I am in the 1970s facility right now right after you hear Cave Johnson talking about combustible lemons :P at the start of a chamber that looks like this: screenshot

So I started exploring and found out that I need to make it to this platform: screenshot

...to be able to make use of the steady stream of repulsion gel up there. Only problem is I can't seem to find a single way to get up there. I have tried again and again and again so if anyone knows how to do this please let me know! Thanks!


I think the feeling of succes will be greater when you've solved it yourself. But that's just me. If you really want to know, watch this video:

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    This answer will lose its usefulness if the video ever disappears. To fix that, consider summarising the relevant steps in text, behind a spoiler tag if you like. (Spoiler tags are created by starting a line with >! .) – SevenSidedDie Oct 15 '13 at 14:51

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