Inventions Innovations IntroductionDefinition Inventions the first occurrence of
- Slides: 7
Inventions & Innovations
Introduction—Definition Inventions = the first occurrence of an idea for a new product. Innovations = improvements / developments in products – e. g. The computer (invention); YOUTUBE (innovation)
ELECTRICITY Set of physical phenomena associated with the presence and flow of electric charge. It gives a wide variety of well-known effects, such as lightning and static electricity o Complex history: - 15 th century: Arabs - 17 th and 18 th century: William Gilbert and Benjamin Franklin - Late 19 th century: Alexander Graham Bell and Thomas Edison
Benefits • The production, transmission and distribution of electric energy is easier than other forms of energy. • It is a clean energy. • It can easily be converted into other forms of energy • Electricity gives us a more convenient life • Street lighting , traffic control , communications (telephones), computers, radio & television • Electricity can be used to start a person’s heart.
ECSTASY It is a psychoactive drug in the amphetamine class which can cause feelings of euphoria (extreme happiness) • Also called MDMA • Illegal drug under a United Nations Agreement • Discovered by Anton Köllisch (1912) • THE most representative Rave drug
Drawbacks Many effects on the human body and brain It is highly addictive—Striking design Dehydration & Hyperthermia Bad side effects, include insomnia, mood changes • Lots of dancing can also put pressure on the heart • •
Conclusion • Electricity’s disadvantages: expensive value • Ecstasy’s advantages: reduce fair, useful in psycotherapy
