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Activating the second platform6 hints left
Panels at an angle! Now we've seen everything.

Does the angle change anything?

The pellet will still enter portals on the panels - but they'll emerge at a 45 degree angle, as seen below.

Hmm...

Note the scorch mark on the left.


A pellet that hits the angled panels will bounce off it in a predictable direction.

Help me out.

Shoot a portal at the scorch mark, and another at the same spot on the opposite side of the room.

When the pellet hits the ramp, it'll go through the portals and hit the other - then end up in the activation hole.

How do I get out?

The panels near the ceiling helped, but they weren't necessary.

Huh?

If there's portal-friendly surfaces around, you can create momentum all by yourself.
Create a portal near the ceiling, and another on the ground. Jump through the one on the ground, then make another portal beneath your feet before you land.

Guide help

This is the low-spoiler guide for "Activating the second platform" puzzle in Portal. Unlike in normal walkthrough, you get gradual hints on how to solve the puzzle. Click the big button below to see your first hint. If the hint contains a spoiler, you will be warned about it before clicking.

Up to "Test Chamber 15"
Hints written by Kieron West
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