Oct 29, 2014 · The meaning of b***h needs to change. Being a b***h is a fantastic thing. You show people you are a strong woman who can get to where you need to go all on your own, man or no man. Women need to stop being scared to go after what they want because anything is attainable.
- Ali Paasch
A group of women between the ages of 15 and 50 were asked to name the first thing that comes to mind when they hear the word 'b***h', and while some found the term to be hurtful and insulting ...
- Erica Tempesta
Display, design, and camera—those are three great features the Surface Go 2 has going for it. And if that’s all you need, and you’re thinking about purchasing the relatively inexpensive base model, then I would say go for it. But some people need more, and that’s where things get tricky. Or rather, that’s where things get more particular.
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If you've ever been in B&H Photo and Video, you would know that the business is run by a bunch of ultra-conservative Orthodox Jews. They don't even treat their walk in female customers well. None of this really surprises me at all. Not the being an ultra-conservative Orthodox Jew is bad. I'm sure there are some very nice ones there.
This is a good thing. Did you just breeze over #19? The tripod won’t let you do that. Also, as an added bonus, the tripod will hold your camera steady and help you get a sharper image! 21. Practice good technique The way you hold your camera can make a big difference. The way you stand while shooting can make a big difference.
- Todd Vorenkamp
Regardless of which model you go for, the Galaxy S10 comes with a plethora of boosted-up specs and capabilities. From expanded storage and custom emojis to high-resolution cameras and wireless charging, Samsung has made buying a Galaxy more appealing than ever.
The Monitor on Psychology article “What makes good people do bad things?” by Melissa Dittmann analyzes the results of the Stanford Prison Experiment conducted by Stanford psychology professor Phillip Zimbardo in 1971 and discusses what the experiment can tell us about human nature and what causes humans to be evil.
- The History
- Terminology 101
- Chromatic Aberration
- Spherical Aberration
- Perception Versus Reality
In the late 1500s, two Dutch eyeglass makers, father and son Zaccharias and Hans Janssen, developed and began experimenting on a crude microscopic device. Their work was disseminated, as inventions often are, and it wasn’t long before someone built on their microscopy work and reconfigured their lenses to bring distant objects closer. The first patent application for a telescope was by another Dutch eyeglass maker named Hans Lippershey, in 1608. The Janssens and Lippershey lived in the same town and evidence suggests that they not only knew each other, but influenced each other’s work. Compounding the confusion, yet another Nederlander, Jacob Metius, applied for a patent for a telescope a few weeks after Lippershey. The government of the Netherlands eventually rejected both applications because of the counterclaims, and, officials said, the device was easy to reproduce, making it difficult to patent. In the end, Lippershey is credited with inventing the telescope and the Janssens th...
The Optical Tube Assembly, or OTA, is the main part of the telescope. It gathers light and it’s where the eyepiece and all optical accessories go. The Mountis what the OTA is attached to and is responsible for the how the user aligns, moves, and tracks celestial objects. A more detailed explanation on the different mounts is below, but for now you just need to know that there are three principal types: Alt-Azimuth (AZ or Alt-Az), German Equatorial (EQ), and Motorized. Motorized mounts can be of either Alt-Az or EQ, but are usually set aside to differentiate them from manual mounts. Go-Tois a term that gets used a lot and is relatively new to the amateur astronomer. It’s applied to a motorized mount that is partially or wholly computer controlled. The term comes from the controller’s ability to “go to” a specific location automatically on its own, as opposed to the user manually moving the mount. Apertureis the diameter, usually measured in millimeters, of the objective (primary) len...
Different colors of light have different wavelengths and pass through the glass at different, but predictable, speeds: Shorter wavelengths travel faster than longer ones, so when they come out the other side of the lens, the various colors of light from a single object gets to your eye at different times. The shape of a mirror or lens may cause this aberration, as well. In regard to lenses, the shape of the lens causes it to be thicker or thinner in certain points; as a result, the light passing through the thicker part will take longer than that passing through the thinner areas. For mirrors, the light in the center reflects straight down the OTA, but the light at the edges needs to travel farther, again causing the light to strike your eye at different times. In extreme cases, the distortion is so bad that you’ll see a halo around objects that can interfere with your observation. As we’ve seen, chromatic aberration has been a problem since the very first telescope was developed, a...
This has also been around from the beginning of astronomy. It is caused by the curvature of the mirrors or lenses required to focus the light to a single point. In order to see an image, the light entering the optical system from a large mirror or lens needs to be focused to a single small point—the focal point—so you can see the object with your eye. If the grind, polish, or placement of the lenses or mirrors within the optical path isn’t perfect, the light might not be focused correctly and overshoot or fall short of the focal length. This will result in distortion and/or the inability to achieve sharp focus. The development of the reflector helped to correct for chromatic aberration, but the mirror, by its very nature, had inherent spherical aberration. To correct this, the catadioptric class of telescopes was developed through the use of corrector plates. With refractors, multiple lenses stacked at the front of the telescope helps this correction. Every refractor on the market t...
This section deals with the gap between what you expect to see through a telescope and what you will actually be able to see. Most people barely remember a time, or haven’t lived in a world, without the Hubble telescope, nor can they remember a time when they couldn’t immediately check out pictures on the Internet. There is an entire generation that has literally grown up on high-resolution images of space and the universe in general; and the Moon, planets, galaxies, nebulae, and any number of celestial objects in particular. As a result, we’ve come to expect Saturn and its rings to look like what we see when we Google it on our HD screens. It won’t. It’s going to be small—quite small. It’s going to look like Saturn, but just a smaller version of it, compared to what we see on our iPad, laptop, or 4K television. But here’s the thing: with a telescope, you get to see it for yourself. It’s an incredibly personal experience. New astronomers, of any age, need to be aware of this before...
In our discussion of the evolution of telescopes, we outlined the three basic kinds: refractor, reflector, and catadioptric. Now, we come to the part where we discuss which one to acquire. Sadly, there is no answer that will satisfy everyone (or anyone, for that matter). All types have their strengths and weaknesses, so the choice you have to make is going to be based on what you want to see and what you want to spend. What we’re discussing here is strictly based on optical performance; later we’ll bring mounts and tripods and other support systems into the mix to give you the full picture.
The simplicity and reliability of the design makes it easy to use and requires little maintenance. These are excellent for observing objects within our solar system—planets and the Moon and, with the right accessories, they can be used for terrestrial viewing. Since the optical system is basically a straight line, there are no obstructions from secondary mirrors as there are in Newtonians or catadioptrics. With optical options like triplet configurations and specialized glass, aberrations can be virtually eliminated. There are a few downsides, however. They tend to be more expensive per inch of aperture than the other two designs. The lens systems tend to make them heavier than similarly sized Newtonians and catadioptrics. And because of their limited available apertures, they tend to have difficulty seeing dim deep-space objects. Finally, the overall superior optical performance of a refractor makes it an ideal platform for astrophotography or astro-imaging.
Utilizing a large primary mirror, the Newtonian gives you greater value per inch of aperture, since making a mirror is less labor-intensive than making lenses. However, to get the light focused and into an eyepiece, it is bounced from the primary mirror to a secondary mirror, placed near the front of the OTA facing the primary mirror and set at a 45-degree angle to the primary mirror, which sends the image into the side-mounted eyepiece. This secondary mirror causes a slight obstruction to the light entering the OTA, which results in light diffraction and loss. Additionally, in traditional reflectors, the OTA is open to the elements, so they tend to require a certain amount of maintenance to keep the mirror free from dust, dirt, and pollen. A variation of a Newtonian is the Schmidt-Newtonian, which places a corrector plate at the front, thereby helping to reduce spherical aberration and sealing the system for easier maintenance. Because you can get large apertures out of the mirrors...
These are defined by their long focal lengths with short optical tubes. Utilizing a folded optical path, light enters through a thin, aspheric correcting plate, reflects off a spherical primary mirror at the back of the tube, where it is again reflected from a smaller secondary mirror located directly behind the front corrector plate and to the back to the optical tube and through an opening in the rear of the instrument to form an image at the eyepiece. This optical configuration creates a compact and portable OTA that is virtually maintenance free and easy to use. It offers larger aperture per inch than refractors, but tends to be more expensive than similarly sized reflectors. Catadioptrics are excellent for all types of near and deep-sky viewing, except for extremely dim objects. This configuration shares the secondary mirror obstruction that we discussed above with reflectors.
The mount you choose is just as important as the optical tube assembly. As we touched upon earlier, mounts can be loosely grouped into two categories: Alt-Azimuth (Alt-Az, AZ) and Equatorial (EQ). Each of these allows you to move the telescope to track objects in the sky. Basic earth science teaches us that the Earth rotates, so as you observe an object, it will appear to move across your field of view, causing you have to move the telescope accordingly. To visualize this movement, think of when the sun rises in the East, moves across the sky, then sets in the West—everyobservable object in the sky tracks a similar path, except for Polaris, which is set directly above the North Pole and creatively called the Pole Star. All calculations and coordinates for celestial navigation in the Northern hemisphere are taken from their position relative to the Pole Star. The speed at which an object moves is relative to the distance it is from Earth: The moon moves very fast, requiring nearly co...
These are the things on the screen that display your character’s status: health, mana, equipped items, position in a race, and so on. KDR / KR “Kill-to-Death Ratio.” On average, how many enemies you take out before being taken out yourself. A lot of players are obsessed with their KDR, as if it portrays how good they are.