Hot Topics

LD+A Magazine

The latest news, personnel notes, business developments and buzz-worthy announcements from around the industry.

Energy: It’s a Math Problem

Energy: It’s a Math Problem

Data used to compute light levels must account for real-world conditions.

By Willard Warren

Read More
Nestlé Sweet On LED

Nestlé Sweet On LED

Nestlé Purina’s manufacturing facility in Dunkirk, NY, recently received an LED lighting upgrade funded by a $125,000 National Grid energy efficiency incentive.

Read More
SSL: Future-ready Luminaires

SSL: Future-ready Luminaires

The need to standardize sensors.

By Kate Hickcox and Michael Myer

Read More
Manhattan's Oculus Honors Veterans

Manhattan’s Oculus Honors Veterans

Three years after Fisher Marantz Stone earned an IES Illumination Award of Distinction for the interior lighting at the Oculus in Lower Manhattan, the Port Authority of New York/New Jersey has upgraded the fixtures to achieve color-changing effects inside the iconic building.

Read More
Safety: Assessing Horticultural Lighting

Safety: Assessing Horticultural Lighting

Optical radiation should be chief among concerns.

By Jerry Plank

Read More
IES Goes to Washington

Policy: The IES Goes to Washington

All the ‘hallowed halls’ where we make our mark.

By Alex Baker

Read More
Progressions: Beyond Sunset

Progressions: Beyond Sunset

A history of lighting in free verse.

By Mark Lien

Read More
Color: Specify and Conquer

Color: Specify and Conquer

A look at two barriers to TM-30 use and how to master them.

By Tony Esposito and Jess Baker

Read More
NEMA

NEMA Releases LED Replacement Standard

The National Electrical Manufacturers Association (NEMA) has published NEMA LL 10-2020 Replacing HID Lamps with LED Lamps: Light Output Equivalency Claims.

Read More
Canadian City Launches Smart Street Lighting

Canadian City Launches Smart Street Lighting

The City of Laval has given the green light for a project to convert 37,000 fixtures to LED luminaires with smart controls.

Read More