The Future: The Blue Economy
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- Category: General
- Published on Friday, 30 April 2021 06:35
- Written by Administrator2
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Abstract
The concept of “Blue Economy” is popular nowadays, with its promise of an abundance of resources that could be harvested from the sea not just in terms of food, but also as energy and minerals. This chapter describes these concepts and discusses their feasibility. It turns out that, in many cases, we are seeing a good deal of unjustified optimism. The main element of the blue economy, nowadays, is fish farming, or “aquaculture,” an industry that has been growing and raising many expectation. It is true that the sea could be exploited for food more than it is now, but we seriously risk to cause a global collapse
Mapping the sphere
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- Category: General
- Published on Wednesday, 28 April 2021 06:57
- Written by Administrator2
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It is not possible to map a portion of the sphere into the plane without introducing some distortion. There is a lot of evidence for this. For one thing you can do a simple experiment. Cut a grapefruit in half and eat one of the halves. Now try to flatten the remaining peel without the peel tearing. If that is not convincing enough, there are mathematical proofs. One of the nicest uses the formulas for the sum of the angles of a triangle on the sphere and in the plane. The fact that these are different shows that it is not possible to find a map from the sphere to the plane which sends great circles to lines and preserves the angles between them. The
Fonseca un obispo perverso, y con grandes poderes marítimos.
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- Published on Thursday, 22 April 2021 21:10
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Castillo de los Fonseca en Coca (Palencia)
Protegido por los Reyes católicos, utilizó su poder para intervenir de forma polémica y malévola en la organización y desarrollo de los viajes con el Nuevo Mundo. Se enfrentó a Colón, envenenó el viaje de Magallanes y Faleiro, y llegó a extremos graves en su relación con Hernán Cortés.. Actuó como naviero y como agente de fletamentos, como encomendero y negrero... Se
Esclavismo y manipulación documental. (2)
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- Published on Thursday, 22 April 2021 07:54
- Written by Administrator2
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rtve
corregido 1-5-2021
La Monarquía y la Iglesia españolas de los siglos XV, XVI, XVII , XVIII y ... podrían dar explicaciones detalladas sobre este asunto. El obispo Juan Rodríguez Fonseca ( 1451-1524) podría haber hecho un doctorado sobre la materia.
Descargar las responsabilidades institucionales sobre Colon y otros capitanes era lo más sencillo.
Carlos I no tuvo dudas a la hora de autorizar el tráfico de esclavos.
Ha habido monarcas armadores dedicados al tráfico de esclavos.
Algún día en los centros docentes españoles se enseñará y estudiara la otra cara de la historia de esta España nuestra. Mientras tanto se seguirá presumiblemente militarizando el descubrimiento del Nuevo Mundo y el V Centenario de la Primera vuelta al Mundo.