Famous Everyday Products Invented for War

6 Famous Products That Started as Wartime Inventions.

INVENTIONS

Staff Writer

5/30/20252 min read

From the battlefield to your kitchen drawer.
Many of the everyday products we rely on today were originally designed for war. Invented to solve urgent problems for soldiers, these items found second lives as household staples — proof that innovation often comes from necessity.

Here are 6 famous products that started as wartime inventions.

1. Duct Tape 🩹

During World War II, soldiers needed a waterproof tape to seal ammunition cases. Johnson & Johnson created a strong, cloth-backed tape that resisted water and mud. Soldiers soon discovered it was handy for fixing just about everything, from equipment to vehicles. After the war, it was adapted for home use — and duct tape became the ultimate household fix-all.

2. Microwaves

While working on radar technology in WWII, engineer Percy Spencer noticed a candy bar in his pocket had melted. Curious, he tested popcorn kernels, which popped immediately. This discovery led to the development of microwave ovens. What started as military radar research became one of the most common kitchen appliances in the world.

3. Super Glue 🔗

In 1942, chemist Harry Coover was trying to develop clear plastic for gun sights. Instead, he created a sticky substance that bonded almost instantly to anything it touched. It was set aside as impractical — until years later, when its potential as a household adhesive was realized. Super Glue was even used during the Vietnam War to temporarily close battlefield wounds.

4. Jeep 🚙

The Jeep wasn’t designed as a family car. In WWII, the U.S. Army needed a light, durable, all-terrain vehicle. The result was the Jeep, nicknamed the “workhorse of World War II.” After the war, its rugged design appealed to civilians, and it became one of the most iconic vehicles in American history.

5. Nylon 🧦

Nylon was developed just before WWII as a substitute for silk, which was used in parachutes and rope. When war broke out, nylon stockings disappeared from store shelves as production shifted to military supplies. After the war, nylon revolutionized fashion, making stockings, clothing, and even toothbrush bristles affordable and durable.

6. Canned Food 🥫

Though technically older, canned food became vital during wartime. Originally developed in the 1800s for Napoleon’s army, the practice of preserving food in cans became crucial in both World Wars to feed troops. Today, canned goods are a pantry staple around the world.

Proof War Fuels Innovation

Historians note that many major consumer products were wartime spinoffs. Military challenges — from keeping food fresh to repairing equipment — sparked inventions that later transformed everyday life.

From duct tape to microwaves, wartime necessity gave us innovations we still use daily. While born in conflict, these products now serve peace, convenience, and everyday problem-solving.

Next time you fix something with duct tape or heat up leftovers in the microwave, remember: you’re using a tool originally designed for the battlefield.

a woman in a turban is driving a car
a woman in a turban is driving a car

Famous Everyday Products Invented for War (Duct Tape, Microwaves & Super Glue)