The document lists and describes 25 inventions considered some of the worst in mankind's history. These include Agent Orange, used as a defoliant during the Vietnam War and later found to cause health issues; the electric chair, originated as a method for execution; and nuclear fission, which enabled nuclear weapons but also poses risks of nuclear war. Other inventions discussed include cigarettes, chlorofluorocarbons that damage the ozone layer, and asbestos, banned due to health effects from exposure.

1. Worst Inventions of Mankind
Check 25 Horrible Inventions

2. • Agent Orange
• Smell-O-Vision
• Gas Chamber
• The Electric Chair
• Nuclear Fission
• Cigarettes
• Chlorofluorocarbon CFCs
• Electric Facial Mask
• Gunpowder
• Hydrogen Blimps
• DDT
• Anti-Eating Mask
Worst Inventions of Mankind
Check 25 Horrible Inventions
• Red Dye No 2
• Asbestos
• Lead Gasoline
• Corn Syrup
• Dynamite
• Automobile
• Rockets
• Television
• Cellphones
• Internet
• Spam Emails
• Bed of Nails

3. • Agent Orange
Back in 1943, a biologist
Arthur Galston started working on a plant
hormone named triiodobenzoic acid. He
wanted to change the growth season of
soybeans, but it was not successful.
Instead, the crops started defoliating as a
result of agent orange.
Later, the U.S army used this Agent
Orange or herbicide to destroy the crops
of enemies for better view. The U.S
military troops used this worst invention
of mankind during the Vietnam War to
destroy thick forest of enemies.
Impacts of horrible inventions like Agent
Orange on humans and atmosphere were
worse. In fact, the side effects of Agent
Orange were adverse than expected. And
it caused birth defects and cancer in
Vietnam and among the U.S troops as
well.

4. • Smell-O-Vision
Smell-o-vision was the name of a
machine which used to let people to
smell whatever they see in the
movie. During 1960, a man named
Hans Laube applied this technique on
one movie, which was named “Scent
of Mystery”. How can you smell
whatever you see? Sound weird!
Although, the technique sounds so
funny where different scent was
projected through the tubes so that it
may reach to every seat in theatres.
Based on the song or picture, smell
was triggered. Smell-o-vision was
never used again.

5. • Gas Chamber
The gas chamber is considered as
one of the horrible inventions of
mankind. There were no good
intentions behind this invention
which was used as a torture cell in
humans and animals.
Number of people were kept in
large chambers forcefully during
the Holocaust in order to inject
poisonous gases. This was the
most preferred method to kill
millions of people in World War II.

6. • The Electric Chair
This process of execution by
electrocution was invented in 1881
by Alfred P. Southwick from Buffalo,
city of New York. This is the worst
invention ever of mankind, which
was originated in the United States.
Under this method of execution,
condemned prisoner is tied to a
wooden chair. He is then,
Electrocuted with electrodes placed
on his head and legs. This has been
used as an alternate method to
hang prisoners in the U.S and
Philippines.

7. • Nuclear Fission
Nuclear power is considered as a
sign of strength and power. On the
other hand, this is the worst
invention of mankind as nuclear
war has its own uncontrollable
side effects.
Scientists made the discovery that
if you remove the nucleus of the
atom, it releases large amount of
energy. As a result of this
invention, the number of nuclear
weapons have been created which
are highly toxic for living beings.

8. • Cigarettes
Tobacco rolled into a piece of
paper was invented in the ninth
century as cigarette. In the
beginning, cigarettes were just
discovered as a religious ritual and
now it has become an addiction.
Cigarette smoking is injurious to
health, and it may cause death as
well. Around half of the smokers
die with tobacco related diseases
and that is the worst invention
ever.

9. • Chlorofluorocarbon CFCs
CFCs chemical is highly toxic to the
atmosphere of earth. This chemical
compound is called Freon gas, which
is used in refrigerators.
Chlorofluorocarbon is damaging the
protective ozone layer of earth. We
all know that ozone layer protects us
from the cancerous UV rays of the
sun. Unfortunately, such worst
invention of mankind is deteriorating
ozone layer year by year.

10. • Electric Facial Mask
Electric facial mask claims to make
your skin fresh and younger while
massaging your face. Scary
enough! I think we all would love
to choose the manual facial
procedure instead of this horrible
invention.

11. • Gunpowder
Gunpowder is another worst
invention of mankind from the
seventh century. It was invented
accidentally by a Chinese
Alchemists, while looking for
medicine for immortality.
They found that mixture of sulfur,
potassium nitrate and charcoal is
capable of creating a strong
weapon. What an irony! The
weapon has killed millions since
its invention.

12. • Hydrogen Blimps
Usually helium is used in blimps or
airships. But in 1931, Hindenburg
disaster occurred, when the
makers of this airship decided to
use hydrogen instead.
The hydrogen being more volatile
in nature, caught fire and the
airship was destroyed causing 36
casualties.

13. • DDT
Dichloro-diphenyl-trichloroethane DDT is
an insecticide to kill mosquitoes. It was
frequently used during World War II.
However, later researchers found that it
has drastic impacts on the human health,
causing neurological and fertility problems.
After this worst invention in 1873, it was
banned due to the adverse impacts on
humans and animals.

14. • Anti-Eating Mask
The anti-eating mask is funny yet a
horrible invention of mankind. It is
used by those people who do not
want to eat anything for fear of
getting obese.
The mask consists of strips to be tied
around your mouth in order to
restrict you to eat anything. This
apparatus covers your mouth and the
strips go around your whole head.
This seems so cruel!

15. • Red Dye No 2
Another worst invention of
mankind was Red Dye No 2, a food
colour frequently used during the
1970s. Later, Russian scientists
found that Red Dye No 2 can cause
cancer.
Although, nobody was affected by
this horrible invention, but it
became the reason behind ban of
M&Ms chocolate for a decade.

16. • Asbestos
This heat resistant material used in
construction proves to be harmful
when reconstruction starts.
Asbestos was banned in 1989
because of its’ life threatening side
effects like chest pain, breathe
shortness and other abnormalities.

17. • Lead Gasoline
There was a time when lead was
mixed with gasoline to increase
the octane number so that car
engine can be better knocked.
However, after being used for six
decades, it was banned due to
its adverse impacts on the
environment and human beings.

18. • Styrofoam
This is one of the extruded
polystyrene foam used in making
cups, plates and other products.
Styrofoam is a carcinogenic
substance which can keep your
soda cold, but it can also give you
cancer.

19. • Corn Syrup
Corn syrup has been frequently
used as a replacement of sugar in
processed food. It is used to
sweeten the food and enhance its
flavour. Unfortunately, this
invention of mankind is not going
to help you with obesity and it
may get worse instead.

20. • Dynamite
• Dynamite is one of the
horrible inventions by
Alfred Nobel used to blast
rocks and blow stuffs. This
has many deadly
consequences and proved
fatal for the earth.

21. • Automobile
No doubt automobile is
considered as one of the
great inventions as it has
reduced the time to reach to
the destination. At the same
time, automobiles are the
reason behind many
accidents every year and it
has killed and injured
millions.

22. • Rockets
Rockets have been used by
scientists in order to launch a
satellite or to power the
spaceship. However, they are
the reason behind massive
destruction through carrying
nuclear weapons against
enemies. This is also one of the
worst inventions ever.

23. • Television
Television has been considered as
the greatest invention of all times
due to the amount of information
it delivers along with
entertainment. However,
spending hours and hours in front
of this box has increased the
obesity rate among younger and
elders.

24. • Cellphones
Cellphone is one of the helpful device
created ever which has
made communication easy. Although,
smartphones have made life easier so
that people may connect with each
other, but it has also created
differences among generations.
This is also one of the worst
inventions ever because people have
become addicted to this invention
now.

25. • Internet
The internet has made life easier
and everything is just one click
away. This is one of the best and
worst invention at the same time
for a number of reasons. You can
get in touch with anyone fast and
remain updated 24/7.
On the other hand, this invention
has reduced the need of
newspaper and books. People
prefer to read things on their
phone and laptop now.

26. • Spam Emails
Spam Emails are considered as
one of the horrible inventions of
mankind. Malware or viruses are
sent through emails in order to
infect your computer.
It is used to steal your confidential
information like email, passwords,
and credit card details. It may
delete your important data stored
on the system.

27. • Bed of Nails
Bed of nails is another horrible
invention of the century. It is a bed
size wooden plank with numerous
nails pointed upwards. The weight
of an object placed on this bed of
nails is distributed equally on each
nail.
Therefore, the observant may think
that anyone lying on it may get
injured. However, pressure imposed
by each nail is not enough to kill or
injure anyone. But there is seriously
no use of this kind of invention
which may hurt anyone any time.

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