Learn about various medical devices invented and used by the ancient Greeks including "a portable waterclock used to measure the pulse of patients" and a "surgical instrument, known as 'the spoon of Diokles.'"

Explains the different measurement units that are used in barometers and provides conversion tables.

Offers instructions in how to use a clinometer, an instrument used by foresters for measuring angles in order to determine the height of a tree. The mathematics behind a clinometer is also explained.

The article explains temperature. Specifically, you will learn about the temperature scale, temperature scale conversions, and the types of instruments used to measure temperature. Included are solved examples and interactive problems...

From the name, you might guess that a psychrometer is an instrument designed to measure your thoughts. Actually, it is an instrument that can help you forecast the weather. Read more to find out how it works.

In this unit, students learn the basics about weather and the atmosphere. They investigate materials engineering as it applies to weather and the choices available to us for clothing to counteract the effects of weather. Students have...

Does your hair go crazy when the weather turns damp? Did you know that strands of hair can relax and lengthen when the humidity increases and then contract again when the humidity decreases? In fact, hair strands can be used as the basis...

On a windy day it is hard to keep your hat on. The power of the wind can even be strong enough to power large wind turbines to make electricity. In this experiment, find out how you can make your own instrument to measure the speed and...

S'COOL is a NASA citizen science project where school children gather ground truth measurements that assist in verifying and improving the accuracy of the CERES (Clouds and the Earth's Radiant Energy System) satellite instrument...

This academic document describes various methods of measuring a principal's leadership behavior. The authors developed a new survey instrument that can be used to analyze the leadership behavior/style of a principal.

Vasarosnamenyi Baro Eotvos Lorand, better known as Roland Eotvos or Lorand Eotvos throughout much of the world, was a Hungarian physicist who is most recognized for his extensive experimental work involving gravity, but who also made...

Students conduct an experiment to determine the relationship between the speed of a wooden toy car at the bottom of an incline and the height at which it is released. They observe how the photogate-based speedometer instrument "clocks"...

By the end of this section, you will be able to define antinode, node, fundamental, overtones, and harmonics; identify instances of sound interference in everyday situations; describe how sound interference occurring inside open and...

Classical Revival structure; built in 1862; housed the W. & L. E. Gurley Company, a maker of precision measuring instruments.

The activities in this comprehensive weather unit are designed for Grade 6 and up. Students will use real time data from around the world to conduct an investigation about weather and climate.

This is a virtual exhibition of inventions from ancient Greece that have been reconstructed by Kostas Kotsanas after over two decades of study and research. Click on 'The Museum' link at the top of the page to read an explanation and to...