I was curious how big the comprehensive Wall of China was compared to NY City. Turns out all the Eastern Seaboard is a far better comparison. BBC’s awesome Dimensions site enables you to map historical happenings over geography of your choosing.
The site permits you to size up great cities of history, environmental disasters, WWII battles, and more, with any landmass on earth. The effects are usually surprising.
What a tiny little Moon you’re! Or perhaps I just haven’t been giving Australia enough geographic credit? [BBC Dimensions via Kottke]
![How Big Are Historical Things, Really? [Geography]](http://nexgadget.com/images/How-Big-Are-Historical-Things-Really-Geography_oaeoh_1.jpg)
‘Hugo’ director Martin Scorsese, cast explain some great benefits of shooting movies in 3D (video)
The Engadget Interview: BlackBerry PlayBook product manager Michael Clewley



