tum-tum stuff

Just Another Stuff For Unemployed Mind

Photographing the speed of light: Ramesh Raskar at TEDGlobal 2012

leave a comment »

TED Blog

Ramesh Raskar

MIT professor Ramesh Raskar starts his talk by showing the classic Doc Edgerton photograph of an apple being shot by a bullet. It demonstrated an exposure of a millionth of a second. Wonderful, right? he asks us, to wide agreement. Only now, 50 years later, technology advances mean we can photograph a million times faster than this. “Now we can see the world at a trillion frames per second,” he says. “I present to you femto-photography, a new imaging technique so fast that it can create slow-motion videos of light in motion.”

What does this mean? Well, it means that now Raskar and co can create cameras that look around corners. “We can challenge what we mean by camera,” he says.

He shows video of a “bullet” of light passing through a Coke bottle. The film is silent and slow, and someone whoops excitedly as soon as it’s over…

View original post 380 more words


Written by Mjay

July 10, 2012 at 21:57

Posted in Tech Stuff

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )


Connecting to %s

%d bloggers like this: