[Catalist] This is cool!!! "Oxford student uses ordinary camera to capture single atom in prize-winning photograph"

[Roy Skinner]

Hey did you know that Oxford Uni now gives female students extra time for their exams?

What do you all think?

Roy

 

From: Catalist [mailto:catalist-bounces at lists.stawa.net] On Behalf Of Chris Creagh
Sent: Wednesday, 14 February 2018 12:15 PM
To: WA Science Teachers Discussion List <catalist at lists.stawa.net>
Subject: Re: [Catalist] This is cool!!! "Oxford student uses ordinary camera to capture single atom in prize-winning photograph"

 

Hi Mark,

 

It is a very cool experiment – I wish I had done it. Thank you for the picture. I can use it this semester while teaching about a particle-in-a-box in QT. 

 

I think the “size” of the “atom” depend on the pixel size of the camera and its resolution abilities. By comparing the width of the “atom” to the width of the gap we get about 1/30. If the gap is 2 x 10E(-3)m as stated in the report then the atom is around 7 x 10E(-5)m or 70,000 nm, much bigger than I would have expected for a single atom. So even though the atom is “stationary” we do not know exactly where it is and no laws of QT have been broken.

 

:)

Chris Creagh 

 

From: Catalist [mailto:catalist-bounces at lists.stawa.net] On Behalf Of Mark Lehmann
Sent: Wednesday, 14 February 2018 11:32 AM
To: catalist at lists.stawa.net <mailto:catalist at lists.stawa.net> 
Subject: [Catalist] This is cool!!! "Oxford student uses ordinary camera to capture single atom in prize-winning photograph"

 

And yes, I know it has been done before .... It is more the fact it actually makes the news!!!

 

www.abc.net.au/news/2018-02-14/atom-photo-taken-with-ordinary-camera/9445288 <http://www.abc.net.au/news/2018-02-14/atom-photo-taken-with-ordinary-camera/9445288> 

 





Mark Lehmann
Program Coordinator - Digital Communications
Science and Marine Studies Teacher (and a few other bits)
15 McCormack Blvd, Butler WA 6036


OJS : Laughter can destroy the tyrant


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