David Hilscher
Wheels are one of the classical six simple machines and we think of them as a primitive invention—yet wheels were invented after agriculture and metallurgy. See why wheels are a surprising feat of human engineering.
David Hilscher
David Hilscher
Metal corrosion can eat away at parts, causing them to fail. Passivation creates a self-healing chemical seal that uses corrosion to defeat corrosion. Learn about passivation in stainless steel, aluminum, and other metals.
David Hilscher
We take a look at the properties and chemistry of polyethylene plastic, the modern material used in everything from cling wrap…to bollards.
David Hilscher
Even as cities move away from car-dependency, excellent hospital parking management remains essential for vulnerable patients. Explore the unique requirements of health-care facilities and discussion of hospital parking fees.
David Hilscher
Not all bollards are impact-ready and designed to withstand vehicle crashes. Check out 9 important bollards that provide no crash protection to answer the question: “What good is a bollard that can’t stop a car?”
David Hilscher
New York vs. California bollards? Differences in culture, geography, climate, and history make for differences in built environment. We analysed our sales figures to find differences in the small choices of east coast vs. west coast.
David Hilscher
Finding great accounts to follow on social media takes your feed from a time-wasting hazard to a professional resource. Check out twelve of our favorite Twitter feeds for urban planners and other design professionals.
David Hilscher
Historic preservation is the process of choosing, investigating, and maintaining older sites that capture cultural legacy.
David Hilscher
In 2014, ASTM introduced low-speed crash ratings for vehicle impact protective devices like bollards, fences, and barriers. Read how low-speed testing differs from high-impact crash testing, and why the standards are needed at all.
David Hilscher
In 2008, Mike Wright was hit by a car while leaving a convenience store. During his convalescence he read everything he could to understand pedestrian crashes. He was shocked to learn how common these accidents really are.
David Hilscher
Creating a fan-friendly secure perimeter at historic Fenway Park meant paying attention to the details. Cast-iron ornamental bollards are attractive architectural accents that protect fans without blocking pedestrian flow.
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