Most microscopes are parfocal, which is the desired objective by most users. But why is it desirable that microscope objectives be parfocal? Why are they preferred over other microscope objectives, such as low-power or scanning? In simpler words, parfocal microscope objectives stay focused even when the magnification changes. So, if a scientist changes the microscope […]
Continue readingOne of the most common birds in Nevada is blackbirds. Ironically, while all the birds on our list are lumped under the “Blackbird” name, most are quite colorful. Also, most blackbirds in Nevada are New World Blackbirds, unlike their European Blackbirds cousins. There are 14 blackbird species in Nevada, including 11 that are classified as […]
Continue readingYou’re more likely to encounter sea or wading birds in Alaska than terrestrial species like blackbirds. That’s not surprising given that it has the most miles of shoreline in the lower 48 states at over 46,600 miles, according to the National Oceanic and Atmospheric Administration (NOAA). Bear in mind that its average low temperature is […]
Continue readingJust south of the United States sits the amazing country of Mexico, which, for many, is a birdwatcher’s paradise. Mexico has a wide range of ecosystems that are home to an incredible variety of bird species, including the topic of today’s article, the blackbird. Mexico is considered a “mega biodiverse” country with more bird species […]
Continue readingInsects make up about two-thirds of a titmouse’s diet.1 But if you’re trying to attract a titmouse to your yard, that won’t do much for you. So, here, we focus on the other third of a Titmouse‘s diet. You can fill up your feeders with these great foods, and if there are titmice around, you […]
Continue readingFPV drones allow you to pilot them from the perspective of being onboard the drone itself. Any drone that is flown remotely with a controller, combined with goggles and a heads-up display for the pilot to receive footage from the drone’s onboard camera and transmitter, is considered an FPV drone. Being able to pilot a […]
Continue readingPhotographers who work for big publications like National Geographic must be so brave when they’re getting up close and personal to a majestic lion or an elephant on the African savannah, right? There’s no denying their job isn’t rainbows and butterflies all the time, but a commonly used lens by these photographers is called a […]
Continue readingOften referred to as falling stars, meteors are the streaks of light that are sometimes seen flashing across the sky. They’re made when pieces of space rocks skim the Earth’s (or another planet’s) atmosphere, and they actually have nothing to do with stars at all. Although they can be caused by chunks of ice and […]
Continue readingArdea Herodias, or the blue heron, is a magnificent heron that calls much of North America and even some areas of Central America Home. You can find these birds wading and foraging for food in coastal environments and freshwater habitats. However, they will often nest in more secluded wooded swamps or islands for safety from […]
Continue readingHerons are some of the most striking and majestic creatures in our skies, but they’re commonly seen around marshes and swamps. Great blue herons are a larger version of the white heron, living in most parts of North America. As you might expect, they mostly eat fish, but they’re not particularly picky eaters. About Great […]
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