Kids
Astrology
Astrology explained, for kids
Clocks
Before the invention of mechanical clocks, timepieces used the sun’s motion or simple measurement devices to track time.
Periscope
periscopes explained, for kids
Elasticity
Elasticity explained, for kids
Hologram
HOLOGRAPHY is the process of recording a three-dimensional image of an object using the special properties of light from a LASER. Unlike photography, which only records the brightness and contrast of an object, a HOLOGRAM records brightness, contrast and DIMENSION. This allows holography to display the final image in true 3D. You do not need [...]
Vinyl Records
vinyl records explained, for kids
Wireless
Wireless technology, brief explanation for kids
Spine
spine explained, for kids
Rubber
Rubber explained, for kids
Wisdom Teeth
Wisdom teeth are the third and final set of molars that most people get in their late teens or early twenties. Sometimes these teeth can be a valuable asset to the mouth when healthy and properly aligned, but more often, they are misaligned and require removal.
Flies
Flies explained, for kids
The Pulse
Feeling the pulse is one of the hallmarks of the medical profession, and has been for many a century. As well as being informative, this action can give the doctor something physical to do while he takes time to think. The pulse is most commonly felt where the radial artery lies near the surface on [...]
Cheese
cheese explained, for kids
Fault Lines
Normal faults generally occur in places where the lithosphere is being stretched. Consequently they are the chief structural components of many sedimentary rift basins (e.g. the North Sea) where they have major significance for hydrocarbon exploration. They can also be found in deltas, at the rear edges of huge gravitation slumps and slides. Normal faults [...]
Fermentation
fermentation explained, for kids
Hearing Aids
A hearing aid is a small electronic device that you wear in or behind your ear.
Dehydration
Dehydration occurs because there is too much water lost, not enough water taken in, or most often a combination of the two.
Stingray
The stingrays are a group of rays, cartilaginous fishes related to sharks. They are classified in the suborder Myliobatoidei of the order Myliobatiformes, and consist of eight families: Hexatrygonidae (sixgill stingray), Plesiobatidae (deepwater stingray), Urolophidae (stingarees), Urotrygonidae (round rays), Dasyatidae (whiptail stingrays), Potamotrygonidae (river stingrays), Gymnuridae (butterfly rays), and Myliobatidae (eagle rays). Most stingrays have [...]
Mulch
Mulch explained, for kids
