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- Physics provided new opportunities ( advanced technology)  for scientists and expanded the scope of physical research
- Scientists put physics towards research and military technology, which formed a basis for subsequent research in areas of basic science
-Physicists contributed to the war effort by developing wireless communications
-Physics created sound-based methods of debating U-boats
- It also created nuclear weapons, maintenance, storage, and security
- French artillery officers were often trained as engineers

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- study in plasma physics, lithography (type of printing process), semiconductors, lasers
- technology constantly improving and advancing
- helps with understanding AI and quantum computing
- breakthroughs in nanotechnology
- "colossal magnetoresistance" : promise to increase data storage further
- improving family and daily lives:
- mobile phones, microwaves, etc rely on computer chips
- quantum, molecular, DNA computing
- development of the chip allows for new brain implants for hearing and vision impaired (nanotech)
- development of super computers : safekeeping and reliability of nuclear weapons

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- Velocity and a known time allow the receiver to determine the distance to the satellite
- The travel distance can be calculated by D= TxC where D is the travel distance, T is travel time, and C is the speed of light
- Satellite emits a signal in the form of microwaves which microwaves can travel at the speed of light
- A special type of quantum sensors which are quantum accelerometers and quantum gyroscopes can be combined into quantum autonomous navigation systems

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-The laws of physics apply to astrophysics, as it allows astrophysicists to explore and deeper understand our universe
-Physics and Mathematics are the core of astrophysics
-physics is used in the design of instruments
-Astrophysicists use different elements of physics such as nuclear physics to study power generation in stars, electricity, thermodynamics, statistical mechanics, and magnetism
-Astronomy is a sub-discipline of physics, so it is important to our understanding of gravity and its Newton levels

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Faster Communications:
- Voice communication
- Internet service
- Video
- Reach private homes through laser-based fiber optics
- $100 billion telecommunications industries rely on lasers to carry optical data
Pain-Free Surgery:
- Used in millions of medical procedures to perform eye surgery to skin cancer removal
- $3.2 billion in revenue from LASIK alone
- Reduces needs for general anesthesia
- Less bleeding and infection
Revolutionizing Entertainment:
- CDs, DVDs, checkout scanners, and scanners rely on lasers
- The global market exceeds $3.5 billion in laser-based optical storage products
Laser Tools in Industry:
- Holograms
- Laser Cooling
- Optical Tweezers

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Medical Imaging
-Helps save millions of lives each year
-A $6 billion industry that employs over 33,000 people in the U.S.
Examples:
-Cat Scans: provides detailed 3D imagery
-MRI- used to investigate tumors and other complications involving the brain
-Ultrasound- gives doctors earlier and more accurate information on fetal development.
-Mammography- low-dose X-rays used for the detection of breast cancer
-PET scans- used to diagnose Parkinson's, Alzheimer's, and other brain diseases
-Digital X-rays- allow radiologists to gather high-quality and expose patients to lower doses of X-rays.

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- It helps predict the weather
- Helps decrease carbon emissions
- Physics helped improve the fuel economy for larger trucks the create higher mileage but with lower fuel emissions.
- It created energy alternatives by converting light to electricity
- Physics helped create genetically engineered microbes to break down toxic materials at waste dumps and chemical spill sites.

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The Importance of Physics in life & Engineering 

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The Importance of Physics in life & Engineering 

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- It is important to study physics at school because it helps enhance technology and
theories that explain reality.
- Helps with problem-solving, analytical, and quantitative abilities.
- Physics is happening every day in our life. For example, ironing clothes, cooking, washing, and entering a telephone call.
- Mathematics and chemistry are parts of physics that play a part in engineering.
- Electrical engineering has something involved with physics which is called electrical physics.
- Computer engineering is involved with biology which has a thick link to physics.