That's a great scene. I mostly remember it for the exchange the two had after they finished modding the game and it worked [0]:

Red: "Congratulations, son! You have seen the future!"

Kelso: "Yeah, yeah, you're so right, Red! Home computers! That is the future!"

Red: "No, no, no. Not computers! Soldering! The future is soldering! [...]"

How often do we try to extrapolate from current technological improvements to predict the future, yet fail to grasp which changes are truly important.

[0] https://tvshowtranscripts.ourboard.org/viewtopic.php?f=936&t...