Is A Top Secret And Futuristic 'Pulse Detonation Jet' The Reason Why Mysterious Bangs Are Being Heard Across The Atlantic?

Is this Proof Mysterious Bangs Heard On Both Sides Of Atlantic WERE Caused By A Top-Secret US Jet? Footage Of Hypersonic Engine In Action Reveals It Sounds Almost Identical To Unexplained Noises -- Daily Mail

* Sounds reported at the weekend from Aberdeen to Devon in the UK
* Loud booms were also reported over Buffalo and Lockport in New York
* Twitter users blamed meteors, fireworks, aliens and 'the end of the world'
* A woman in south London managed to record the mysterious bangs
* An expert told MailOnline the noises sound like a 'pulse detonation engine'
* Some claim this is power source behind secret US spy plane 'Aurora'
* A video of this type of engine being tested reveals striking similarities
* MoD have no explanation, while Met Office said unusual weather not cause and experts said it couldn't have been meteors burning up
* US expert claims such an aircraft could potentially have been thousands of miles from where it was heard

There was growing evidence today that some kind of hypersonic jet may have been the cause of the mysterious bangs heard over both the UK and the US on Saturday.

Engineering expert Dr Bhupendra Khandelwa told MailOnline he believes the loud, repetitive bangs sounded like an experimental jet engine called a pulse detonation engine (PDE).

Other theories - including weather phenomenon or meteors and space junk 'burning up' in the atmosphere - have been largely dismissed by experts.

And a video showing a PDE being tested in a lab appears to add weight to Dr Khandelwa's claim.

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More News And Analysis On What Is Causing "Loud Bangs" That Are Being Heard Across The Atlantic

'Mystery Bangs' Over UK Sounded Like Secret 'Pulsejet Engine' -- Huffington Post
Were mysterious bangs in Gloucestershire sky caused by experimental jet engine? -- Gloucestershire Eecho
What caused the mysterious 'loud bangs' heard in Surrey? -- Get Surrey
Conspiracy theorists get excited over mysterious ‘bangs’ heard across UK -- Metro
Experts question mysterious bangs heard in London, New York -- Al Arabiya