Category Archives: Technology

When was Radar invented?

Sir Robert Watson-Watt in the year 1935 invented the first practical radar in the United Kingdom. A Handley Page Heyford bomber was detected by his radar from a distance of… Read more »

When was the curling iron invented?

In the year 1890, the curling iron or curling tong was actually invented by Marcel Grateau. Rene Lelievre and Roger Lemoine in 1959 invented the first electric curling iron.

When was Velcro invented?

In 1948, Velcro was invented by the Swiss electrical engineer George de Mestral in France. Velcro is the trade mark of the first commercially marketed fabric hook-and-loop-fastener. It compromise of… Read more »