Hard Light Bridge

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The Hard-Light Bridge as it appears in Portal 2.
These bridges are made from natural light that I pump in from the surface. If you rubbed your cheek on one, it would be like standing outside with the sun shining on your face. It would also set your hair on fire, so don't actually do it.
GLaDOS

A Hard Light Bridge (simply known as a Light Bridge,) is a semi-translucent solid made from natural sunlight beamed in from the Earth's surface. It can act as a bridge for the player, a shield against turrets and other hazards, or even a wall for more complex puzzles the player encounters later on.

The bridges span an infinite length or until stopped by another solid... Although the bridge is made of light, if one portion of the bridge is stopped by a solid object the rest will not continue as a beam of light normally would.

Interactions

Hard-Light Bridges can be redirect with portals. Hard Light Bridges emerging from odd portals are orthogonal to them. Also, portals need to be in center with the bridge if trying to get it to another place, otherwise it won't pass through.

Chell, P-body, Atlas can adjust placement of the even portals slightly after redirection of Hard-Light Bridges with portals while standing on them in some situations...

Chell, P-body, Atlas can adjust placement of the odd portals after redirection of Hard-Light Bridges with portals while standing on them in most situations...

Portals pass through Hard-Light Bridges.

Hard-Light Bridges can also be covered in Mobility Gels[citation needed] (Repulsion Gel, Propulsion Gel), allowing the player to use the gels in places where it normally would just fall through. Gels placed on Hard-Light Bridges are not permanent and disappears the moment the bridge dissipates or moves to a different location or when Atlas and P-body die.

A Hard Light Bridge will prevent the Sentry Turret from even detecting the enemy.

Appearances

Portal 2 Single-Player Campaign

Portal 2 Multi-Player Campaign

Sixense MotionPack DLC

Gallery

Videos

The Hard Light Bridge as it appears in Chamberlock informational videos.

Trivia

Related achievements

Portal 2

Can't Touch This
Can't Touch This
Dance in front of a turret blocked by a hard light bridge in co-op
Bridge Over Troubling Water
Bridge Over Troubling Water
Complete the first Hard Light Bridge test
Empty Gesture
Empty Gesture
Drop your co-op partner in goo while they are gesturing by removing the bridge under them