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4 days ago · He proposed that all material systems can absorb or give off electromagnetic radiation only in “chunks” of energy, quanta E, and that these are proportional to the frequency of that radiation E = hν. (The constant of proportionality h is, as noted above, called Planck’s constant.)
Aug 29, 2024 · Black Hole Detectors Fulfill Moore’s Law. A famous prediction that microchips improve exponentially over time can be applicable in unrelated developments, such as the technology used to discover...
2 days ago · Chemistry. The 1871 periodic table constructed by Dmitri Mendeleev. The periodic table is one of the most potent icons in science, lying at the core of chemistry and embodying the most fundamental principles of the field. The history of chemistry represents a time span from ancient history to the present.
4 days ago · Antennas are designed to control the radiation or reception of EM waves, and antenna engineering aims to develop technology for high-efficiency transmission, radiation, and reception of EM waves. Efficient antenna design is essential in many applications, including wireless communication, radar systems, and satellite communications.
4 days ago · Black Hole Detectors Fulfill Moore’s Law. A famous prediction that microchips improve exponentially over time can be applicable in unrelated developments, such as the technology used to discover ...
4 days ago · Catch-up contributions are an opportunity for those ages 50 and older to save additional money for their retirement on a tax-advantaged basis.
3 days ago · Poincaré made many contributions to different fields of pure and applied mathematics such as: celestial mechanics, fluid mechanics, optics, electricity, telegraphy, capillarity, elasticity, thermodynamics, potential theory, quantum theory, theory of relativity and physical cosmology.
