Search: light and health

  Researchers from the Institute of Microelectronics of the Chinese Academy of Sciences have developed a cutting-edge humidity sensing system capable of monitoring human behaviors in real-time through the detection of respiratory patterns. This innovative system combines a highly sensitive humidity sensor with a thermistor, micro-heater, and machine learning algorithms, achieving an impressive 96.2% accuracy [...]

By Bill Chan, President at LiteController Inc. We know how nighttime light affects Melatonin production – but do we truly understand how light exposure during the day influences our circadian system?  Current circadian lighting metrics do not fully capture the biological effects or circadian entrainment of daytime light exposure. The two circadian lighting metrics (CS [...]

Here is a quick summary of the construction forecast for 2025-2026, highlighting key trends and developments in various sectors of the construction industry. Non-Residential Construction Non-residential construction is expected to grow slowly through 2025, with no significant decline anticipated. However, certain segments within the private non-residential sector may experience downturns, while data centers and semiconductor [...]

The core mission of achieving energy savings remains central to the relationship between institutional and commercial facilities and Energy Service Companies (ESCOs). However, facilities are constantly evolving due to various factors like maintenance issues, climate change, and occupancy shifts. While ESCOs have existed for around 40 years, the industry continues to adapt to meet these [...]

Endeavor Business Media recently announced plans to shut down LEDs Magazine, which has been one of the leading trade publications in the LED lighting industry. Carrie has been Editor in Chief for LEDs Magazine. I’m honored that she granted LightNOW this interview. Shiller: Do you think the decision to end LEDs Magazine is a symptom [...]

  The DOE’s new CALiPER testing report on upper-room Germicidal Ultraviolet (GUV) luminaires highlights significant advancements and persistent challenges in this technology. Upper-room GUV, recommended by both ASHRAE and the CDC, has shown promise in delivering substantial energy savings while meeting ASHRAE Standard 241 and CDC ventilation targets without requiring major HVAC upgrades. Key findings [...]

  A new study investigates the effects of near-infrared radiation (NIR) in ambient indoor lighting on human cognitive performance, emotional state, and cardiovascular health. The research addresses the absence of NIR in modern electric lighting systems and energy-efficient windows, despite its biological activity and therapeutic applications. In a preregistered within-subjects double-blind experiment, 151 university students [...]

Mojo Vision, a California-based company, has been developing smart augmented reality (AR) contact lenses since 2015. In June 2022, they successfully demonstrated a functioning prototype of their “Mojo Lens,” marking a significant milestone in the development of AR contact lens technology. The Mojo Lens features an impressive array of miniaturized components: A Micro LED display [...]

  The National Retail Federation (NRF) has released its forecast for the 2024 winter holiday shopping season, projecting steady growth in consumer spending. According to the NRF, holiday spending is expected to increase between 2.5% and 3.5% compared to 2023, reaching a total of $979.5 billion to $989 billion in November and December. NRF attributes [...]