Review Summary Holy Stone is a popular manufacturer of toy drones. It has several models, from inexpensive units made for children to reasonably priced models for adults. These have plenty of fantastic features that help them compete with bigger, more expensive models, but since they’re small and lightweight, you don’t need to register most of […]
Continue readingUltraviolet LED strips, black light torches, and UV sanitizer lamps are just a few products sold online and in stores for a variety of purposes. From detecting pet urine stains to bringing out fingerprints and even revealing subcutaneous (deep skin) bruises, they have many uses. But what’s the difference between ultraviolet and black light? Black […]
Continue readingLight waves and sound waves are types of waves and are both subject to reflection, refraction, and diffraction. However, despite these similarities, the two are different. Light waves are electromagnetic waves that are visible to the eye and can travel through a vacuum. Sound waves are mechanical waves, invisible to the human eye, and unable […]
Continue readingThe camera has evolved dramatically in recent years. First, it was just about capturing images. Then, it became a matter of refining them and recording videos. A significant breakthrough was the development of night vision photography during World War II. The military used the competitive edge it gave them to spot enemies during the night, […]
Continue readingIn some circles, infrared waves are also referred to as light waves. And they make up part of something called an electromagnetic spectrum. This spectrum has radiations such as radio waves and gamma rays, all different frequencies. For the record, the visible light that we can detect and see is also found on that spectrum. […]
Continue readingThere are some similarities between mottled ducks, mallards, and black ducks, especially in the physical appearance of the females, but there are also some distinct differences. For example, the mottled duck and black duck have completely different ranges, which means the two never meet. However, the mallard duck is found throughout most of the US […]
Continue readingVideo production has a lot of jargon and plenty of numbers to track that affect your outcome. Worse yet, some cameras only have a number, not anything to qualify it, making it even more difficult to distinguish between them. If you’re new, terms like “shutter speed” and “frame rate” can be confusing, and it doesn’t […]
Continue readingColorful birds have to be the most eye-catching animals on the planet. There are quite a few that stand out, and both the oriole and goldfinch are well-known species displaying warm, bright hues. These North American aerial critters may be mixed up from time to time, as they do have some striking similarities. However, it […]
Continue readingThe grey heron and great blue heron are two standouts in the Ardeidae family of birds. Often described as majestic, the grey heron and great blue heron are a delight to see in person and worth seeking out. However, one challenge for bird watchers is telling the two species apart as they share several traits, […]
Continue readingNo matter where you live, you’ve surely come across the common backyard Wren once or twice. These brown passerine birds are part of the New World Troglodytidae family of 88 species. That includes the White-Bellied Wren, Riverside Wren, Monchique Wood Wren, and many more. The Carolina Wren and House Wren are the two most commonly […]
Continue reading