Optics Articles

• Men's Health
  Prostate Cancer
  Prostate Health
  Hormone Disorders
  Wounds and Healing
  Menopause
   
  

  Testosterone

  Testosterone is a steroid hormone from the androgen group. Testosterone is secreted in the testes of men and the ovaries of women. It is the principal male sex hormone and the "original" anabolic ... > more
• Energy and the Environment
  Alternative Fuels
  Renewable Energy
  Fuel Cells
  Energy and Resources
  Batteries
   
  

  Fuel cell

  A fuel cell is an electrochemical device similar to a battery, but differing from the latter in that it is designed for continuous replenishment of the reactants consumed; i.e. it produces ... > more
• Organic Chemistry
  Biochemistry
  Chemistry
  Sports Science
  Inorganic Chemistry
  Nature of Water
   
  

  Hydrochloric acid

  The chemical substance hydrochloric acid is the aqueous (water-based) solution of hydrogen chloride (HCl) gas. It is a strong acid, the major component of gastric acid and of wide industrial use. As ... > more
• Botany
  Sports Science
  Sea Life
  Ecology Research
  Invasive Species
  Marine Biology
   
  

  Algae

  Algae (singular alga) encompass several different groups of living organisms that capture light energy through photosynthesis, converting inorganic substances into simple sugars using the captured ... > more

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