research facility

Tokamak fusion reactor interior

1500 × 1036

Large Hadron Collider interior

3547 × 2466

Large Hadron Collider detector

3872 × 2592

Black Mesa Research Facility logo

1440 × 900

Black Mesa Research Facility sign

1728 × 1080

Black Mesa Research Facility logo

1370 × 747

Black Mesa Research Facility logo

1600 × 1200

Black Mesa Research Facility logo

3000 × 2400

Large radio telescope dish

1600 × 1000