Yearly Archives: 2018

Science can explain the phenomenon of spontaneous human combustion. (Elti Meshau)
Every now and then, there’s a news story about a mysterious death where the victim has burned, seemingly without being set on fire or in proximity to a heat source. In other cases, a fresh corpse began to burn, without external assistance. If forensics rules out obvious causes, like passing […]

Is Spontaneous Human Combustion Possible?

Copper occurs in pure or native form. (Jonathan Zander)
Copper is a reddish transition metal with atomic number 29 and element symbol Cu. The element symbol comes from the Latin name for the element, cuprum. These copper facts include chemical and physical data, general information, and trivia. Basic Copper Facts Name: Copper Atomic Number: 29 Element Symbol: Cu Atomic […]

Copper Facts

These calcium chloride crystals grew spontaneously in a container of DampRid.
Calcium chloride crystals are easy to grow. The clear crystals are thin, six-sided shards that sparkle brightly. Materials All you need is calcium chloride and water: Calcium chloride (CaCl2) Water (H2O) Calcium chloride is commonly used as road salt to remove ice, in moisture control products such as DampRid, and […]

Grow Calcium Chloride Crystals

Sea grapes are single cells of a species of algae. (Robert Ricker, NOAA)
The only way to view most unicellular organisms is with a microscope. The vast majority of cells are very small. However, the largest single-celled organisms are visible to the naked eye and big enough to hold in your hand. The algae Caulerpa is generally recognized as the largest unicellular organism. […]

What Is the Largest Unicellular Organism?

Pure nickel is a silver metal with a slight yellow tinge. (Alchemist-hp)
Nickel is the chemical element with atomic number 28 on the periodic table with element symbol Ni. Its standard atomic weight is 58.6934 and its electron configuration is [Ar] 3d8 4s2 . It is a shiny silver transition metal that develops a slight yellow tinge upon exposure to air. Nickel is known […]

Nickel Facts – Atomic Number 28 or Ni

Molten Glass
Specific heat is the amount of heat per unit mass needed to increase the temperature of a material by one degree Celsius or Kelvin. These three specific heat example problems will show how to find the specific heat of a material or other information involving the specific heat. Specific Heat […]

Specific Heat Example Problem

Pure elemental cobalt. (Alchemist-hp)
Cobalt is atomic number 27 on the periodic table and element symbol Co. This hard, blue-gray transition metal is used in alloys and imparts a blue color to glass. Here are cobalt facts, including its properties, uses, and health effects. Cobalt Facts Discovery: Cobalt compounds have been used since the […]

Cobalt Facts – Atomic Number 27 or Co