Electrogravitics is a term that refers to a hypothesized technology that attempts to manipulate gravitational forces using electrical fields. It is often associated with the concept that an electric field can exert a force on mass in such a way that it could result in propulsion or other forms of movement against the force of gravity. The idea suggests that by creating certain electrical fields or configurations, one might achieve effects that reduce weight or generate thrust without traditional propellant.
Margaret Eliza Maltby (1860–1944) was an American mathematician and astronomer known for her contributions to astronomy, mathematics, and education. She was one of the first women to earn a degree in mathematics in the United States, obtaining her Ph.D. from Columbia University in 1896. Maltby made significant contributions to the study of binary stars and celestial mechanics, and she was involved in teaching and promoting science, especially among women.
Albert von Ettingshausen is known as a scientist, but specific details about him may vary based on the context. He was an Austrian scientist and professor, primarily recognized for his contributions to the fields of geology, palaeontology, and other natural sciences during the 19th century. Ettingshausen's work often revolved around the study of the natural history of Austria and its geological formations.
Léon Foucault is not a widely recognized figure like his namesake, Jean-Bernard Léon Foucault, who was a famous French physicist known for his work in the 19th century. Léon Foucault is best known for his demonstration of the rotation of the Earth using the Foucault pendulum, a simple device that elegantly shows the Earth's rotation relative to the plane of the pendulum's swing.
Paul Ulrich Villard (1860-1934) was a French chemist and physicist known for his work in the fields of radioactivity and radiation. He is particularly noted for his discovery of gamma rays in 1900, which he identified as a form of electromagnetic radiation distinct from alpha and beta rays, which were previously known forms of radiation. Villard's contributions to the understanding of radioactive materials and their emissions laid important groundwork for future research in nuclear physics and related disciplines.
Pierre Louis Dulong (1785–1838) was a prominent French chemist and physicist best known for his contributions to the study of heat capacities and atomic theory. One of his significant contributions is known as Dulong-Petit Law, which he formulated in collaboration with his colleague Alexis Thérèse Petit.
Edward Salisbury Dana was an influential American geologist, mineralogist, and petrologist, known for his work in the field of geology. Born on February 12, 1815, in New York City, Dana made significant contributions to the understanding of mineral classification and the geological processes that shape the Earth. He is perhaps best known for his work "Manual of Mineralogy," first published in 1837, which became a standard reference in the field for many years.
Edward Samuel Ritchie is not a widely recognized figure, so it's possible that you may be referring to an individual who is not widely documented or may not have achieved significant prominence in historical or public records.
Email spoofing is a malicious tactic used to send emails that appear to come from a legitimate source but are actually sent by an unauthorized sender. This technique is often used by attackers to deceive recipients into believing that the email is genuine. Spoofed emails can be designed to impersonate individuals, businesses, or organizations and are frequently used in phishing attacks to trick recipients into providing sensitive information, such as passwords, financial details, or personal data.
An emoticon is a textual representation of a facial expression used in digital communication to convey emotions or feelings. Typically consisting of keyboard characters, emoticons can be simple, like the smiley face :-) or sad face :-(. They are used to add emotional context to written communication, helping to express tone and intention. For example: - A smiley face :-) indicates happiness or friendliness. - A frown :-( indicates sadness or displeasure.
Ronald Greeley was an American geologist and a prominent figure in planetary science, particularly known for his work on planetary surface processes and Mars geology. He contributed to the understanding of the geology of Mars through satellite imagery and studies of Martian surface features. Greeley was involved in several NASA missions and projects related to planetary exploration. In recognition of his contributions to the field, he has been honored posthumously in various ways, including having a feature on Mars named after him.
Arvind is a prominent computer scientist known for his contributions to the fields of computer architecture, programming languages, and systems. He is a professor at the Massachusetts Institute of Technology (MIT) and has worked extensively on the development of dataflow architectures, parallel computing, and hardware-software co-design. One of his significant contributions is in the development of the Dataflow Programming Model, which focuses on the flow of data rather than the control flow of programs, thus enabling highly parallel computation.
The 1940s were a pivotal decade in the development of computers, marking the transition from mechanical calculating devices to electronic computers. Here are some key aspects of computers from that era: 1. **Early Electronic Computers**: The 1940s saw the creation of some of the first electronic general-purpose computers.
The term "1940s software" generally refers to the early concepts of software and programming that emerged alongside the development of first-generation computers during that decade. While the term "software" as we know it today did not exist at the time, the foundational ideas and early implementations can be considered the precursors of modern software. In the 1940s, most computing was done using hardware that relied heavily on vacuum tubes, and early computers like the ENIAC and Colossus were created.
In computing, "1941" may refer to the 1941 invention of the Colossus, which was one of the earliest programmable digital computers used during World War II for cryptanalysis, specifically to break the German Lorenz cipher. Developed by British engineer Tommy Flowers and his team, the Colossus was a significant advancement in computing technology. Another less common association is with the term "1941.
Hertha Ayrton (1854-1923) was a notable British engineer, mathematician, and physicist, recognized for her contributions to both the scientific community and women's advancement in the fields of science and engineering. Ayrton was not only the first woman to be elected to the Institution of Electrical Engineers (IEE) in 1899 but also the first female to present a paper to the IEE.
Cornelis Wind doesn't appear to refer to a widely recognized figure, concept, or terminology as of my last training cut-off in October 2023. It's possible that it could be the name of a person, perhaps in a specific field or locality, or it might refer to a term or concept that has emerged after that date.