Have you ever experienced that the train in which you sit appears to move when it is at rest ? Why ?

Have you ever experienced that the train in which you are sitting appears to move while it is at rest ? Discuss and share your experience.

Have you ever experienced that the train in which you are sitting appears to move while it is actually at rest ? If yes, explain why. What do you learn from this experience ?

Have you ever observed the duration of anger ?

Have you ever experienced the affection that a dog/cat shows towards you?

Have you ever observed details in the prescription ?

Have you ever heard of mobile malware?