Evolution of Geographical Knowledge and its Subfields
Evolution of Scientific Knowledge
Prehistory: Agriculture, natural resources, and populations represented by humankind.
Antiquity: Anaximander’s world map, Earth’s sphericity, parallels and meridians, the geocentric model by Aristotle, Ptolemy, Eratosthenes, etc.
Middle Ages: Compass (Chinese), invention of zero (Maya), Al-Idrisi’s world map and 70 local maps, Ibn Battuta’s travels.
Renaissance: Evidence of Earth’s sphericity from Magellan’s voyages, invention of the telescope by Galileo Galilei, the
Read MorePublic Sector Contracts: Types and Management
Works Contracts
Contracts aimed at carrying out a work defined by an immovable object or the execution of work defined by law (lists, highways, airports, etc.).
Rating by Purpose
- Establishment Works: Creation of a building, expansion, improvement, or strengthening of an existing one.
- Simple Repair Works: Repairing damage in a building that does not affect the structure or preserve historical value.
- Maintenance Works: Repairing damage due to the use of the property.
- Demolition Works: Destruction of a building.
Business Finance and Strategic Management Principles
Financial Function and Investment
The financial function manages and controls financial resources. Key questions include: total source volume, optimal financial structure, and necessary investment types for productive activities.
Investment Selection Methods
Net Present Value (NPV): Updates cash flows with a rate, selecting the highest positive value.
Payback Period: Considers updating cash flow, focusing on recovery time.
Static Methods: Consider lifetime investment.
Net Cash Flow: Represents the difference
Read MorePolyphase AC Motors: Synchronous and Induction
Polyphase AC Motors
Two basic types are designed to operate polyphase AC motors: synchronous motors and induction motors.
Synchronous Motors
The synchronous motor is essentially a three-phase alternator that works in reverse. The field magnets are mounted on a rotor and are excited by direct current. The armature coils are divided into three parts with three-phase alternating current. The variation of the three waves of current in the armature reaction causes a variable magnetic field, making the field
Read MoreSpain’s 1898 Crisis: Political & Social Transformations
Cánovas and the New Liberalism
Cánovas aimed to articulate a new model of liberalism, addressing the partisan and exclusionary nature of moderate military intervention in politics and the proliferation of civil strife. The objectives were twofold: to develop a constitution that would create a bipartisan political system and to pacify the country by ending the war in Cuba and the Carlist conflict.
The first policy measure was the convening of elections for a Constituent Assembly, as the Constitution
Read MoreE-Commerce, Digital Signatures, Cybercrime, and Data Flow
Concept of Electronic Commerce: Any form of transaction or exchange of business information based on data transmission and Internet communications networks.
What elements comprise e-commerce? E-commerce includes not only buying and selling goods, information, or services electronically but also using the network for pre- and post-sale activities.
Pre- and post-sale e-commerce activities:
- Advertising
- Finding information about products and suppliers
- Negotiating price and delivery terms
- Customer service
- Compliance
Spain’s Liberal Revolution: Isabel II’s Reign (1833-1868)
Item 2: Liberal Revolution during Isabel II’s Reign (1833-1868)
During Isabel II’s reign (1833-1868), Spain underwent a liberal revolution, starting with a civil war between Carlists (absolutists) and Isabelines (liberals) due to a dynastic conflict after Fernando VII’s death. A new ruling class, the bourgeoisie agraria, emerged. However, establishing a truly representative parliamentary system faced challenges, with party changes often resulting from military coups or popular revolts.
The Liberal
Read MoreRousseau, Pestalozzi, Froebel: Shaping Modern Education
Rousseau (1712-1778): Naturalism and Negative Education
Rousseau was a key figure in the Enlightenment, inspiring societal transformation during the eighteenth and nineteenth centuries. He advocated for republicanism and individual freedom. Like Aristotle, Rousseau saw education as crucial for shaping free citizens. In Emile (1762), he proposed a new pedagogy based on the child’s natural development.
Rousseau’s core ideas:
- The child is fundamentally different from an adult and has unique developmental
Inheritance Laws and Regulations
Inheritance
Inheritance is the succession to all assets, rights, and obligations of the deceased that are not extinguished by death. It is conferred by the will of the testator or by operation of law. The former is called testamentary, and the latter, legal or intestate succession.
Heirs and Legatees
An heir acquires a universal title and is responsible for estate charges up to the value of inherited property. A legatee acquires specific items and bears no burdens beyond those imposed by the testator,
Read MoreThe Protestant Reformation: A Religious and Political Transformation
The Pre-Reformation World
The rise of political theories and the establishment of national monarchies gradually diminished the Pope’s control and influence over Christendom. This decline was so significant that the Pope struggled to unite Christian princes against the threat of the Muslim Ottoman Turks. The Pope’s temporal power was limited to the Papal States in the Italian peninsula. Maintaining these territories required political maneuvering, as various European states vied for hegemony in Italy,
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