illumination effects - SpectraLore

Imaging & Photography

The Inverse Square Law in Lighting

light intensity diminishes with distance

The inverse square law in lighting reveals how distance dramatically affects brightness, but understanding its full implications can transform your lighting setup.

SpectraLore Team
December 25, 2025

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General

Jamo S 803 5″ 2-Way Bookshelf Speakers (Pair) $99 + Free S&H

Get the Jamo S 803 2-way bookshelf speakers (pair) for $99 with free shipping, a…

SpectraLore
June 14, 2026

Spectra in Culture & History

Judge orders Trump officials to re-install signs and exhibits at national parks on topics like slavery and climate change

A federal judge has ordered the Biden administration to restore signs and exhibits…

SpectraLore
June 14, 2026

DIY Spectra Experiments

DIY Colorimeter: Measure Color Shifts With Nothing But a Camera

Inevitably, mastering a DIY colorimeter with just a camera can unlock precise color…

SpectraLore Team
June 13, 2026

Industrial & Scientific Applications

ARRAY ships 100 GW of solar trackers globally since founding

ARRAY Technologies has shipped over 100 GW of solar trackers globally since its…

SpectraLore
June 13, 2026