How does a copper bulb work in Minecraft?

In October 2023, Mojang hosted their annual Minecraft Live show, where they showcased all the new updates and features their games will be getting.

My Suggestions for Copper Additions and Changes in Minecraft 1.21

Copper Bulbs are so helpful. This resolve's the Observer's double

Button Selector Panel using the new Copper Bulbs : r/redstone

Minecraft 1.21: Release Date, New Mobs, Biomes, and More

How To Use Copper Bulb In Minecraft Java & Bedrock

NEW Copper Bulbs in 1.21 Minecraft! #news #minecraftlive #1.21

New copper crafting recipes!! : r/Minecraft

How Does the Copper Bulb Work in Minecraft? Explained

Compact Logic circuits in minecraft! : r/Minecraft

Read/Write memory using new the copper bulb : r/redstone

copper bulb allows more compact binary counters : r/redstone

I made an HD whit the new copper bulb and a new way to transmit