We consulted Cosmo Radio women's health expert Jennifer Wider, MD, for the lowdown on what to expect when you take this pregnancy prevention medicine—and how it really works.
What is a hologram and how does it work? Laser beams are split up in order to construct a hologram, causing the light waves that make up the two parts of the beam to travel in similar fashion. It is due to this that the image seems to change. This is also what lends holograms thei...
Zoom lenses in cameras work in a similar way, with multiple lenses that can be moved together or apart by turning them with your fingers or, on automatic cameras, by pressing a motorized control that does the same thing. Zoom lenses that work this way are known as optical zooms. Digital ...
To reach space, we currently use thespace shuttle, which has to carry tons of fuel and have two massive rocket boosters strapped to it to lift off the ground. Lasers would allow engineers to develop lighter spacecraft that wouldn't need an onboard energy source. Thelightcraftvehicle itself ...
8。For a particular engine power the two—stroke engine will be considerably lighter-an important consideration for ships. Nor does the two—stroke engine require the complicated valve operating mechanism of the four—stroke。The four-stroke engine however can operate efficiently at highspeeds,which...
But how does a generator work? Whether you’re new to using a generator, or well-experienced, there are a few things you need to know to operate it safely. 🛠 You love tackling DIY projects. So do we. Let’s build something together. “The single biggest thing you ca...
Lighten –Lighten works in the opposite way of the darken blending mode, incorporating the pixel from the lighter layer. Screen –This popular blending mode is similar to the multiply mode, but it has the opposite effect. It creates a brighter or washed-out look. Overlay –Think of overlay ...
Does this mean we all have to use different soaps? KI-WOO Maybe we should all wash our clothes with different detergent. Different fabric softeners too. CHUNG-SOOK You mean I have to wash all of your clothes separately? Fuck no. KI-JUNG (expressionless) It won’t work. It’s ...
In this article, we'll look into how LED light bulbs work, why they're a desirable lighting choice, and some of the pros and cons surrounding them. Let's begin with the basics: How does an LED produce light? Contents LED Light Bulb Basics Advantages of LED Light Bulbs Concerns Abo...
(See How does a GFCI outlet work? for details). What happens to a hair dryer if you drop it in water when it's not plugged in? You don't run the risk of electrocution, since there's no source of current, but you can certainly damage the hair dryer if all of its components get...