When was Breathalyzer invented?
The breathalyzer or breathalyser was the first practical instrument invented by Professor Robert F. Borkenstein of Indiana University in the year 1954. The level of alcohol in the person’s blood… Read more »
Category Archives: Technology
When was Macintosh Computer invented?
On 24th January 1984, the first operating system was introduced by Apple by the name Macintosh. Due to graphic user interface and mouse its popularity enhanced as the first commercial… Read more »
When was the first Electroscope invented?
Around the year 1600, a British physician William Gilbert invented the first scientific electroscope that was a pivoted needle called the versorium. A British inventor, John Canton in the year… Read more »
When was BASIC computer language designed?
In the year 1964, the mathematicians John George Kemeny and Tom Kurtzas at Dartmouth College designed BASIC programmable language. It denotes Beginner’s All Purpose Symbolic Instruction Code and was designed… Read more »
When was the automatic doors invented?
In the year 1954, Lew Hewitt and Dee Horton invented the first automatic sliding door and in 1960 it was installed for the first time.
When was answering machines invented?
Valdemar Poulsen in the year 1898 invented the answering machine. In the year 1935, Willy Muller created the first automatic answering device. It is also known as message machine or… Read more »
When was Anemometer invented?
The first mechanical anemometer to measure the speed of wind was invented by an Italian art architect, Leon Battista Alberti in the year 1450. In the year 1846, Dr. John… Read more »
When was the electronic door bell invented?
Joseph Henry in the year 1831 invented the electric doorbell.
When was the Hubble Space Telescope invented?
In the year 1929, Edwin Hubble invented the Hubble space telescope and on 24th April 1990, it was launched by NASA into the space around the planet, Earth. The Hubble… Read more »
When were eyeglasses invented?
On 16th September 1284, the first wearable eyeglasses of metal lens were invented by an Italian, Salvino d’Armati. The British optician Edward Scarlett in 1727 invented the eyeglasses frame of… Read more »