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--- courses:phy100:3 [2023/06/21 12:22] – [2. Color] asad
+++ courses:phy100:3 [2023/06/22 11:41] (current) – [5. Seeing the invisible] asad
@@ Line 90: / Line 90: @@
 ===== - eVscope and eQuinox =====
-In this course, you will use an eQuinox telescope made by Unistellar for your final project. Unistellar makes two models: eVscope and eQuinox. The eVscope has live projection system in place of an eyepiece so that people can have sneak-peek of what the telescope is observing. The eQuinox does not have any eyepiece or live projection system. Both models work in a similar way. The telescope creates a WiFi network that you connect using your phone. Then you can open the 'Unistellar' app on your phone and control and move the telescope using the app. The field of view of the telescope always visible on the app and you can capture an image whenever you want.
+In this course, you will use an eQuinox telescope made by Unistellar for your final project. Unistellar makes two models: eVscope and eQuinox. The eVscope has a live projection system in place of an eyepiece so that people can have a sneak-peek of what the telescope is observing. The eQuinox does not have any eyepiece or live projection system. Both models work in a similar way. The telescope creates a WiFi network that you connect to using your phone. Then you can open the 'Unistellar' app on your phone and control and move the telescope using the app. The field of view of the telescope is always visible on the app and you can capture an image whenever you want.
 {{:courses:phy100:evscope.jpg?nolink|}}
@@ Line 105: / Line 105: @@
 ===== - Seeing the invisible =====
-There are light waves beyond ultraviolet at the high-frequency end and beyond infrared at the low-frequency end. Heinrich Hertz detected such a wave for the first time and named 'x-ray' as it was unknown as of then. Later many more '**invisible**' light waves have been found. We use microwave light for heating our food and watching TV and we use radio waves for all kinds of wireless communication and the all-important Global Positioning System (GPS).
+There are light waves beyond ultraviolet at the high-frequency end and beyond infrared at the low-frequency end. Heinrich Hertz detected such a wave for the first time and named it 'x-ray' as it was unknown then. Later many more '**invisible**' light waves have been found. We use microwave light for heating our food and watching TV and we use radio waves for all kinds of wireless communication and the all-important Global Positioning System (GPS).
 {{:courses:phy100:waves.jpg?nolink&500|}}