Kyle Berry

June 05, 2012

What is its circumference?

Nathan Kraft

June 06, 2012

How many atoms wide is that thing? I'm guessing about 1000. And what are we looking at? Takes me back to my engineering transistor days.

Nate Hochmuth

June 09, 2012

What is the perimeter?

Paula Dorfman

June 27, 2012

Is it a living thing or part of a living thing?

Kate Damon

July 27, 2012

What's the area inside?

Jim Anderson

August 09, 2012

How big is the circle?

Katherine Vogel

August 13, 2012

How many of these on your fingernail?

Barbie Hoag

September 26, 2012

How can I understand how small a nanometer is?

shannon perry

October 02, 2012

Is that circle made out of water...?

Cynthia Blanchard

October 06, 2012

Are you going to tell me that is some gross bacteria that lives on my skin? What is that? How many of them could be on me right now?

Erica

October 14, 2012

What is the volume of the ring?

Chris Heddles

October 21, 2012

What is is the ring?

Lana Chow

October 21, 2012

Animal, mineral, or vegetable?

Ani Crossley

November 03, 2012

What is that thingy?

Gaute Nielsen

November 19, 2012

Worlds smallest contraceptive?

Christina Vassallo

December 04, 2012

What is the circumference?

Jonathan Newman

December 10, 2012

What is that?

John Golden

January 09, 2013

What is it? How big is the circle?

David

February 05, 2013

Is this a microscopic Halo used to destroy other cells?

Amy

February 15, 2013

What is the circumference of the circle?

Michelle Merkel

March 04, 2013

is it cylindrical?

Andrew Stadel

March 15, 2013

Could this bee seen by the naked eye?

Jinna Hwang

March 22, 2013

What IS that?

Nick

March 25, 2013

How many millimeters is this?

Evan Weinberg

April 18, 2013

What is that thing?

David Wees

April 18, 2013

How large is that ring?

Taehyun Koh

June 03, 2013

Is there a way to find out the radius of the circle?

Adam Poetzel

August 18, 2013

What could this be? Could one of my hairs fit through the middle?

Karen Capizzi

September 16, 2013

nm

Dan Fisher

October 14, 2013

What is the radius?

Gavin West

October 24, 2013

what is a nm?

Michelle Bailey

November 17, 2013

What is that in scientific notation?

Austin Miller

May 14, 2014

Is that dirt?

Jeff Lee

May 20, 2014

What is the area enclosed by the circle?

Perry Lund

June 21, 2014

How many objects are similar in size at 200 nm?

Gloria Brosky

July 29, 2014

Is this a pretzel under a micrscope?

Dana Davis

September 10, 2014

What is it?

Ellen Muir

November 06, 2014

Is that a cell?