Who invented the television?


Philo Farnsworth was just a fourteen year old high school student when he came up with the idea that an electron beam could scan pictures back and forth and transmit them to remote screens- in other words, he thought up TV! While such an amazing invention could not be the work of one man alone, […]

Who invented the telephone?


Alexander Graham Bell invented the telephone in 1876. The first words he spoke on his telephone were, “Watson, come here. I need you.” Watson was his assistant’s name. That happened in 1875-76. However Antonio Meucci had a working telephone since 1848 in Havana and a perfected model by 1871. On that year Meucci filed for […]

Is the Bell 206 Jetranger still in production today?


Unfortunately, some good things must come to an end, the Bell 206, JetRanger is one of them.   Although a popular , an useful,  mid-size helicopter…Bell Helicopter Textron decided to cease production, moving on to promote the ”407”, A multi-bladed med-size helicopter, to make more money. The 206, ”Jetranger”, from private use…F.A.R.PART 91……TO F.A.R. PART 135 Air […]

What is the difference between Plasma TV and an LCD TV?


The physical appearance is deceiving when it comes to LCD and Plasma TV they are both thin and flat but they employ different technology with the main objective to deliver the same result; to entertain; A Plasma TV is made from a loosely flourescent bulb and the display consists of cells. Inside the cell there […]

Who invented sewing machines?

sewing machine

Hand sewing is an art form that is over 20,000 years old. The first sewing needles were made of bones or animal horns and the first thread was made of animal sinew. Iron needles were invented in the 14th century. The first eyed needles appeared in the 15th century.   BIRTH OF MECHANICAL SEWING The […]

10 Accidental Inventions.


They say, ‘Necessity is the mother of invention,’ and they also say, ‘You can’t cry over spilt milk.’ But nobody every says, ‘Spilt milk is the mother of invention.’ They should; after all, countless discovers and inventions we take for granted today were the direct result of some careless mishap. Here are 10 of them: […]

How was the lightbulb first produced?


The first electric light was created by Humphry Davy in 1809. He took two wires and attached them to a battery. Then he took a strip of charcoal and places it between the other two ends of the wires hooked up to the battery. The carbon in the charcoal became charged and produced a glow, it was […]

How do air brakes function on commercial vehicles?

Air brakes use a compressor which is powered by the engine of the vehicle to compress air, which is stored in tanks, and then used to apply the braking system and stop the vehicle.  When the driver presses the brake pedal, they are operating a valve which controls the air pressure release into the brake […]

When was the Tape Recorder Invented?


A tape recorder is a device that records fluctuating signals by running a magnetic tape over an electromagnet.  This will effectively record sound waves and then play them back with an appropriate device.  Tape recorders use this magnetic recording to what they do.  A man named Valdemar Poulsen was the first to use magnetic recording […]

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