Bicycle 101 Bicycle 101 The basic principle as
Bicycle 101
Bicycle 101 The basic principle, as simply as possible
Bicycle 101 1866 – Pierre Lallement invents the Velocipede A historical perspective
Bicycle 101 Angular momentum L=mvr Key facts
Bicycle 101 Importance of acting like a cyclist
Bicycle 101 The seven steps of the bicycle method 1. Determine the direction you wish to go 2. Determine whethere is a paved surface 3. Point the bicycle in the proper direction 4. Pedal furiously 5. Determine how far you have moved 6. Determine what change in direction is required 7. Call a cab Easily learned steps of the method
Bicycle 101
Bicycle 101 ? ? ?
Bicycle 101
Bicycle 101
Science Bicycle 101
Science 101
Science 101
The Lives of the Scientist
The Lives of the Scientist
Science 101 Our role
Science 101 Our role
A process, . . . not a body of facts Science 101 Our role But once you learn it… it's yours for life
Energy
Energy
Energy
Energy
Energy
Importance of visualization in science
Importance of visualization in science
Visualizing Energy
Visualizing Energy
Visualizing Energy High Energy State Low Energy State
Visualizing Energy High Energy State Low Energy State (cheap refrigerator magnet)
Visualizing Energy High Energy State Low Energy State (cheap refrigerator magnet)
Visualizing Energy High Energy State Low Energy State
Visualizing Energy High Energy State Low Energy State
Visualizing Energy High Energy State Low Energy State
Visualizing Energy High Energy State Low Energy State
Visualizing Energy
Visualizing Energy High Energy State Low Energy State
Visualizing Energy What are the components? …for other forms of energy? High Energy State Low Energy State
Visualizing Chemical Energy Life: The play of water Water: The play of oxygen O Eight electrons H H H 2 O
Visualizing Chemical Energy Life: The play of water Water: The play of oxygen O H + - Eight electrons + H H 2 O Low Energy State
Visualizing Chemical Energy High Energy State O 2 O H 2 H + - + H H 2 O Low Energy State
Visualizing Chemical Energy High Energy State O 2 O H 2 H + - + H H 2 O Low Energy State
Visualizing Chemical Energy High Energy State O 2 O H + - + H H 2 O Low Energy State
Visualizing Chemical Energy High Energy State O 2 O H 2 H + - + H H 2 O Low Energy State
Visualizing Photosynthesis
Visualizing Photosynthesis How can light be put to work? * Low Energy State
Visualizing Photosynthesis
Visualizing Photosynthesis Sympathetic vibration - resonance http: //www. bsharp. org/physics/swings
Visualizing Photosynthesis Sympathetic vibration - resonance 0 0 0 http: //www. bsharp. org/physics/swings
Visualizing Photosynthesis Sympathetic vibration - resonance Time Distance from you Force on swing Push at same frequency Transfer of energy through resonance. . . if frequencies match
Visualizing Photosynthesis Sympathetic vibration - resonance Distance from you Force on swing Push at same frequency Force on swing Push at twice frequency Force on swing Push at half frequency
Visualizing Photosynthesis Sympathetic vibration - resonance Press silently Bang then let go Transfer of energy through resonance. . . if frequencies match
Visualizing Photosynthesis Sympathetic vibration - resonance Infrared (low frequency, low energy) (high frequency, high energy) Ultraviolet Transfer of energy through resonance. . . if frequencies match
Visualizing Photosynthesis Sympathetic vibration - resonance Which color light will be absorbed (put to use)? Chlorophyll Transfer of energy through resonance. . . if frequencies match
Visualizing Photosynthesis Sympathetic vibration - resonance Which color light will be absorbed (put to use)? Carotenoids Transfer of energy through resonance. . . if frequencies match
Visualizing Photosynthesis Low Energy State
Visualizing Photosynthesis High Energy State Low Energy State
Visualizing Photosynthesis High Energy State Low Energy State
Visualizing Photosynthesis Glucose High Energy State Fate of glucose? Low Energy State CO
Visualizing Photosynthesis High Energy State O H + - + H H 2 O Not as Low Energy State Fate of chlorophyll?
Visualizing Photosynthesis O 2 High Energy State O H + - + H H 2 O Not as Low Energy State Fate of chlorophyll?
Visualizing Photosynthesis
Visualizing Human Photosynthesis
Jeff Elhai Center for the Study of Biological Complexity Virginia Commonwealth University Elhai. J@VCU. Edu http: //www. people. vcu. edu/~elhaij 804 -828 -0794
- Slides: 66