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Faculty + Staff

Yifei
Ma
Assistant Professor

Dr. Ma earned his BS and MS degrees in Structural Engineering from Tsinghua University, Beijing, China, and Tongji University, Shanghai, China, respectively. Shortly after graduation, he joined the geosystems group at Georgia Institute of Technology and earned his Ph.D. degree specializing in geomechanics.

Prior to joining Lawrence Tech, Dr. Ma worked for two years as a postdoc in the School of Civil and Construction Engineering at the Oregon State University. He has a strong research interest in the development of numerical techniques and computational models for geotechnical engineering applications. Emphasis is placed on the static and dynamic properties of soils/rocks, theoretical and computational geomechanics, multiphysics and multiscale problems in energy recovery, granular flow, safety and reliability of infrastructures, and machine-geomaterial interactions.

» Document Viewer

Use Your Cell Phone as a Document Camera in Zoom

  • What you will need to have and do
  • Download the mobile Zoom app (either App Store or Google Play)
  • Have your phone plugged in
  • Set up video stand phone holder

From Computer

Log in and start your Zoom session with participants

From Phone

  • Start the Zoom session on your phone app (suggest setting your phone to “Do not disturb” since your phone screen will be seen in Zoom)
  • Type in the Meeting ID and Join
  • Do not use phone audio option to avoid feedback
  • Select “share content” and “screen” to share your cell phone’s screen in your Zoom session
  • Select “start broadcast” from Zoom app. The home screen of your cell phone is now being shared with your participants.

To use your cell phone as a makeshift document camera

  • Open (swipe to switch apps) and select the camera app on your phone
  • Start in photo mode and aim the camera at whatever materials you would like to share
  • This is where you will have to position what you want to share to get the best view – but you will see ‘how you are doing’ in the main Zoom session.