diff --git a/enter/5 Min Quantum Mechanics.md b/enter/5 Min Quantum Mechanics.md
index 7d7d2ce..86ca395 100644
--- a/enter/5 Min Quantum Mechanics.md	
+++ b/enter/5 Min Quantum Mechanics.md	
@@ -92,4 +92,25 @@ Get your tablet and start writing down concepts & equations to explain it in sim
 37. what is chemistry
 38. what is biology 
 39. what is economics 
-40. what is constrc
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+40. what is construction 
+41. what is a house 
+42. what is a vehicle 
+43. what is path planning 
+44. what is a cloud 
+45. what is solar energy 
+46. what is nuclear energy 
+47. what is wind energy 
+	- solar energy in motion 
+	- but there is path planning involved
+	- as well as clouds 
+48. what are dimensions part 2 
+49. what is time 
+50. what is a clock 
+51. what is an instrument 
+52. what is a computer part 3 
+53. what is a machine 
+54. what is quantum mechanics 
+55. 
+
+
+56. 
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