Do step-down rings cause vignetting? The major disadvantage with a step-down ring is that it is highly likely to cause vignetting since the filter is smaller than the lens. What…
Which carrier uses CDMA? In the US, Verizon, US Cellular, and the old Sprint network (now owned by T-Mobile) used CDMA. AT and T-Mobile used GSM. Most of the rest…
What are the 7 colours that the human eye can see? The visible light spectrum ranges from about 380 to 740 nanometers. Spectral colors (colors that are produced by a…
What movies have come true? 10 Old-School Sci-Fi Movies That Actually Predicted The Future4 Smart Home - Logan's Run (1976)5 Robots - Metropolis (1927) 6 Earbuds - Fahrenheit 451 (1966)…
Do dogs get discharge before period? In many cases, a bloody vaginal discharge is the first sign that a pet owner will notice when their dog comes into heat. In…
How does a subsonic wind tunnel work? Air enters the tunnel through an aerodynamically designed effuser (cone) that accelerates the air linearly. It then enters the working section and passes…
Can a broken bone cause hives? Broken bones are associated with trauma, which can also affect the skin, but trauma is not related to lice, dermatitis, eczema, or actinic keratosis.…
Does birth control affect fibroadenomas? Fibroadenomas tend to be found more often in women who smoke or who are taking hormone replacement therapy after menopause. They may get larger and…
What is the kissing game called? Catch and Kiss Think of this game as tag, but with kissing. One person is “it,” and they chase everyone else. When they catch…
Where did Michael Palin go in full circle? the Pacific Ocean The series documented a 245-day, 50,000-mile (80,000 km) trip taken by Palin and a film crew around the rim…