Physical Address
Suite 5, 181 High Street,
Willoughby North NSW 2068
Compared to the SI (metric) system of measurement, the imperial system is a hodgepodge of different units. People in the United States of the future will hopefully recognize the elegance of the metric system and relegate the imperial system to…
The simplest way to establish the pH of a substance – to figure out whether it is acidic or alkaline – is to use red and blue litmus papers. Red litmus paper reacts to alkaline substances by turning blue, while…
Many sea animals eat algae around the globe, from small crustaceans, including bristle worms (Polychaeta) and snails (Gastropoda), to large mammals such as manatees (Trichechus spp.). Seaweed is a valuable food source for sea animals that eat algae – full…
Weathering processes crack, wear away, and weaken rocks. Over time, it may cause large changes to the landscape. Physical and chemical weathering degrade rocks in different ways. While physical weathering breaks down a rock’s physical structure, chemical weathering alters a…
There are many different ways to measure the speed something is turning, but you’ll need to understand what they actually mean if you need to convert from one to another. For instance, if the crankshaft of a car engine is…
Peacocks are showy, flashy birds known for their large tail plumage, brightly colored heads and proud avian strut. From the pheasant family of birds, peacocks are the male version of the group known as peafowl (the females are called peahens),…
The name “hummingbird” comes from the slight hum noise created by their rapidly beating wings. They’re so light that it would take around 150 hummingbirds to make up a single pound. Hummingbird mating is a lot like other bird mating…
Three-phase power is a widely used method for generating and transmitting electricity, but the calculations you’ll need to perform are a little more complicated than for single-phase systems. That said, there isn’t much extra you have to do when working…
Electricity and Conduction To understand why salt water conducts electricity, we have to first understand what electricity is. Electricity is a steady flow of electrons or electrically charged particles through a substance. In some conductors, such as copper, the electrons…
The tallest land animals in the world and the largest of Earth’s grazing ungulates, giraffes (Giraffa camelopardalis) live in the savanna grasslands of sub-Sarahan Africa. Giraffes exhibit several characteristics developed through their evolution in a grassland environment in which scattered…
