VIBGYOR

R a D I o    W a V E s Radio waves belongs to the unguided media and they are of different frequencies ranging from 3 KHz to 300 KHz. T...

W e B    P a g E A web page is a simple text file that contains not only text but also a set of HTML (Hyper Text Markup Language ) tag...

M o U N t A i N     B u i L D i n G The process involved n mountain building-termed orogenesis  occur as a result of the movement of t...

S a F E t y     P i N The  safety pin was the invention of  WALTER HUNT.  HUNT  was a mechanic from New York, whose other inventions i...

  H o T   A i R   B A L L o O n S Hot air balloons are the oldest and most successful human carrying flight technology. The first bal...

F L y I N g     M a C H i n E On 17 December 1903 in an  American town called Kitty Hawk, two bicycle mechanics changed the World fo...

G L i d E r A glider is a light, small winged aircraft designed similar to a aeroplane, but with notable differences. The wings of a ...