Is this proof mysterious bangs heard on both sides of Atlantic WERE caused by a top-secret jet?

UK Daily Mail ^ | December 1, 2014 | Victoria Woollaston, Dan Bloom and Stephanie Linning

[C19fan]

here 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.

[C19fan]

Hmmmm....

[buckalfa]

But which nation would it belong to ??

[RightGeek]

Rookie UFO pilot

[FunkyZero]

whatever that was on the camera recording sounded like a runaway 2 cylinder Johnny-popper with no exhaust manifold. I seriously doubt that was an aircraft... unless it was crashing. It also sounded nothing like the engine on the test stand

[DJ MacWoW]

Hello December?!

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[Blood of Tyrants]

Sounds more like fireworks.

[Born to Conserve]

Fireworks.

[MUDDOG]

pulse detonation engine

Impulse drive.

[Zeppo]

Malfunctioning ansible?

[mabarker1]

I can't believe that NOBODY has figured out the REAL Cause of this.

Come on FReepers!

[imardmd1]

Return of Russian jets that were turned back by Canadian Air Force a few days ago?

[Mike Darancette]

Sounds like a Buzz Bomb.

[VTenigma]

SCRAM jet