The basic technology that makes all of this possible is fairly simple. A still film camera is made of three basic elements: an optical element (the lens), a chemical element (the film) and a mechanical element (the camera body itself). As we'll see, the only trick to photography is c...
In this edition of HowStuffWorks, you'll learn what causes these blasts and how they compare to the combustion chamber of a car engine. Contents Shaking the Ground Energy Everywhere Shaking the Ground Explosions are typically caused when a spark from wiring ignites gas inside the manhole. A ...
With such high gas prices, now is the perfect time to learn how to maintain your car properly. Learn how to drive a car safely, ride a motorcycle, double your gas mileage, repair a dent or customize by installing a car stereo system. Then venture into
How To:Make a Simple Fog Machine to Prank Your Roommates Mad Science ByWilliam Finucane 12 How To:Shoot Fire from a Water Bottle Using Rubbing Alcohol and a Match Mad Science ByGabrielle Taylor 13 Supercool Science Trick:How to Turn Water into Ice on Command ...
Use a hair dryer: If hot water alone doesn't do the trick, you can try using a hair dryer to heat the lid. Turn the hair dryer to its highest setting and aim it directly at the lid for about 30 seconds. The heat helps to expand the lid and break the seal. Remember to use a ...
You can also use props and accessories to add interest and personality to your images. Focus on the eyes: The eyes are the windows to the soul, and they can make or break a portrait. Make sure your subject’s eyes are sharp and in focus. Use a wide aperture to create a shallow ...
There is also theexternal combustion engine. Thesteam enginein old-fashioned trains and steam boats is the best example of an external combustion engine. The fuel (coal, wood, oil) in a steam engine burns outside the engine to create steam, and the steam creates motion inside the engine. ...
Before there was autofocus, there was focus. The camera is a light-tight box that is used to expose a photosensitive surface (film or digital sensor) to light. In order to focus the light onto the surface, most cameras (and your own eyes) use a lens to d
I always try to be flexible and give lots of options in terms of lighting, background, and ‘looks’. While I am always working towards a thought out end photo, I will happily stray from that as light allows, or when things come up during the shoot, which they always do. ...
If your furnace has a spark ignitor and it's working haphazardly, it too could be covered with soot, and a blast of compressed air may be enough to clean it. Compressed air can also clean ablocked pilot tubethat is causing the pilot flame to burn weakly or not at all. Simply point ...