Inventions- Yesterday & Today!

Inventions- Yesterday & Today!

Tell me how you use the inventions of yesterday, today?!

Electric Automatic Traffic Signal

Garret Morgan is credited with inventing the first electric automatic traffic signal in 1923. Morgan’s design used a T-shaped pole and had three positions.

Television

The world’s first electronic television is credited to Philo Taylor Farnsworth in 1927. Though other mechanical television inventors such as John Logie Baird and Charles Francis Jenkins had successes in television technology, Farnsworth’s invention is considered the direct ancestor of our modern electronic television.

Vacuum Cleaner

In fact, in 1920 Air-Way Sanitizer of Toledo, Ohio, introduced a vacuum cleaner with a disposable bag. In 1926, the popular vacuum company Hoover developed a positive agitation system that greatly increased dirt removal efficiency. Cleaning household carpets became a lot easier and much faster.

Electric Blender

Are you a fan of milk shakes? The first electric blender made its appearance in 1922. Stephen J. Poplawski is credited for the electric blender that was first used for making milk shakes and malts. In 1932, Poplawski received patents for a blender that worked well for fruits and vegetables.

The Band-Aid

Earle Dickson, a Johnson and Johnson employee, created the first adhesive bandage for small wounds in 1920. Johnson and Johnson mass produced machine-made Band-Aids® in 1924.

Electric Razor

While Jacob Schick suffered an injury at an Alaska gold exploration, he experienced much pains when he tried shaving his beard, but had time to recover. With time on his side, he had plans to come up with a design featuring a shaver with a head powered by a flexible cable and an external motor.

Convertibles

In 1922, Ellerbeck came up with the idea that it was going to be useful, even to date. He made and rode the first convertible automobile. The designs weren’t fully accepted, but a few years later, the likes of Chrysler, Lincoln, and Cadillac produced different convertible models for the Americans.

Water Skiing

As a teenager, Ralph Samuelson, who hailed from Minnesota, was curious about invention a replica of snow skiing. Later, he demonstrated with two long woods with softened and curved ends, with leather straps to hold him firm on each ski and a tow rope.

Cheese Burger

Lionel Sternberger made the cheeseburger in his father’s stand at the request of a customer. The said customer wanted cheese in his dish of hamburger; Lionel added cheese, and it tasted good, so he got interested in continuing the delicacy. After the first cheeseburger he made, he added the food on their menu so anyone can order it.

Poll

How many of you have used or are planning to use one or more of these inventions?

Open Ended

Final Activity- After examining each of the inventions from the 1920's, describe how these inventions have changed your life in 2021? Describe how they make your life easier? (Be sure to include each of the inventions you saw in this presentation)