Buzz
Invisible design elements are woven into the fabric of society, from pedestrian crosswalks to heated walkways, with subtle engineering working quietly to ensure the smooth functioning of the world and the safety of its people. Unfortunately, many of these ingenious innovations often go unnoticed by the average observer. Here’s a list of 10 extraordinary instances of hidden design found worldwide.
10. Pedestrian Buttons in Australia
The design of crosswalks and traffic lights is often overlooked, but behind every detail lies an engineer’s brilliance. In Australia, engineers developed a creative solution for crosswalk accessibility by introducing pedestrian buttons specifically for those with hearing and vision impairments. The PB/5, commissioned in 1984 by the NSW Department of Main Roads, was designed to improve pedestrian safety.
This button features a unique two-rhythm buzzer combined with a vibrating touch panel, a departure from the traditional bell and buzzer sounds. Additionally, it includes a braille directional arrow to assist vision-impaired pedestrians. This thoughtful design has helped eliminate confusing traffic signals and inconsistent layouts, providing a safer crossing experience for non-able-bodied individuals.
9. Tokyo’s Ingenious Disaster Parks
Originally established in 1923 as a response to the Great Kyoto earthquake, Tokyo’s refuge parks are not only designed for aesthetic value but also serve as vital shelters and survival zones in times of crisis. Over the years, these parks have been extensively renovated, now featuring survival elements like solar-powered charging stations, manholes that can be transformed into emergency toilets, benches that double as cooking stoves, and much more.
The parks also house food stockpiles and water reserves, ensuring enough supplies for entire districts to last up to 72 hours. Notable parks such as Hikarigaoka and Nakano Central Park have incorporated several of these survival enhancements. The Tokyo government is actively working to develop up to 185 acres (75 hectares) of disaster-resilient parks across the city while expanding green space.
8. The Netherlands’ “Glow-in-the-Dark Smart Highway”
Driving at night can be hazardous, especially in poor weather conditions. A Dutch design team has introduced a brilliant solution: glow-in-the-dark smart highways. Designed by Daan Roosegaarde, these innovative roads feature temperature-sensitive markings, wind direction indicators, and induction coils embedded in the lanes that charge electric vehicles as they drive. This concept not only enhances road safety but also promotes environmental sustainability.
The glow-in-the-dark road markings are created using a special photoluminescent powder mixed with road paint, enabling them to remain illuminated for up to 10 hours and recharge from sunlight. This innovation is particularly beneficial in the Netherlands, where certain areas turn off streetlights at night to save energy. A 16-foot (5-meter) section of the highway featuring these markings was unveiled on the N329 in Oss in 2014.
7. Heated Sidewalks in a Chicago Neighborhood
Winters can be extremely harsh, not only because of the cold but also due to the relentless buildup of snow. Chicago, like many cities, faces this challenge, and the suburb of Oak Park found a solution: heated sidewalks. The system works by installing electric wiring and gas-fed systems under the concrete, providing enough warmth to melt snow and ice, keeping the walkways dry and safe to navigate.
These heated sidewalks have been in use since the 1970s, beginning with the LaSalle Street sidewalks. The feedback from the public has been overwhelmingly positive, with locals and businesses appreciating the convenience of not needing to shovel snow. This improvement has also led to increased foot traffic and customer visits in the neighborhood. However, not every area of Oak Park has them yet, though more installations are expected in the future.
6. Hong Kong’s Eco-Friendly Rooftop Farms
Hong Kong is one of the most densely populated cities in the world, where space is at a premium and must be used in the most effective way to support the population. Rooftop farms, co-founded by Andrew Tsui, are helping to address this challenge. These urban farms are built on underutilized rooftops and play a key role in growing food for local farmers, offering a sustainable solution to the city's limited space.
As of 2021, over 60 urban farms have sprouted across the city, utilizing otherwise unused public spaces like shopping mall roofs and old helipads. These farms provide fresh produce for local residents and farmers, fostering a sense of community. Through Rooftop Republic’s workshops, people are taught how to manage their own rooftop farms. Considering that Hong Kong has over 64.5 million square feet (6 million square meters) of unused rooftop space, the full potential of these farms has yet to be realized.
5. Oslo's Bee Highway
Bees are crucial to the planet’s biodiversity, as they facilitate the pollination process that helps plants, trees, and flowers grow. However, bees face numerous challenges, with many species now endangered due to industrialization and the excessive use of pesticides. Oslo, Norway, is addressing this issue with a unique solution: the creation of bee highways.
The environmental organization Bybi developed the bee highway project to safeguard these essential pollinators and encourage pollination. These highways consist of tall structures planted with nectar-rich plants and flowers, creating safe routes for bees to travel between them. Locations such as Abel’s Garden have already integrated these highways to provide nourishment for bees. With approximately one-third of Norway's 200 wild bee species at risk, this initiative is vital to preserving Norway's biodiversity and agriculture.
4. Rotterdam’s Water Squares
Urban spaces often face the challenge of underutilized areas. Rotterdam, however, has found an innovative solution to this issue. The city regularly battles severe flooding due to heavy rainfall, prompting the Rotterdam City Council to devise a strategy for utilizing surface space for rainwater storage. Building these water reserves above ground is far more cost-effective than constructing them underground, offering a practical and tax-efficient solution.
Rotterdam has introduced three 'Water Squares' or 'Waterplein,' which serve dual purposes: as recreational areas and rainwater reservoirs. During rainfall, the squares fill up, storing the water for future use. When it's dry, the squares empty out and transform into spaces for activities like basketball, skating, and even performances in the form of an amphitheater. This clever design integrates both urban life and environmental sustainability.
3. The Netherlands’ Underground Trash Collection
Trash collection can be a cumbersome task in many countries, where waste bins are placed on streets for pick-up. In the Netherlands, however, a more efficient method is used: underground trash systems. Residents dispose of their waste by placing it into accessible chutes above ground, where it is then sent down to large storage containers located below the surface. This system is like an iceberg, where only a small visible portion of the trash collection system is seen above ground.
This system offers a multitude of advantages. First, it ensures that trash is completely shielded from wildlife, which is a common issue in areas like North America, where animals—and sometimes people—frequently rummage through garbage, creating a significant hassle for both residents and waste management workers. Additionally, the underground bins are accessible at any time, removing the need to drag overflowing trash cans to the curb each week. Special garbage trucks are used to collect the waste, efficiently lifting the storage containers from below ground and emptying them cleanly.
2. Japan’s Space-Saving Underground Bike Vaults
Cycling is a popular mode of transport in many cities, but issues like bike theft and the need for secure parking remain major challenges. Japan has found a clever solution: underground bike vaults. Developed by the tech company Eco-Cycle, these bike storage kiosks are located at street level but store bicycles 40 feet (12 meters) underground, arranging them neatly in rows to maximize space.
Each cyclist is provided with a unique IC Tag smart card, which acts as a locator to retrieve their bike in seconds. By swiping the card at a check-in booth, the bike is automatically raised from the vault. This system offers protection from weather conditions, earthquakes, and theft, and at just $25 per month, it’s far more affordable than most car parking spots in Tokyo. The bike vaults have gained significant popularity and are frequently used by city residents.
1. Seoul’s Smart Lamps
Street lamps have always been crucial for lighting up the streets after dark, but many could serve a more diverse purpose. Seoul has seized this opportunity by introducing smart lamps that do more than just illuminate the roads. These advanced poles offer Wi-Fi connectivity and provide electricity, allowing people to charge their phones, drones, and even electric vehicles right from the street.
By 2021, Seoul had installed 26 smart poles across six areas of the city, with plans to expand the number in the future. These poles are equipped with CCTV cameras, which enhance security and help identify potential criminal activities. In addition to their security role, they also improve internet accessibility with free Wi-Fi. Even more functions are anticipated for these smart lamps soon.
