Abstract: A phosphor-converted light-emitting diode (pcLED) luminaire featuring enhanced light extraction by internal reflection (ELiXIR) with efficacy of 60 lm/W producing 18 lumens of yellowish ...

Abstract: Omni-directional rain sensor utilizing scattered light detection reflected by rain or moisture on windshield glass is realized, while conventional rain sensor senses disturbances at point or ...

During the day, you can slide the panel to the side without the door, leaving the door accessible while still providing some privacy and light protection. Your curtain will have lots of extra fabric, ...

This included light reflection indices. de Lara was also able to calculate the sun’s position at various times of the day and year, based on values from the fifth century BCE. This allowed him ...