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Trump’s ‘Golden Dome’ plan has a major obstacle: Physics
Scientists suggest the missile defense plan will face big hurdles, especially given its projected timeline and cost.
In the face of nuclear threats from adversaries like Russia, China and North Korea, some politicians are clamoring for a system to reliably protect the United States from incoming missiles. “Intercepting even a single, nuclear-armed intercontinental-range ballistic missile or its warheads … is extremely challenging,” physicist Frederick Lamb of the University of Illinois Urbana-Champaign, chair of the group that produced the report, said at an APS meeting in Anaheim, Calif. in March. In addition to ground-based systems, Golden Dome would use potentially thousands of defensive weapons called interceptors orbiting Earth, poised to neutralize attacks.
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