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Period: 1492 to
Modern Age
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Compound microscope
ADVANTAGES
-Easy to operate
- Portable microscopes are accessible to any user.
DISADVANTAGES
-Lower resolution
-Observation is limited to structures at a lateral distance less than half the wavelength of light apart.
-Structures will become blurry and hard to determine -
Thermometer
ADVANTAGES:
- It is easy to read
- It is accurate (Only on a certain scale)
- They are easy to use
DISADVANTAGES
-You can only measure temperatures between (- 39ºC --------> 357ºC)
- It is very fragile, (It breaks easily)
- Does not support sudden changes in temperature -
Umbrella
Advantages
-Protects you from the rain
-Protect yourself from the harmful effects of the sun
-It is portable, lightweight and easily transportable from one place to another
Disadvantages
-Sooner or later, the rain will stop and you will find yourself stuck holding the umbrella
-Many an umbrella has seen its disappearance when the wind rises and destroys it -
Piano
ADVANTAGES
-The piano can be used for a wide variety of music, from classical to jazz.
-Pianos are generally very versatile and can be used to accompany or play alone.
DISADVANTAGES
-Pianos are generally very expensive.
-Pianos require a large amount of space, which can be a problem for some people. -
Hot air balloon.
ADVANTAGES
-They consume little fuel.
-They do not expel gases harmful to the environment or health.
-They move with the wind or wind waves.
DISADVANTAGES
-They cannot be moved from one city to another.
-If the wind changes direction, the balloon also changes direction.
-The engine is very hot.