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HISTORY VAULT

Some activities occur only when the world is dark; fishermen use lights to lure squid to their nets; finding night crawlers in Toronto; military night-vision gear; police helicopter's Spectrolab spotlight; baseball stadium.

Modern Marvels

Night

How distance, time, speed, weight and temperature are measured; weighing a whale; how a speedometer works; the National Institute of Standards and Technology; measuring tapes made by Stanley Tools.

Measure It

Whether humans have the ability to possess superpowers; a man can strap on an exoskeleton and lift hundreds of pounds with little effort; Mr. Cyborg can control machines with his thoughts; flying like Superman.

Super Human

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HISTORYCHANNEL

The evolution of technology; how things now considered obsolete worked such as the typewriter, VCR, analog TV, vinyl record, film camera and brick-sized mobile phone, as well as products that superseded them.

Retro Tech

Celebrate the ingenuity and imagination found in the world around us. 24/7 episodes of Modern Marvels, television's most innovative series.

Americans visit car washes 2 million times per day at an annual cost of $25 billion; how car washes are built to clean, ranging from tunnel systems to in-bay automatics; visiting the biggest car wash facility in the United States.

Car Wash

Salt is a versatile substance with 14,000 known uses; visiting a salt mine under Lake Erie; an evaporation facility harvests ocean salt near San Francisco; a Florida restaurant offers 40 varieties of salt.

Salt

The turkey is the centerpiece of Thanksgiving dinners and one of the dumbest birds in the animal kingdom, but it has managed to survive since the dinosaurs; Butterball factory; turkey hunting; dining on turkey testicles and eggs.

The Turkey

A celebration of the horse, the animal that helped mankind change the world; the thoroughbred racing industry in Kentucky; how a Minnesota logging company uses real horsepower; a Colorado program pairs horses and prison inmates.

The Horse

The celebration of Halloween has become a $6 billion economic powerhouse; the annual Halloween Haunt at Knott's Berry Farm; the production of monster makeup, masks and costumes; carving pumpkins; making fake blood; haunted house.

Halloween Tech

Examining how frequently experts in various disciplines can hit their targets, including archers, sharpshooters and even a billiards player; the ancient world's ballista and trebuchet weapons; knife thrower; Cirque du Soleil's daring artists.

Bulls-Eye

America's aging infrastructure is in danger of collapse due to corrosion, according to engineers; technology for battling corrosion; harnessing the destructive power of decomposition.

Corrosion & Decomposition

Mankind makes use of lead, a versatile but toxic metal, for 6,000 years; mining; car battery factory; specialists remove harmful lead objects from homes and businesses; lead makes crystal sparkle.

Lead

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Stories of those who believed in dreams and defied the commonplace with their extraordinary creations; covering some of the world's architectural and engineering structures, scientific inventions, and social wonders.

S14 E38 | Measure It