Results 71 to 80 of about 21,973 (221)

Microspherules formed by lightning strikes

open access: yesMeteoritics &Planetary Science, Volume 61, Issue 5, Page 743-767, May 2026.
Abstract Natural microspherules are formed by high‐temperature processes and are present throughout the geologic record to the present day. We report the discovery of large numbers of microspherules recovered from a rock pavement in the Pilbara region, Western Australia.
M. R. Boyd, M. J. Genge, A. G. Tomkins
wiley   +1 more source

Anti‐Astrotropik — Outer space, technology and resistance in the tropics

open access: yesSingapore Journal of Tropical Geography, Volume 47, Issue 2, Page 289-316, May 2026.
This paper traces an intellectual and geographical arc of thinking about outer space in the tropics, connecting Peter Redfield's Space in the Tropics: From Convicts to Rockets in French Guiana (2000), Sean T. Mitchell's Constellations of Inequality: Space, Race, and Utopia in Brazil (2017) and Asif Siddiqi's Cosmic Fragments: Dislocation and Discontent
Rob Krawczyk
wiley   +1 more source

Adaptive Weapon-to-Target Assignment Model Based on the Real-Time Prediction of Hit Probability

open access: yesIEEE Access, 2019
Weapon-to-target assignment (WTA), which minimizes the damage to our forces by launching interceptor missiles (weapons) against ballistic missiles of the enemy (targets), is a critical decision-making problem of ballistic missile defense missions.
Jaeyeon Jang   +3 more
doaj   +1 more source

Nuclear-armed submarines in Indo-Pacific Asia: stabiliser or menace? [PDF]

open access: yes
This report examines the implications of sea-based nuclear weapons for strategic stability in the Indo-Pacific. This paper is part of a wider research and outreach project on nuclear stability in a changing Indo-Pacific Asia, supported by a grant from ...
Brendan Thomas-Noone, Rory Medcalf
core  

Model predictive control for current balancing in a four-phase buck converter [PDF]

open access: yes, 2016
Multiphase buck topology offers smaller ripple current and lower component ratings. This, however, compromises unbalanced output current between each phase of an inductor which leads to over-current and inductor saturation issues.
A. F. Yahaya, Jabbar, Mansor, Muhamad
core  

Determination of the generalized optimality criteria for selecting civilian shelter facilities from attacks by ballistic (cruise) missiles and kamikaze drones in urbanized areas

open access: yesSistemnì Doslìdženâ ta Informacìjnì Tehnologìï
The object of the study is the planning of the selection of civilian shelter from attacks by ballistic (cruise) missiles and kamikaze drones in urbanized areas.
Vadim Yakovenko   +5 more
doaj   +1 more source

Modelling Rocket System Performance Parameters

open access: yesAcademy Journal of Science and Engineering, 2022
What distinguishes the rocket system from airbreathing engines is that the rocket carries its own propellants, fuel and oxidants.  The modern rocket was originally developed for ballistic missiles.
Nnorom Achara
doaj  

Hyper Velocity Missiles For Defence

open access: yesMarket Forces, 2005
The paper reviews the history of technical development in the field of hypervelocity missiles. It highlights the fact that the development of anti-ballistic systems in USA, Russia, France, UK, Sweden, and Israel is moving toward the final deployment ...
Faqir Minhas
doaj  

Ballistic missile defence: how soon, how significant, and what should Australia's policy be? [PDF]

open access: yes
Summary: The issue of ballistic missile defence (BMD) was a controversial one when US President Reagan first advocated a strategic-level system in the early 1980s. It remains so today. What’s Australia’s interest?
Andrew Davies, Rod Lyon
core  

Why Russia and China Have Not Formed an Anti-American Alliance [PDF]

open access: yes, 2003
"Why Russia and China Have Not Formed an Anti-American Alliance," Naval War College Review, 56: 4 (Autumn 2003), pp.
Richard Weitz
core  

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