Humans have been able to harness electricity for only a relatively brief span of time. Prior to that, while people did have some small measures of warding off the darkness, it was still a very important facet of their lives. They were guided by the stars and directed by the moonlight. ...
How Light Bulbs Work How Lightning Works How Power Grids Work How Living Off the Grid Works How Magnets Work Is it possible to generate electricity directly from heat? Why is it that some appliance plugs have three prongs and others have only two? Are fluorescent bulbs really more efficient ...
There are many different sized grow lights, from the CFL light bulbs you already use in your house to bigger, more specialized grow lights that produce pounds of bud at a time. There are indoor growing options for nearly everyone, even if you’re on a budget or only have a small space...
Light bulbs are ranked by their power -- the amount of light they put out in a certain period of time (measured in watts). Higher-watt bulbs have a bigger filament, so they produce more light. A three-way bulb has two filaments of different wattage -- typically a 50-watt filament and...
All vehicles fitted with halogen headlight bulbs from the factory are suitable for LED conversion. The main advantage is a massive increase in road illumination and therefore improved safety when driving at night. The kit I used features CREE LED bulbs that have an output of 3,200 lumens. Typi...
Companies that have engaged in greenwashing on a wide scale have made headlines over the years. In the mid-’80s, for example, oil company Chevron commissioned a series of expensive television and print ads to broadcast its environmental dedication. But while the now-infamous “People Do” campa...
Grayscale mode images from Photoshop have no color data, but you can make tonal adjustments to them in Lightroom Classic using the tone adjustments in the Basic panel or Tone Curve panel. You can also apply color toning effects using the options in the Color Grading panel. Lightroom Classic...
The difference between holographic and photographic film is that holographic film has to be able to record very small changes in light that take place over microscopic distances. In other words, it needs to have a very fine grain. In some cases, holograms that use a red laser rely on ...
You don’t have to look for a cure for one of the civilization’s diseases, but your company can actively take care of the environment by looking at some cutting-edge technologies. Even something so simple as using energy-saving light bulbs can be a good starting point for creating an emp...
Look for LED bulbs that use reputable LED brands and have good customer reviews to ensure you’re getting a bright and reliable bulb. The design of the LED bulb also affects its brightness. Some bulbs are designed with optics or diffusers that help distribute light evenly, resulting in a ...