Born on the battlefield

From foxholes to fashion: 10 wartime innovations you can’t live without

Image: Евгений Новиков

Since time immemorial, conflict and the urgent necessities of war have driven rapid innovation. Many everyday products trace their origins back to military needs. From wristwatches to instant coffee, items that once kept soldiers alive, efficient, or comfortable now fill our kitchens, closets, and offices. Here are 10 objects with surprisingly martial origins.

Image: Paul Bright

Now a ubiquitous fabric present in everything from clothes to carpets, nylon debuted in WWII as a replacement for scarce silk in parachutes, ropes, and tire cords.

Its lightweight durability made it indispensable for military supplies. After the war, nylon quickly transitioned into civilian life, with stockings becoming its first big hit.

Image: Marcus Urbenz

First patented in the late 19th century, zippers gained traction during WWI as fasteners for military uniforms and gear. Buttons proved slower and less reliable under battlefield conditions, making zippers a more efficient choice.

The military’s adoption helped standardize their use, and after the war, zippers spread rapidly into civilian clothing, luggage, and countless household items.

Image: Calle Macarone

In 1795, Napoleon offered a prize for a food preservation method that could feed his armies on long marches without risk of spoilage.

Nicolas Appert, a French confectioner, spent 15 years experimenting before developing a process of sealing food in glass jars and heating them to sterilize the contents. Appert received the prize in 1810, and before long, the technique was adapted to tin cans, which soon found their way into military rations.

Image: Amr Taha™

A precursor to modern instant coffee appeared during the American Civil War as a concentrated coffee, milk, and sugar mixture called Essence of Coffee. Soldiers mixed a teaspoon with hot water, but many complained it had the consistency of axle grease (yikes!).

In the decades that followed, the concept was refined, and by WWI and WWII, the U.S. military was mass-issuing instant coffee to troops for convenience and morale. Civilian popularity grew alongside military adoption.

Image: Bryan Angelo

During WWI, officers found pocket watches impractical during fast-paced and unpredictable combat conditions. Many soldiers began strapping them to their wrists for quick time checks, turning a personal improvisation into a battlefield necessity.

The first true wristwatches were designed specifically for this purpose, and the term "trench watch" soon became common. Surprisingly, these early designs already featured enduring innovations, such as luminous dials for nighttime visibility.

Image: Roman

When the U.S. entered WWII, the Army invited more than 130 companies to develop prototypes for a lightweight, four-wheel-drive reconnaissance vehicle; only Bantam and Willys-Overland responded. The resulting Willys MB "Jeep" proved rugged, versatile, and indispensable to soldiers.

After the war, surplus Jeeps hit civilian markets, sparking the off-road craze and laying the groundwork for modern SUVs.

Image: Markus Winkler

Instant noodles were inspired by post-WWII food shortages in Japan. Momofuku Ando, founder of Nissin Foods, invented them in 1958 as a quick, affordable, and portable meal, ideal for a country struggling with limited food supplies.

The noodles were flash-fried to remove moisture, making them lightweight and long-lasting. The concept was influenced by military-style rations, designed for easy storage and preparation.

Image: aaron boris

Zippo lighters were standard issue for U.S. troops in WWII and Vietnam, valued for their windproof flame and reliability in harsh conditions. Throughout the conflicts, the company devoted its full production capacity to meeting military demand.

Afterward, the iconic design and dependability spoke for themselves, turning Zippos into a pop culture symbol of ruggedness among civilians.

Image: Lacey Raper

Specially designed in the 1930s for British paratroopers, cargo pants featured extra pockets for maps, ammunition, and essential supplies, allowing soldiers to carry gear hands-free during airborne operations.

The practical design proved so effective that it was widely adopted by other Allied forces throughout WWII. After the war, the durable pants transitioned into civilian life as reliable workwear for laborers, hikers, and adventurers.

Image: Devin Rajaram

While freeze-drying, or lyophilization, has been known for centuries—the Inca were freeze-drying potatoes as early as the 13th century—it wasn’t until WWII that a commercially viable process was developed.

The military needed a way to preserve blood plasma and penicillin for soldiers in harsh battlefield conditions, where refrigeration was a rare luxury. This demand drove the development of modern freeze-drying techniques, which are still used today for food, medicine, and scientific materials.

Freeze!

Why do we say "cop"? Learn the meaning of 12 law enforcement terms

Image: Michael Förtsch

As with any other field, law enforcement has its own lingo, and each of those words has a story and an origin. Terms like cop, sheriff, or warrant didn’t just appear out of thin air; they developed from older languages, professions, and practices that shaped how justice was carried out. Here’s a look at 12 familiar law enforcement words and where they originally came from.

Image: Fred Moon

The word cop comes from the verb "to cop," which meant to seize or capture in 18th-century English. Early police officers were the ones who literally "copped" criminals, making the term a natural fit.

Over time, it became a common nickname for law enforcement. Though once slang, "cop" is now widely used in both casual conversation and pop culture.

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This word comes from the Old English term scīr-gerefa, meaning "shire reeve." The sheriff was originally a royal official in charge of law and order in a county—a role dating back to medieval England.

The title traveled to America with English settlers, where sheriffs became elected figures. Today, they still serve as local justice, particularly in rural or county jurisdictions.

Image: Valeriy Isaev

The word marshal began in medieval Europe, combining German roots for "horse" and "servant." It originally referred to someone in charge of stables and horses.

Over time, the term evolved to mean a high-ranking official or commander. In the United States, the term was adopted for federal law officers, U.S. Marshals, giving the old word a new life in law enforcement.

Image: Markus Winkler

From the Latin term detegere, "to uncover," detective entered English in the mid-1800s. It described officers whose main role was to expose hidden truths or solve crimes.

Detectives gained cultural fame through novels and stories, from Sherlock Holmes to modern thrillers.

Image: Salah Ait Mokhtar

Another word with ancient roots, warrant comes from Old French garant, linked to "guarantee" or "protector." It described something that gave assurance or authority.

In law, a warrant became the official document authorizing arrests or searches. Today, the word still signifies official permission.

Image: Ye Jinghan

The word bail dates back to the Old French term baillier, meaning "to deliver or hand over." In medieval times, it meant entrusting someone to another’s care.

In courts, bail became the system of releasing a prisoner on condition that they return, usually backed by money.

Image: Grant Durr

Another word with similar roots to the previous ones is jail, which comes from the Old French jaiole, meaning "cage."

As legal systems developed, jails came to refer to local facilities used for short-term custody.

Image: R.D. Smith

Derived from the Old French term felonie, meaning wickedness or treachery, felony described the gravest crimes in medieval law. Such acts could result in loss of property or even execution.

In modern times, the word has narrowed to refer to serious crimes such as murder or robbery. It still conveys weight and severity, reflecting its roots in the harsh punishments of earlier justice systems.

Image: Wesley Tingey

A word often heard in police and crime series, misdemeanor comes from the Old French term demener, meaning "to conduct oneself." It originally referred to bad or improper behavior in general, not always tied to crime.

As legal codes evolved, it became the category for lesser offenses, distinct from felonies. Today, it describes small breaches of the law.

Image: Tingey Injury Law Firm

Many legal terms come from Latin, and subpoena is one of them. It derives from the Latin phrase sub poena, meaning "under penalty"—that is, you are summoned to appear in court or face punishment.

The word remains unchanged in law today. Outside of courts, it is sometimes used figuratively, but it carries a sense of obligation backed by serious consequences.

Image: Rai Singh Uriarte

Alibi comes straight from Latin, meaning "elsewhere." It originally referred to proof that someone was in another location at the time of a crime, making guilt impossible.

Over time, the term entered common speech as a synonym for an excuse. Today, people often use it casually for reasons not related to the law.

Image: Rajesh Rajput

The last term on the list also derives from Latin. Convincere means "to prove guilty." Convict originally referred to the act of demonstrating guilt in a trial.

Over time, the meaning shifted to describe the individual found guilty. Today, convict commonly refers to someone serving a sentence, but its roots lie in courtroom proof of wrongdoing.