoiding the seemingly inevitable...
As Heinz Pagels has said,The challenge to our civilization which has come from our knowledge of the cosmic energies that fuels the stars, the movement of light and electrons through matter, the intric...
Alrededor de 2020, o poco después, la ley de Moore dejará gradualmente de ser válida, y es posible que Silicon Valley se convierta poco a poco en un simple cinturón industrial, salvo que se encuentre...
Algún día, los científicos podrían construir una «internet de la mente», o brain-net, en la que los pensamientos y las emociones se enviarían electrónicamente de un lugar a otro del mundo
There is a saying among women scientists who attend highly specialized engineering universities, where the girl-to-guy ratio is decidedly in their favor: The odds are good, but the goods are odd.)
Atomic machines are actually found in nature. Cells can swim freely in water because they can wiggle tiny hairs. But when one analyzes the joint between the hair and the cell, one sees that it is actu...
At first, it seems as if the existence of complex life forms on Earth violates the second law. It seems remarkable that out of the chaos of the early Earth emerged an incredible diversity of intricate...
على سبيل المثال، صنع علماء من جامعة كورنيل أصغير غيتار في العالم وهو أصغر بـ20 مرة من شعرة إنسان ومصنوع من بلورة سيلكونية. ولهذا الغيتار ستة أوتار كل منها بسمك 100 ذرة ويمكن العزف بتحريك الأوتار عن طر...
على الرغم من غرابتها، ليست الأحلام ترفا زائدا، وليست بقايا غير مفيدة لدماغ خامل.الأحلام في الحقيقية ضرورية للبقاء.باستخدام مسوحات الدماغ، من الممكن إظهار أن بعض الحيوانات تظهر نشاطا دماغيا يشبه الأحلا...
أن تكون فائق الذكاء لا يضمن لك النجاح في الحياة. في الحقيقة، ربما يعيقك الذكاء الفائق في الحلقات الأدنى من مجتمع يقدر الرياضيين ونجوم السينما والكوميديا ومضيفي التلفاز بشكل أكبر. لم يصبح أي إنسان ثريا...
Trabajos de intermediario, haciendo inventarios y recuentos. Esto significa que los representantes, corredores, dependientes, contables, etcétera, serán despedidos gradualmente a medida que sus puesto...
The intuitive feeling we have that there’s an executive ‘I’ that sits in a control room of our brain, scanning the screens of the senses and pushing the buttons of our muscles, is an illusion. Conscio...
The dark lady who inspired Shakespeare’s sonnets, the lady of Arosa may remain forever mysterious. (Unfortunately, because Schrödinger had so many girlfriends and lovers in his life, as well as illegi...
Surmised that pressure from sunlight creates these tails by blowing dust and ice crystals in comets away from the sun. The prescient Jules Verne anticipated light sails in From the Earth to the Moon w...
Si un gato puede comerse un ratón en un minuto, ¿cuánto tiempo tardan un millón de gatos en comerse un millón de ratones? Respuesta: un minuto.)