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๐Ÿ“ผ Why Did VHS Beat Betamax? The Format War That Changed Everything

Sony’s Betamax, despite superior technology, lost to JVC’s VHS due to strategic licensing, lower costs, and consumer preferences. VHS’s wider adoption and convenience in video rentals led to its dominance by the mid-1980s, leaving Betamax as a nostalgic relic.

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VHS vs Betamax

In the early days of home video, two formats went head-to-head to win your living room: Sonyโ€™s Betamax and JVCโ€™s VHS. On paper, Betamax was the better technologyโ€”sharper picture, better tape quality, and a head start on the market. So why did VHS win?

The answer isnโ€™t just about resolutionโ€”itโ€™s about strategy, licensing, and consumer habits. And itโ€™s the subject of one of the first episodes in our brand-new video series: The Knowledge, now streaming on STM Daily News and our YouTube Shorts, TikTok, and Reels channels.

๐ŸŽž๏ธ The Battle for Your VCR

Sony launched Betamax in 1975, positioning it as the premium option for recording and watching video at home. It offered higher resolution than VHS, and for a brief moment, it dominated the emerging home entertainment market.

But then came JVCโ€”and a very different approach.

While Sony kept tight control over Betamax, JVC opened up VHS to dozens of manufacturers, creating a flood of compatible machines and tapes. VHS also offered longer recording times, letting users record full movies and sports games without switching tapes.

And perhaps most importantly? VHS was cheaperโ€”both the tapes and the players. As more companies adopted VHS, video rental stores stocked up accordingly, and Betamax quickly lost shelf space and market share.

By the mid-1980s, the war was over. VHS became the standard, and Betamax faded into tech nostalgia.

๐ŸŽฅ Watch the Full Story in 60 Seconds

Our short-form video series, The Knowledge, is all about sharing bite-sized but impactful stories that explain how we got from then to now. The companion episode, โ€œWhy Did VHS Beat Betamax?โ€, is part of our subseries The Evolution of Video Toolsโ€”where we explore the game-changing devices and platforms that transformed content creation.

๐ŸŽž๏ธ Why Did VHS Beat Betamax? | The Evolution of Video Tools

๐Ÿ“บ Watch it now on:

STM Daily News YouTube Shorts TikTok @stmdailynews Instagram Reels @stmdailynews

๐Ÿ“š What is The Knowledge?

The Knowledge is STM Daily Newsโ€™ new educational video series made for the scroll-happy but truth-hungry viewer. In 30 to 90 seconds, we uncover:

Forgotten inventors Behind-the-scenes tech stories Cultural turning points Historical events that still shape us today

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New episodes drop weekly.

Follow us and subscribe to keep your facts straight and your curiosity fed.

๐Ÿง  Now you know.

โ€” STM Daily News

Dive into “The Knowledge,” where curiosity meets clarity. This playlist, in collaboration with STMDailyNews.com, is designed for viewers who value historical accuracy and insightful learning. Our short videos, ranging from 30 seconds to a minute and a half, make complex subjects easy to grasp in no time. Covering everything from historical events to contemporary processes and entertainment, “The Knowledge” bridges the past with the present. In a world where information is abundant yet often misused, our series aims to guide you through the noise, preserving vital knowledge and truths that shape our lives today. Perfect for curious minds eager to discover the ‘why’ and ‘how’ of everything around us. Subscribe and join in as we explore the facts that matter.ย ย https://stmdailynews.com/the-knowledge/

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Terminal Island: The Untold Story of Los Angeles Harborโ€™s Forgotten Community and Industrial Giant

Discover the remarkable history of Terminal Island in Los Angeles Harborโ€”from its thriving Japanese American fishing village to World War II shipbuilding and todayโ€™s global shipping hub.

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Terminal Island in the background, and Mormon Island in the foreground, sometime before 1942. Image Credit: U.S. National Archives and Records Administration
Terminal Island in the background, and Mormon Island in the foreground, sometime before 1942. Image Credit: U.S. National Archives and Records Administration

Whenever I think about Terminal Island, my mind immediately goes back to childhood trips with my parents to San Pedroโ€™s Fishermanโ€™s Wharf. Those visits were some of my favorite family outings. Weโ€™d walk along the waterfront while my parents picked up fresh crab, shrimp, fish, and occasionally shellfish. The smells of the ocean, the sound of fishing boats, and the towering presence of the Vincent Thomas Bridge left a lasting impression on me long before I understood the incredible history hidden just beyond the docks.

As a child, I simply saw ships, cranes, and bridges. It wasnโ€™t until years later that I learned Terminal Island had once been home to one of Southern Californiaโ€™s most vibrant immigrant communitiesโ€”and that much of it disappeared almost overnight during World War II.

Today, Terminal Island stands at the crossroads of history, commerce, and remembrance.

From Sandbar to Strategic Harbor

Terminal Island wasnโ€™t always an island as we know it today. Originally a marshy stretch of land in San Pedro Bay, it was reshaped through decades of dredging and engineering projects that transformed Los Angeles Harbor into one of the worldโ€™s busiest ports.

As railroads arrived in the late 1800s, the island became a gateway for commerce. Warehouses, rail terminals, and docks expanded rapidly, laying the foundation for the economic powerhouse that would eventually emerge.

The Village That Built an Industry

In the early 1900s, Japanese immigrants established a thriving fishing village along Fish Harbor.

Families built homes, schools, churches, markets, and businesses while creating a close-knit community unlike any other in Southern California. Many residents came from Japanโ€™s Wakayama Prefecture, bringing generations of fishing knowledge with them.

Their expertise helped build Californiaโ€™s tuna fishing industry into one of the largest in the nation. Long before canned tuna became a pantry staple across America, many of the fishermen of Terminal Island were helping shape the industry that made it possible.

The community even developed its own distinctive blend of Japanese and English known as โ€œTerminal Island lingo,โ€ reflecting the unique culture that flourished there.

A Community Lost

Everything changed after the attack on Pearl Harbor on December 7, 1941.

Within weeks, Terminal Island became the first Japanese American community in the United States to be forcibly removed.

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Residents were given little time to leave their homes.

Many men were arrested first under suspicion simply because of their ancestry. Families were separated. Businesses were abandoned. Eventually, nearly every house in the village was demolished.

For many residents, there was nothing to return to after the war.

Today, the story of Terminal Island serves as a powerful reminder of how fear and prejudice can overwhelm constitutional rights during times of national crisis.

Building Victory

As one community disappeared, another chapter began.

Terminal Island became one of Americaโ€™s great wartime industrial centers.

Shipyards worked around the clock constructing destroyers, cargo ships, and support vessels for the Allied war effort. Thousands of workersโ€”including many African Americans who had migrated west seeking defense jobsโ€”helped build and repair ships that crossed the Pacific.

The island became a symbol of American industrial strength, contributing directly to victory during World War II.

The Bridge That Became an Icon

In 1963, the opening of the Vincent Thomas Bridge forever changed the harbor skyline.

The graceful green suspension bridge connected San Pedro with Terminal Island, replacing ferry service and improving access to the growing port.

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For many Southern Californiansโ€”including myselfโ€”the bridge became more than just a transportation link. It was a landmark that signaled you were entering one of the hardest-working waterfronts in America.

Every crossing offered sweeping views of ships arriving from around the world, reminding visitors that Los Angeles Harbor is one of the nationโ€™s most important economic engines.

Terminal Island Today

Modern Terminal Island bears little resemblance to the fishing village that once stood there.

Today it is home to massive container terminals, rail yards, ship repair facilities, Coast Guard operations, federal facilities, and the Federal Correctional Institution. Together with the neighboring Port of Long Beach, the Port of Los Angeles moves millions of cargo containers every year, supporting jobs and businesses across the United States.

The island remains essential to global trade while quietly preserving memories of the people who first called it home.

Remembering the Whole Story

Terminal Island is more than an industrial center.

It represents the American dream of immigrants who built thriving businesses through hard work.

It reminds us of the injustice experienced by Japanese American families during World War II.

It showcases the extraordinary industrial effort that helped win a global conflict.

And it demonstrates how one small piece of land helped shape the economy of Southern California and the nation.

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The next time you cross the Vincent Thomas Bridge or see the towering cranes along the harbor, remember that beneath todayโ€™s shipping terminals lies a story of resilience, sacrifice, innovation, and hope.

Sometimes the most important history isnโ€™t found in famous landmarksโ€”it lives in the places we pass every day without realizing what came before.

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๐Ÿง  Discover the remarkable innovators, inventors, and trailblazers who helped shape our world but rarely receive the recognition they deserve. Share your thoughts in the comments and subscribe to the STM Daily News newsletter to catch every new Forgotten Genius Friday feature and more inspiring stories delivered to your inbox.

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STM Blog

From Hand Signals to Smart Crosswalks: The Evolution of the Modern Pedestrian Signal

Discover the history of the modern pedestrian signal, from Garrett A. Morganโ€™s groundbreaking traffic signal to todayโ€™s smart, accessible crosswalks.

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Last Updated on July 12, 2026 by Daily News Staff

The Evolution of the Modern Pedestrian Signal

Every day, millions of people rely on pedestrian signals to cross busy street safely. A glowing white walking figure, an orange-red hand, and a countdown timer have become familiar sights around the world. While these signals may seem like simple pieces of infrastructure, they are the result of more than a century of innovation, engineering, and public safety improvements.

The modern pedestrian signal did not appear overnight. Instead, it evolved through the contributions of inventors, engineers, city planners, and transportation officials who continually refined traffic control systems as cities grew and automobiles became more common.

The Early Days of Traffic Control

Before electric traffic signals, intersections were controlled by police officers, railway-style semaphores, or even hand signals. As horse-drawn wagons gave way to automobiles in the early 1900s, traffic congestion and accidents increased dramatically, creating an urgent need for better traffic management.

One of the earliest electric traffic lights was installed in Cleveland, Ohio, in 1914. It used red and green lights and was manually operated. While it improved vehicle movement, pedestrians still had to judge for themselves when it was safe to cross.

How the Modern Pedestrian Signal Changed the Way We Cross Streets

Garrett A. Morganโ€™s Breakthrough

One of the most important milestones came in 1923 when inventor and entrepreneur Garrett Augustus Morgan received U.S. Patent No. 1,475,024 for an improved traffic signal.

Morganโ€™s design introduced a third position in addition to โ€œStopโ€ and โ€œGo.โ€ This intermediate phase temporarily stopped traffic in every direction before allowing vehicles to proceed. The brief pause reduced confusion at intersections and provided additional time for pedestrians to cross safely.

Morgan reportedly developed his design after witnessing a serious traffic accident. His invention demonstrated how thoughtful engineering could improve public safety while making increasingly busy streets more efficient.

Although Morgan did not invent the illuminated โ€œWALKโ€ and โ€œDONโ€™T WALKโ€ pedestrian signal used today, his three-position signal became a foundational step in the evolution of modern traffic control.

The Birth of Dedicated Pedestrian Signals

As cities expanded after World War II, pedestrian safety became an even greater concern. More people were walking in increasingly crowded downtown districts, and separating pedestrian movements from vehicle traffic became a priority.

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During the early 1950s, several American cities began experimenting with dedicated pedestrian signals. New York City became one of the first major municipalities to install illuminated โ€œWALKโ€ and โ€œDONโ€™T WALKโ€ signs at busy intersections.

These early systems gave pedestrians their own designated crossing phase, reducing conflicts with turning vehicles and improving safety at some of the nationโ€™s busiest intersections.

Standardization Across America

By the 1960s and 1970s, traffic engineers recognized the importance of creating consistent traffic control devices nationwide.

The Manual on Uniform Traffic Control Devices (MUTCD) established national standards for traffic signs, pavement markings, and pedestrian signals. Standardized designs helped ensure that pedestrians could understand crossing signals regardless of where they traveled in the United States.

Eventually, words gave way to internationally recognized symbolsโ€”a walking person to indicate it was safe to cross and an upraised hand to indicate pedestrians should wait. These symbols transcended language barriers and improved accessibility for visitors and non-English speakers.

The Countdown Era

One of the most significant modern improvements arrived with pedestrian countdown timers.

Rather than simply flashing a warning, countdown displays show exactly how many seconds remain before the crossing phase ends. Research has shown that countdown timers help pedestrians make better crossing decisions and improve compliance with traffic signals.

Today, countdown timers have become standard equipment at intersections across much of the United States.

Accessibility Takes Center Stage

Modern pedestrian signals are designed to serve everyone.

Accessible Pedestrian Signals (APS) now provide audible tones, spoken messages, vibrating push buttons, and locator sounds that assist pedestrians who are blind or have low vision. These features allow more people to navigate intersections independently and safely.

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The continued development of accessible technology reflects a broader commitment to making transportation systems inclusive for all users.

The Future of Pedestrian Safety

Pedestrian signals continue to evolve.

Many cities now use smart traffic systems that detect pedestrians waiting to cross, automatically adjust signal timing based on traffic conditions, and prioritize people walking during busy periods.

Researchers are exploring artificial intelligence, connected vehicle technology, and sensor-based systems capable of communicating directly with autonomous vehicles. Future pedestrian crossings may adapt in real time to weather conditions, crowd sizes, emergency vehicles, and even the needs of older adults or individuals with disabilities.

A Legacy Built by Many Innovators

The pedestrian signal we know today is the product of more than a century of collaboration and innovation.

Early traffic engineers created the first electric traffic lights. Garrett A. Morgan improved intersection safety with his groundbreaking three-position traffic signal. Transportation agencies standardized traffic control devices, while engineers continued refining pedestrian technology through countdown timers, accessible features, and intelligent traffic systems.

Every safe crossing today reflects the work of countless inventors, planners, researchers, and public officials dedicated to protecting lives.

As cities continue to grow and transportation technology advances, the humble pedestrian signal remains one of the most effectiveโ€”and often overlookedโ€”public safety innovations ever developed.

At STM Daily News, we celebrate the inventors, engineers, and visionaries whose everyday innovations quietly improve life for millions of people. Sometimes the most important inventions arenโ€™t the ones that grab headlinesโ€”theyโ€™re the ones we depend on every single day without giving them a second thought.

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๐Ÿง  Discover the remarkable innovators, inventors, and trailblazers who helped shape our world but rarely receive the recognition they deserve. Share your thoughts in the comments and subscribe to the STM Daily News newsletter to catch every new Forgotten Genius Friday feature and more inspiring stories delivered to your inbox.

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Lifestyle

Social media before bedtime wreaks havoc on our sleep โˆ’ a sleep researcher explains why screens alone arenโ€™t the mainย culprit

Social Media Before Bedtime? A sleep researcher explains why late-night social media disrupts sleep less because of screens and blue light, and more because of emotional engagementโ€”doomscrolling, social comparison, habitual checking and FOMOโ€”that keeps the brain aroused and delays rest.

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Side view of a woman staring at her phone in the dark. Social Media Before Bedtime.
Social media use before bedtime can be stimulating in ways that screen time alone is not. Adam Hester/Tetra Images via Getty Images

Brian N. Chin, Trinity College

โ€œAvoid screens before bedโ€ is one of the most common pieces of sleep advice. But what if the real problem isnโ€™t screen time โˆ’ itโ€™s the way we use social media at night?

Sleep deprivation is one of the most widespread yet overlooked public health issues, especially among young adults and adolescents.

Despite needing eight to 10 hours of sleep, most adolescents fall short, while nearly two-thirds of young adults regularly get less than the recommended seven to nine hours.

Poor sleep isnโ€™t just about feeling tired โˆ’ itโ€™s linked to worsened mental health, emotion regulation, memory, academic performance and even increased risk for chronic illness and early mortality.

At the same time, social media is nearly universal among young adults, with 84% using at least one platform daily. While research has long focused on screen time as the culprit for poor sleep, growing evidence suggests that how often people check social media โˆ’ and how emotionally engaged they are โˆ’ matters even more than how long they spend online.

As a social psychologist and sleep researcher, I study how social behaviors, including social media habits, affect sleep and well-being. Sleep isnโ€™t just an individual behavior; itโ€™s shaped by our social environments and relationships.

And one of the most common yet underestimated factors shaping modern sleep? How we engage with social media before bed.

Emotional investment in social media

Beyond simply measuring time spent on social media, researchers have started looking at how emotionally connected people feel to their social media use.

Some studies suggest that the way people emotionally engage with social media may have a greater impact on sleep quality than the total time they spend online.

In a 2024 study of 830 young adults, my colleagues and I examined how different types of social media engagement predicted sleep problems. We found that frequent social media visits and emotional investment were stronger predictors of poor sleep than total screen time. Additionally, presleep cognitive arousal and social comparison played a key role in linking social media engagement to sleep disruption, suggesting that social mediaโ€™s effects on sleep extend beyond simple screen exposure.

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I believe these findings suggest that cutting screen time alone may not be enough โˆ’ reducing how often people check social media and how emotionally connected they feel to it may be more effective in promoting healthier sleep habits.

How social media disrupts sleep

If youโ€™ve ever struggled to fall asleep after scrolling through social media, itโ€™s not just the screen keeping you awake. While blue light can delay melatonin production, my teamโ€™s research and that of others suggests that the way people interact with social media may play an even bigger role in sleep disruption.

Here are some of the biggest ways social media interferes with your sleep:

  • Presleep arousal: Doomscrolling and emotionally charged content on social media keeps your brain in a state of heightened alertness, making it harder to relax and fall asleep. Whether itโ€™s political debates, distressing news or even exciting personal updates, emotionally stimulating content can trigger increased cognitive and physiological arousal that delays sleep onset.
  • Social comparison: Viewing idealized social media posts before bed can lead to upward social comparison, increasing stress and making it harder to sleep. People tend to compare themselves to highly curated versions of othersโ€™ lives โˆ’ vacations, fitness progress, career milestones โˆ’ which can lead to feelings of inadequacy and anxiety that disrupt sleep.
  • Habitual checking: Social media use after lights out is a strong predictor of poor sleep, as checking notifications and scrolling before bed can quickly become an automatic habit. Studies have shown that nighttime-specific social media use, especially after lights are out, is linked to shorter sleep duration, later bedtimes and lower sleep quality. This pattern reflects bedtime procrastination, where people delay sleep despite knowing it would be better for their health and well-being.
  • Fear of missing out, or FOMO: The urge to stay connected also keeps many people scrolling long past their intended bedtime, making sleep feel secondary to staying updated. Research shows that higher FOMO levels are linked to more frequent nighttime social media use and poorer sleep quality. The anticipation of new messages, posts or updates can create a sense of social pressure to stay online and reinforce the habit of delaying sleep.

Taken together, these factors make social media more than just a passive distraction โˆ’ it becomes an active barrier to restful sleep. In other words, that late-night scroll isnโ€™t harmless โˆ’ itโ€™s quietly rewiring your sleep and well-being.

How to use social media without sleep disruption

You donโ€™t need to quit social media, but restructuring how you engage with it at night could help. Research suggests that small behavioral changes to your bedtime routine can make a significant difference in sleep quality. I suggest trying these practical, evidence-backed strategies for improving your sleep:

  • Give your brain time to wind down: Avoid emotionally charged content 30 to 60 minutes before bed to help your mind relax and prepare for sleep.
  • Create separation between social media and sleep: Set your phone to โ€œDo Not Disturbโ€ or leave it outside the bedroom to avoid the temptation of late-night checking.
  • Reduce mindless scrolling: If you catch yourself endlessly refreshing, take a small, mindful pause and ask yourself: โ€œDo I actually want to be on this app right now?โ€

A brief moment of awareness can help break the habit loop.

Brian N. Chin, Assistant Professor of Psychology, Trinity College

This article is republished from The Conversation under a Creative Commons license. Read the original article.

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