Chris Penny, Freshwater nano aquarium, CC BY 2.0 Despite its small size, setting up a nano aquarium is not necessarily easy, as it is interestingly more difficult to get a small system to run optimally. A nano aquarium is a…
Introduction In the world of alcoholic beverages, it’s crucial to grasp the distinction between distillates and fermented drinks like wine and beer. Contrary to common knowledge, all distillates start as fermented liquids. For instance, the initial step in crafting whiskey…
How an air lifter works An air lift is a tube into which air is blown at the bottom. Foam filters often work according to this principle. The air bubbles lower the density of the fluid in the pipe. This…
By a combination of factors such as unpredictable avalanches and steep slope. At 8,611 meters, the second highest mountain in the world – second only to Everest – is the champion in terms of danger. For every four climbers who…
Data sheet needle herb Botanical name: Crassula helmsii Origin: Australia and New Zealand growth height / size 10 to 20 centimeters leaf color: light green flower color: White behavior/stocking Location at the pond: pond shore heyday: July to September Light…
– (Gabriel Silveira/) Ethanol (or ethyl alcohol) is produced in plants from raw materials such as sugar cane, corn or beet. It is a biofuel, that is, a renewable fuel, which does not need materials of fossil origin, such as…
Macrobrachium assamense, ring hand shrimp, about 3 weeks old Source: Picture on Wikimedia Commons License: CC Attr. SA 3.0 Author: Tolderi ringlet hand shrimp, macrobrachium, grow to about 10 centimeters. To keep two males in an aquarium, the aquarium must…
»> They are relatively simple manufacturing equipment, which makes it possible to reuse waste to generate gas and fertilizer, also called biogas and biofertilizers. The biodigester is generally fed with food waste and animal feces, plus water. Inside the device,…
What air bubbles on the water surface mean If the rising air bubbles from an air stone remain for a long time or even cover the entire water surface, this can be an indication that the water is too heavily…
A medical examiner opens and analyzes the organs of three body cavities: skull, chest and abdomen, to discover the circumstances and causes of death. Only three situations require this type of examination: 1) violent or suspicious death, when the body…