In this episode, I talk about DNA: a simple DNA diffraction and interference experiment using the spring from a pen, and the DNA, the structure of my introductory physics class during the spring '22 semester.
Full show notes at:
www.physicsalive.com/dna
DNA Diffraction and Interference Lab and/or Demonstration
Figure 1: X-ray diffraction pattern of B-DNA labeled Photo 51 by Rosalind Franklin.
Figure 2: Interference pattern from a pen spring. Pattern produced from a red diode laser passing through the spring from a pen. Projected on a screen 8 meters away.
Here are the articles I referenced about DNA interference and diffraction experiments:
Revealing the Backbone Structure of B-DNA from Laser Optical Simulations of Its X-ray Diffraction Diagram
X-ray diffraction and DNA optical transform from the ICE (Institute for Chemical Education) Online store at wisc.edu
DNA of Brad's introductory physics class (Spring 2022)
Star grading system:
Here's the entire syllabus for the spring 2022 semester of PHYS 105: Survey of Physics II for life science majors:
Specifications grading:
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