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Handheld railgun as powerful as an air rifle to go on sale in the US

Handheld railgun as powerful as an air rifle to go on sale in the US

12 August 2021

An electromagnetic rifle, a device that uses electromagnetic coils to push a steel projectile down its barrel, is now being offered for pre-order in the US
Starfish Prime nuclear explosion

Would a North Korean space nuke really lay waste to the US?

3 May 2017

Warnings that North Korea could detonate a nuclear bomb in orbit to knock out US electrical infrastructure are far-fetched, says arms expert Jeffrey Lewis

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