Ever wonder what the hardest wood in the world is? A professional woodworker explains the Janka scale and how wood hardness is measured.

To be considered a hardwood, these species must test at a 1,250 or higher numerical rating on the Janka Hardness Scale. This ...

The most common solid wood flooring species for home flooring installation are white oak and red oak, maple, walnut, ash, hickory, beech, yellow birch ... species, Janka hardness rating, correct ...

There are subtle clues that the Baltic Birch I’ve purchased is Russian. Baltic birch differs from other plywoods in a few ways. Regular plywood is usually made locally from the cheapest possible ...

Also be aware of the Janka rating, a standard used by the American Society for Testing and Materials (ASTM) to measure the hardness of wood. Simply put: the higher the number, the harder the wood.

Put a known volume of water into a boiling tube. Add soap solution, one drop at a time, and shake the mixture for 10 seconds. Record the number of drops of soap needed to make a lather. The ...

Jonathan Birch is a Professor in LSE's Department of Philosophy, Logic and Scientific Method, specializing in the philosophy of the biological sciences. He is working on evolution of social behaviour, ...

Sodium carbonate, Na 2 CO 3, is also known as washing soda. It can soften water that has temporary hardness and it can soften water that has permanent hardness. It is an inexpensive method of ...

I believe therapy is a powerful tool to help you cultivate the life you want. My intention is to create a safe space where you can access inner resources and increase awareness of your authentic ...