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Death ray

theoretical weapon

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJan 13, 2026
Entity authorityQ2638786
Source-derived summary

The death ray or death beam is a theoretical particle beam or electromagnetic weapon first theorized around the 1920s and 1930s. Around that time, inventors such as Guglielmo Marconi, Nikola Tesla, Harry Grindell Matthews, Edwin R. Scott, Erich Graichen and others claimed to have invented it independently. In 1957, the National Inventors Council was still issuing lists of needed military inventions that included a death ray.

While based in fiction, research into energy-based weapons inspired by past speculation has contributed to actual weapons used by modern militaries sometimes called a sort of "death ray", such as the United States Navy and its Laser Weapon System (LaWS) deployed in mid-2014. Such armaments are technically known as directed-energy weapons.

History

In 1923, Edwin R. Scott, an inventor from San Francisco, claimed he was the first to develop a death ray that would destroy human life and bring down planes at a distance. He was born in Detroit, and he claimed he worked for nine years as a student and protégé of Charles P. Steinmetz. Harry Grindell-Matthews tried to sell what he reported to be a death ray to the British Air Ministry in 1924. He was never able to show a functioning model or demonstrate it to the military.

Nikola Tesla claimed to have invented a "death beam" which he called teleforce in the 1930s and continued the claims up until his death.

Editorial summary

“Death ray” enters the record as theoretical weapon. Crown Archives preserves that source wording while asking what Death, theoretical and weapon can confirm, complicate or overturn.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current lead gives the account dated anchors—1957, 2014, 1923, 1924—that can be checked directly. The selected authority fields contribute no independent date. Its strongest next move is a source search built around Death, theoretical and weapon.
Editorial analysis

Why this record matters

“Death ray” is worth following because a concise public description often conceals a longer documentary argument. Here, Death, theoretical and weapon provides the most credible route into that argument.

Evidence profile

The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Jan 13, 2026. The linked authority identifier is Q2638786. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1957, 2014, 1923 and 1924.

Critical limits

Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

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  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

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Source & attribution

This entry incorporates text from Death ray” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.