Video Experimental Relacionado

Updated: Jul 11, 2026

Generation of Warfighter Avatars from Weapon Training Scene Images for Blast Exposure Simulations
06:20

Generation of Warfighter Avatars from Weapon Training Scene Images for Blast Exposure Simulations

Published on: December 6, 2024

Creep tecnológico y la carrera armamentista: los ICBM son un problema latente.

D Shapley

    Science (New York, N.Y.)
    |September 22, 1978
    PubMed
    Resumen

    Los avances tecnológicos en la carrera armamentista están creando capacidades desestabilizadoras de primer ataque. Las medidas actuales de control de armas no abordan adecuadamente estos problemas apremiantes, lo que pone en riesgo un retorno a las capacidades de misiles antibalísticos.

    Videos de Conceptos Relacionados

    Effects of Creep01:25

    Effects of Creep

    Creep in concrete, the gradual deformation under prolonged stress, significantly impacts the integrity of structures. For reinforced concrete beams, it can be a vital design consideration, as it increases deflection, sometimes necessitating additional design measures. In columns, especially slender ones under eccentric loads, creep can cause buckling, compromising their stability. However, creep can be beneficial in indeterminate structures by mitigating stresses that arise from shrinkage,...
    Factors Affecting Creep01:28

    Factors Affecting Creep

    In normal-weight aggregate concrete, the hardened cement paste is the primary contributor to creep, whereas the aggregates, being stiffer than the cement paste, are more resilient to stress-induced deformation. The stiffness of the aggregates is defined by their modulus of elasticity, and the more voluminous they are in the concrete, the less it will creep.
    Further, the water/cement ratio is critical, as a lower ratio increases concrete strength, thus reducing creep. The strength of the...
    Machines: Problem Solving II01:30

    Machines: Problem Solving II

    Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. Consider a lifting tong carrying a 100 kg load. It comprises movable sections DAF and CBG linked together with member AB.
    Statically Indeterminate Problem Solving01:16

    Statically Indeterminate Problem Solving

    Statically indeterminate problems are those where statics alone can not determine the internal forces or reactions. Consider a structure comprising two cylindrical rods made of steel and brass. These rods are joined at point B and restrained by rigid supports at points A and C. Now, the reactions at points A and C and the deflection at point B are to be determined. This rod structure is classified as statically indeterminate as the structure has more supports than are necessary for maintaining...
    Nuclear Transmutation03:20

    Nuclear Transmutation

    Nuclear transmutation is the conversion of one nuclide into another. It can occur by the radioactive decay of a nucleus, or the reaction of a nucleus with another particle. The first manmade nucleus was produced in Ernest Rutherford’s laboratory in 1919 by a transmutation reaction, the bombardment of one type of nuclei with other nuclei or with neutrons. Rutherford bombarded nitrogen-14 atoms with high-speed α particles from a natural radioactive isotope of radium and observed protons being...
    Nuclear Power02:36

    Nuclear Power

    Controlled nuclear fission reactions are used to generate electricity. Any nuclear reactor that produces power via the fission of uranium or plutonium by bombardment with neutrons has six components: nuclear fuel consisting of fissionable material, a nuclear moderator, a neutron source, control rods, reactor coolant, and a shield and containment system.
    Nuclear Fuels
    Nuclear fuel consists of a fissile isotope, such as uranium-235, which must be present in sufficient quantity to provide a...