Category : Hobbies & Science : Society & Culture & Entertainment

How to Make 3D DNA Models

Hobbies & Science
When you teach genetics and cellular biology to students, they can become bored if they only hear lectures or read from their books. One way to liven up your classroom is to provide your students with hands-on projects related to your lessons. For example, students can construct a 3D model of a DNA

How to Fill a Bubbler Pipe

Hobbies & Science
Depending on your smoking preferences, a bubbler pipe offers a different experience and smoking sensation. Rather than a traditional pipe, a bubbler has a small chamber for water between the bowl where the tobacco is loaded and the stem where you smoke. This bubbling chamber provides both a filter a

How to Build a Bokken

Hobbies & Science
The bokken, or bokuto as it's more commonly known in Japan, is a wooden weapon intended for use as a training tool. Bokken take a variety of shapes, from the basic katana to the chain-and-sickle kusari-gama. A common feature of many bokken sold today is that they're made of soft, porous wood. This i

Ecosystems With Wolves

Hobbies & Science
Gray wolves, Canis lupus, once roamed western and northern North America from Alaska to northern Mexico. Red wolves, Canis rufus, inhabited the Southeast. Their numbers in the continental U.S. fell dramatically as the country was settled. Both species received federal protection in the 1970s. Their

DIY Ring Stone Setting

Hobbies & Science
Using a stone and a setting, you can fashion your own ring instead of going to a jeweler. With the right tools, common setting metals such as silver, sterling silver, karat gold and pure gold are relatively soft and pliable. Although many pre-made settings are available, talk with the supplier to ma

Algae & Biofuel Plants

Hobbies & Science
The list of plants grown for the production of biofuels is increasing at an impressive rate. While crops such as corn and sugar cane are widely processed in the production of ethanol, other sources, such as algae, offer the potential to provide a higher yield and a greener alternative to the current

What Are Euler Angles?

Hobbies & Science
An object in space can be rotated in a variety of ways. To describe an object's position requires three numbers, one for each dimension of space. Euler angles are one way of describing any rotation by the use of three angles; in everyday speech, these could be called up-down, left-right and forwar