The Borneo Post - Good English




Benjamin Franklin was many things in his lifetime: a printer, a postmaster, an ambassador, an author, a scientist, a Founding Father. Above all, he was an inventor, creating solutions to common problems, innovating new technology, and even making life a little more musical.

Despite creating some of the most successful and popular inventions of the modern world, Franklin never patented a single one, believing that they should be shared freely: “That as we enjoy great Advantages from the Inventions of others, we should be glad of an Opportunit­y to serve others by any Invention of ours; and this we should do freely and generously.”

Here are some of Benjamin Franklin’s most significan­t inventions:

Lightning Rod

Franklin is known for his experiment­s with electricit­y (most notably the kite experiment), a fascinatio­n that began in earnest after he accidental­ly shocked himself in 1746. By 1749, he had turned his attention to the possibilit­y of protecting buildings — and the people inside — from lightning strikes. Having noticed that a sharp iron needle conducted electricit­y away from a charged metal sphere, he theorized that such a design could be useful:

“May not the knowledge of this power of points be of use to mankind, in preserving houses, churches, ships, etc., from the stroke of lightning, by directing us to fix, on the highest parts of those edifices, upright rods of iron made sharp as a needle...Would not these pointed rods probably draw the electrical fire silently out of a cloud before it came nigh enough to strike, and thereby secure us from that most sudden and terrible mischief!”

Franklin’s pointed lightning rod design proved effective and soon topped buildings throughout the Colonies. (Learn more about the lightning rod.)


Like most of us, Franklin found that his eyesight was getting worse as he got older, and he grew both nearsighte­d and far-sighted. Tired of switching between two pairs of eyeglasses, he invented “double spectacles,” or what we now call bifocals. He had the lenses from his two pairs of glasses (one for reading and one for distance) sliced in half horizontal­ly and then remade into a single pair—with the lens for distance at the top and the one for reading at the bottom.

Swim Fins

An avid swimmer, Franklin was just 11 years old when he invented swimming fins — two oval pieces of wood that, when grasped in the hands, provided extra thrust through the water. (He also tried out fins for his feet, but they weren’t as effective.) He wrote about his childhood invention in an essay titled “On the Art of Swimming”:

“When I was a boy, I made two oval [palettes] each about 10 inches long and six broad, with a hole for the thumb in order to retain it fast in the palm of my hand. They much resembled a painter’s (palettes). In swimming, I pushed the edges of these forward and I struck the water with their flat surfaces as I drew them back. I remember I swam faster by means of these [palettes], but they fatigued my wrists.”

The Franklin Stove

In 1742, Franklin — perhaps fed up with the cold Pennsylvan­ia winters — invented a better way to heat rooms. The Franklin stove, as it came to be called, was a metal-lined fireplace designed to stand a few inches away from the chimney. A hollow baffle at the rear let heat from the fire mix with the air more quickly, and an inverted siphon helped to extract more heat. His invention also produced less smoke than a traditiona­l fireplace, making it that much more desirable.

Urinary Catheter

Franklin was inspired to invent a better catheter in 1752 when he saw what his kidney (or bladder) stonestric­ken brother had to go through. Catheters at the time were simply rigid metal tubes — none too pleasant. So Franklin devised a better solution: a flexible catheter made of hinged segments of tubes. He had a silversmit­h make his design and he promptly mailed it off to his brother with instructio­ns and best wishes.


“Of all my inventions, the glass armonica has given me the greatest personal satisfacti­on.” So wrote Franklin about the musical instrument he designed in 1761. Inspired by English musicians who created sounds by passing their fingers around the brims of glasses filled with water, Franklin worked with a glassblowe­r to re-create the music (“incomparab­ly sweet beyond those of any other”) in a less cumbersome way.

The armonica (the name is derived from the Italian for “harmony”) was immediatel­y popular, but by the 1820s it had been nearly forgotten. 1. Where is China located? A Americas

B None of the above C Asia

D Europe

E Africa

2. How old is earth? A 4678 trillion years B 50 years

C 100 million years D 4543 billion years E 500 million years

3. How old is the sun? A 4567 million years B 4613 billion years C 4603 million years D 4603 billion years

4. How many moon(s) does earth have? A3


C None of the Above



5. How far is earth from the sun? A 5678 trillion km

B 5000 billion km

C None of the above

D 1496 million km

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