If you’ve ever wondered how many lumens your iPhone flashlight has, it’s impossible to get a straightforward answer from the manufacturer. Apple says that theiPhone 11has a brighter true-tone flash, but apart from that, we don’t get any other information. Quick Answer Experiments by diffe...
Flashlight brightness guide: how many lumens Lumens vs CandelasThis should be a useful start for beginners! What do you have to keep in mind before you upgradeThere are several ways to increase the brightness of your LED flashlight, but let’s discuss a few things first. Sometimes, you don...
Measured in lumens. This is a measure of the intensity of the light coming out of the flashlight on the highest brightness setting powered by new batteries. It may also be shown for multiple light settings. This is a great comparison tool, but does not tell the whole story about brightness...
Does light travel as a wave, a ray or a stream of particles? Is it a single color or many colors mixed together? Does it have a frequency like sound? And what are some of the common properties of light, such as absorption, reflection, refraction and diffraction? You might think ...
How bright is an Android phone flashlight? Most modern Android smartphones have fairly bright flashlights capable of producing enough light for most scenarios. Common flashlight LEDs in smartphones range from around 40 to 50 lumens. Yet it’s important to note that not all devices will have the...
How to use a flashlight or other light to spot building contaminants on surfaces. The fact that mold is "hidden" or hard to spot on some surfaces in buildings does not mean you cannot find it. While this is perfectly obvious to some folks, too many of us haven't considered that is yo...
A basic hologram is easier to setup than you might think. HowStuffWorks It doesn't take very many tools to make a hologram. You can make one with: A laser: Red lasers, usually helium-neon (HeNe) lasers, are common in holography. Some home holography experiments rely on the diodes fro...
Many have a frosted outer plastic case or "diffuser" to spread the bright, highly directional flashlight glare of their little LEDs into a warmer, fuzzier glow more suitable for home lighting.How LED lamps work One LED would normally run off something like a 1.5-volt DC (direct current) ...
The brightness of a strip light is correlated to its wattage, the power it consumes. Similar to light bulbs, the higher wattage a light is, the brighter it is.How many lumens do I need for a space? When installing LED strip lights for homes, we often encounter the questions: how many...
A fluorescent light contains low-pressure mercury vapor bouncing around to produce ultraviolet light. Fluorescent lights are more efficient than incandescent light. They are capable of generating up to 100 lumens per watt, similar to the output of HMI. So what's that mean? It means that the sp...