Learners examine the internal components of an optical encoder used in automated manufacturing applications. A brief quiz completes the animated activity.

Learners observe how an optical pyrometer is used to take temperature measurements without making physical contact with the object being measured.

Students review the functions of the keys on the Starrett HB400 Optical Comparator controller.

In this animated object, learners examine the two types of optical encoders used in automation applications: incremental and absolute. A brief quiz completes the activity.

Students read how to set up the optical comparator edge detector in this interactive learning object.

You'll explore the fundamentals of optical storage technologies including CDs, DVDs, and BDs.

The learner tests his/her ability to set up the optical comparator edge detector using a virtual simulation of the machine.

In this interactive learning object, learners read how to compensate for a part not mounted perfectly parallel to the machine axis.

Activity 2 - Matter and energy IV

In this learning activity you'll explore the physical construction and operation of single-mode and multi-mode fiber-optic cables used in networking.

Learners study the operation of the retro-reflective optical sensor, along with the guidelines that should be followed regarding the target size, reflector size, alignment, and the reflectivity of the target.

In this animated object, learners examine the switch settings for the on-delay, off-delay, and one-shot timing functions of an optical sensor. A brief quiz completes the activity.

Learners study the operation and characteristics of an incremental optical encoder used in automated manufacturing applications. A brief quiz completes the activity.

In this animated and interactive object, learners follow three steps to calibrate an opposed optical sensor. They consider horizontal alignment, the sensitivity setting, and having an effective beam.

In this animated activity, learners examine how to change the gain of an optical sensor to overcome environmental conditions and distance.

The operation and characteristics of an absolute optical encoder used in automation applications are presented.

In this interactive and animated object, learners read a description of the number, name, and function of the cranial nerves. A matching quiz completes the activity.

Why do the sky and the sea look blue when the sun is shining? Why does the seabed look shallow? How is the shadow of a coconut tree formed? What causes these phenomena to occur?

Fire the correct answer

In this screencast, learners read about the parts of the eye.