Canisters are commonly filled with silica gel and other molecular sieves used as desiccant in drug containers to keep contents dry. Silica gel in a sachet or porous packet. A desiccant is a hygroscopic substance that induces or sustains a state of dryness (desiccation) in its vicinity; It is the opposite of a humectant. Commonly encountered pre-packaged desiccants are solids that absorb water.
Armstrong in November 2011 at the U.S. Capitol, when he and the other astronauts from the Apollo 11 mission were awarded Congressional Gold Medals. Former astronaut Neil Armstrong, known for his words, That's one small step for man, one giant leap for mankind, has died. The first man ever to walk on the moon was 82.
The Surprising Reason Neil Armstrong â And Not Buzz Aldrin â Was The First Person On The Moon. Sunday, July 20, marks the 45th anniversary of the Apollo 11 moon landing, when American astronaut Neil Armstrong became the first person ever to plant boots on the dusty lunar surface. Buzz Aldrin followed about 20 minutes later.