How Neon Signs Work – The Science Behind the Glow

· 1 min read
How Neon Signs Work – The Science Behind the Glow


These colorful signs have been lighting up streets for decades. But have you ever wondered what gives them their glow? It’s all about the gas inside and the electric current flowing through it.

**Gas and Electricity: The Basics**

Neon signs start with a glass tube containing a specific gas. When an electric current passes through this tube, it interacts with the gas atoms. Different gases result in different colors.

- **Neon Gas**: Emits a bright red or orange light.
- **Argon Gas with Mercury**: Gives off a blue hue.

**The Durability of Neon Signs**

The design of neon signs makes them durable. The quality of neon signs means they remain functional for many years. Their longevity has kept neon signs relevant.

**LED Neon: A Modern Alternative**

Many businesses are switching to LED neon signs. These signs mimic the look of traditional neon but are made with LED strips. LED neon is energy-efficient, durable, and versatile.

**The Cultural Significance of Neon Signs**

Beyond advertising,  neon sign s have cultural significance. Cities like Las Vegas and New York are famous for their neon lights. Many people want to keep neon signs as part of cultural heritage.