Edit: I remembered some more from the past:
- First Boston Dynamics Atlas videos.[0]
- First successful Falcon 9 landing[1].
- A video explaining how the Curiosity landing will be done and then watching the stream when it happened.[2]
- The concurrent landing of two Falcon Heavy boosters on land.[3]
[0] https://www.youtube.com/watch?v=rVlhMGQgDkY
[1] https://www.youtube.com/watch?v=ANv5UfZsvZQ
My wild guess for the next 5 years is that we'll have Stable Diffusion with the ability to create NeRF scenes.
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I just remembered another example of hearing about something that seemed like pure magic:
Reconstructing what a person is seeing out of their fMRI scan (2011): https://www.youtube.com/watch?v=nsjDnYxJ0bo
That first week of DeepDream images flooding the web showed me that someone had snuck a can of worms onto the table, and while they had graciously not opened it immediately, they had maybe cracked the lid just a bit