Blog post: swansont: The Shroud of Duration

Loosely speaking, this has also been referred to as a “history editorâ€. Naturally, the discussion of “cloaking†has again brought out references to “Harry Potter cloaks†and other dramatic imagery; the reality is much more mundane, but still fascinating — and an amazing achievement. Let’s take a look at what was done, what was not done — and why it’s quite cool!

 

 

First, let’s get rid of some misconceptions that the terminology naturally brings to mind. The terms “space-time cloak†and “history editor†make it sound like the device is ripping a hole in the fabric of space-time itself — like a time machine equipped with a big eraser! This is definitely not what is happening here! There is no manipulation of time itself, but rather a manipulation of a beam of light to hide something that the light would otherwise detect.