Kids
Touchscreen
A touchscreen, also known as “surface” computing, is a virtual display complete with a sensitive screen that recognizes touch by the finger or hand. Touchscreens are able to complete commands based on the position of a touch. Touchscreen technology took off after the release of the iPhone in July 2008. In the late 1960s, research [...]
Crane
A crane is a tower or derrick equipped with cables and pulleys that can be used both to lift and lower materials and to shift them horizontally. Cranes are commonly employed in the construction industry and in manufacturing heavy equipment. Construction cranes are usually temporary structures, either fixed to the ground or mounted on a [...]
Hexagon
Hexagon: a polygon having six sides.
Sandstorms
Sandstorms are not just the stuff of legend; rather, they’re a real phenomenon in which strong, dry gusts of wind sweep over a desert area and create massive “clouds” of sand and dust. Sandstorms reduce visibility and can grind the daily life of a city to a halt if they are severe enough. They are [...]
Galaxies
Every galaxy in the universe has on average one hundred billion stars in it. The vast majority of these stars are small and difficult to see: cool red dwarfs and dim white dwarfs.
Water and Oil
Why they don’t mix
Planetarium
Planetarium explained, for kids
Dry Eye
Dry eye occurs when the eye does not produce tears properly, or when the tears are not of the correct consistency and evaporate too quickly. In addition, inflammation of the surface of the eye may occur along with dry eye. If left untreated, this condition can lead to pain, ulcers, or scars on the cornea, [...]
Balance
Balance is defined as a state of equilibrium.
Antibiotics
Antibiotics explained, for kids
Right Triangles
A right triangle has one angle equal to 90 degrees. A right triangle can also be an isosceles triangle–which means that it has two sides that are equal. A right isosceles triangle has a 90-degree angle and two 45-degree angles. This is the only right triangle that is an isosceles triangle. This version of the [...]
Whales
Whales are the largest animals. The largest whale is the giant blue whale which can reach lengths of 90-100 feet and weight as much as 120-150 tons. The commonly seen finback whale is the second largest animal to ever appear on earth.
Cyclone
cyclones explained, for kids
Matches
matches explained, for kids
Rhinoceros
A rhinoceros is any of five surviving species of odd-toed ungulate in the family Rhinocerotidae. All five are native to Africa or Asia.
Perspective
“Perspective” in art
Centipedes
centipedes explained, for kids
Minerals explained, for kids
Minerals explained, for kids
Migraine Headaches
Migraine headaches explained for kids
