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Finding the Danger Zone of the Circadian Stimulus Model
Light + Health, Research

Finding the Danger Zone of the Circadian Stimulus Model

Nov 26, 2025

By Alexander Willemsen, MSE Based on a paper authored by Eric Bretschneider, Ph.D. The Circadian Stimulus (CS) model is one of the most well-known models for quantifying the circadian impact…

The Shrinking World Of COB LED Tape Light
Products + Technology

The Shrinking World Of COB LED Tape Light

Nov 25, 2025

  It was roughly 12 or 13 years ago that the first COB LED tape lights hit the market. I remember a client making me aware of the new tape…

Interview: Leora Radetsky On DLC SSL Requirements V6.0
Codes + Standards, Interviews + Opinion

Interview: Leora Radetsky On DLC SSL Requirements V6.0

Nov 24, 2025

  Craig DiLouie interviewed Leora C. Radetsky, Senior Lighting Scientist & LUNA Program Director at DesignLights Consortium (DLC), about the new SSL Technical Requirements V6.0. This interview will inform articles…

New Report Identifies 2025 Home Trends
Construction + Economy, Lighting Industry

New Report Identifies 2025 Home Trends

Nov 21, 2025

  Realtor.com’s new 2025 Home Trends Report found that efficiency, sustainability and nature-inspired design are on the rise, while more opulent or space-heavy features are losing ground—highlighting a shift in how…

Lighting Leads with Broader Value Proposition
Interviews + Opinion, Lighting Industry

Lighting Leads with Broader Value Proposition

Nov 20, 2025

  The following Craig DiLouie article appears in tED Magazine and is reprinted with permission of tED Magazine. DiLouie interviewed executives at Genlyte Solutions, Cooper Lighting Solutions, and Current. The…

NLB Tesla Awards Accepting Submissions
Awards

NLB Tesla Awards Accepting Submissions

Nov 19, 2025

  The 7th annual Tesla Awards program recognizes excellence in lighting projects that through the creative use of lighting systems and controls, illustrate the value of lighting including: improved visual…

Lighting as Infrastructure: Designing for What’s Next
Controls, Lighting Design

Lighting as Infrastructure: Designing for What’s Next

Nov 18, 2025

  By Brent Protzman, Director of Product Management at Lutron Electronics The way we design and use commercial real estate has undergone a fundamental shift. Spaces that were once almost…

Product Monday: Award-Winning Kwikset Halifax LED Lever
Products + Technology

Product Monday: Award-Winning Kwikset Halifax LED Lever

Nov 17, 2025

  Editor’s Note:  Since first publishing this story, the Kwikset Halifax LED Lever has also been recognized with an honorable mention in the 2025 SecurityInfoWatch.com Readers’ Choice Product Awards, in…

Commercial Construction Surges 11.9% In September MoM
Construction + Economy

Commercial Construction Surges 11.9% In September MoM

Nov 14, 2025

  The September 2025 Dodge Construction Network data show a continued rebound in total construction starts, with a 3.1% month-over-month increase to a seasonally adjusted annual rate (SAAR) of about…

Scientists Alarmed About 4,000 Proposed Satellite Mirrors
Dark Sky, Energy + Environment

Scientists Alarmed About 4,000 Proposed Satellite Mirrors

Nov 13, 2025

  Reflect Orbital, a California startup, plans to launch a demonstration satellite in 2026 that will unfold a large mirror (about 60 by 60 feet) to direct sunlight to specific…

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Launched in 2001, LightNOW covers the rapidly changing lighting world for lighting people. Check-in daily to see new posts by Editor David Shiller, Craig DiLouie, and other experts in the lighting field including consultants and lighting designers. Posts include news items to keep you up to date, short opinion pieces to invite you to consider another point of view, new products every Monday, and links to new research and tools to help you design with light. Also be sure to subscribe to the LightNOW newsletter (free), which is published every two weeks as a digest of articles on the site. We always welcome your feedback, so feel free to comment on any of the stories that appear here at LightNOW. If you are a manufacturer, LightNOW offers a low-cost ad vehicle to reach thousands of specifiers, contractors, reps, distributors, consultants, owners, and other stakeholders in the sales channel. For advertising inquiries, contact Suelynn Shiller. Thank you for visiting, and we hope you find LightNOW useful for your career in lighting

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