deletions | additions       diff --git a/Acknowledgements.tex b/Acknowledgements.tex  index d43d549..9dfcaba 100644  --- a/Acknowledgements.tex  +++ b/Acknowledgements.tex 
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\begin{acknowledgments}  who We would first like to thank Dana Parsons for setting up the equipments and guiding us through the lab process. We also would like to express our gratitude to Professor Nat Fortune for helping us when we  are your thankful for?  \cite{Rapior_2006} confused about our experiment. Finally, we also want to thank Professor Will Williams for helping us to understand the physics behind Franck Hertz experiment.  \end{acknowledgments}