'Identical molecules' diaporamas de présentation

Atoms and Elements

Atoms and Elements. Kim Shih Ph.D. How many times we can cut this cake?. Scanning Tunneling Microscope. Gerd Bennig and Heinrich Rohrer found that as you pass a sharp metal tip over a flat metal surface, the amount of current that flows varies with distance between the tip and the surface.

1.03k views • 88 slides

Entropy, probability and disorder

Entropy, probability and disorder. Thermal equilibrium. Experience tells us: two objects in thermal contact will attain the same temperature and keep that temperature Why? More than just energy conservation! Involves concept of entropy. Entropy and disorder.

1.01k views • 67 slides

DNA TECHNOLOGY

DNA TECHNOLOGY. Genetic engineering and all that stuff. Glowing mice. Goals of Recombinant DNA Technology. Eliminate undesirable phenotypic traits in humans, animals, plants, and microbes Combine beneficial traits of two or more organisms to create valuable new organisms

721 views • 45 slides

Topic 1 Chemistry and Measurements

Topic 1 Chemistry and Measurements. What Is Chemistry?. Chemistry is the study of the composition, structure, and properties of matter and energy and changes that matter undergoes. Matter is anything that occupies space and has mass.

555 views • 42 slides

Liquids and Solids

427 views • 29 slides

Changes in matter

556 views • 28 slides

Introduction to Optical Electronics

Semiconductor Photon Detectors (Ch 18). Semiconductor Photon Sources (Ch 17). Lasers (Ch 15). Photons in Semiconductors (Ch 16). Laser Amplifiers (Ch 14). Photons & Atoms (Ch 13). Quantum (Photon) Optics (Ch 12). Resonators (Ch 10). Electromagnetic Optics (Ch 5). Wave Optics (Ch 2 & 3).

467 views • 21 slides

What is DNA composed of?

294 views • 16 slides