Science and Medicine
- Hairy cell leukemia, an uncommon and slowly progressing B cell leukemia
- Harvard Cyclotron Laboratory, from 1961 to 2002, a proton accelerator used for research and development
- Hollow-cathode lamp, a spectral line source used in physics and chemistry
- Hydrochloric acid, a solution of hydrogen chloride in water
- Hydrochloride, the salt of a hydrochloric acid and an organic base
- Hydrogen chloride, chemical formula HCl
Read more about this topic: HCL
Famous quotes containing the words science and/or medicine:
“Our science has become terrible, our research dangerous, our findings deadly. We physicists have to make peace with reality. Reality is not as strong as we are. We will ruin reality.”
—Friedrich Dürrenmatt (1921–1990)
“I hold it that a little rebellion, now and then, is a good thing, and as necessary in the political world as storms in the physical.... It is a medicine necessary for the sound health of government.”
—Thomas Jefferson (1743–1826)