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A prism refracts light into a spectrum of orange and tan shades, accompanied by a remote control, a TV antenna, and swirling shapes.

Think you're an expert? Attack these invisible light quizzes & prove your worth.

Light & Optics

ZapStacks

5

Zaps

100

Beyond the rainbow lies a spectrum you can't see but can't ignore. From Herschel’s thermal trap to the burn of UV rays, these waves carry the heavy lifting of modern physics. Your eyes fail here, but your brain can’t. Track the frequencies or get left in the dark.

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ZapStacks

Stylized deep-sea creatures including a jellyfish, an anglerfish, and coral in a geometric design.
Bioluminescence
20 Zaps · Hard
A black network switch with multiple orange and cream cables fanning out from it and an ethernet cable plugged into its side.
Fiber Optics
20 Zaps · Medium
A prism refracting light rays, a thermal camera, and two remote devices emitting signals.
Infrared Light
20 Zaps · Medium
A geometric composition of a sun, a magnifying glass over a zigzag line, and various abstract shapes in shades of orange, tan, and black.
Ultraviolet Light
20 Zaps · Medium
A stylized graphic featuring a vacuum tube, a rib cage, an X-ray photo, and an atomic model.
X-Rays
20 Zaps · Hard

More ZapCores in Light & Optics

Interlocking geometric shapes including faceted cylinders and rings in black, tan, and orange-brown.
A cluster of astronomical instruments including two telescopes, a scroll with a diagram, and a camera-like device.
A flashlight shines a thick orange zigzag beam through a magnifying glass and a prism, splitting into multiple orange and tan lines.
Stylized graphic featuring a sun, a prism with light rays, a magnifying glass, and a scroll with a technical drawing.