US Army toyed with telepathic ray gun - New Scientist Tech

A recently declassified US Army report on the biological effects of non-lethal weapons reveals outlandish plans for “ray gun” devices, which would cause artificial fevers or beam voices into people’s heads.

The report titled “Bioeffects Of Selected Nonlethal Weapons” was released under the US Freedom of Information Act and is available on this website (pdf). The DoD has confirmed to New Scientist that it released the documents, which detail five different “maturing non-lethal technologies” using microwaves, lasers and sound.

Released by US Army Intelligence and Security Command at Fort Meade, Maryland, US, the 1998 report gives an overview of what was then the state of the art in directed energy weapons for crowd control and other applications.

US Army toyed with telepathic ray gun - tech - 21 March 2008 - New Scientist Tech

World’s smallest gun that fires deadly 300mph bullets

Swiss Minigun

At just over two inches long it is the world’s smallest gun - but the 300mph bullets it fires mean it is still deadly

Read all about it here:

Introducing the world’s smallest gun that fires deadly 300mph bullets - but is just TWO inches long | the Daily Mail