OMEGA's new DOB21 is a compact benchtop dissolved
oxygen meter and an amperometric dissolved oxygen probe with automatic
temperature compensation for field or laboratory applications. It features a
RS232 output, auto calibration for all parameters, salinity and barometric
pressure compensation, and data logging up to 99 points. Programming is done
via a three-button keypad and stored in the non-volatile memory. This product
is ideal for testing biological samples, water and waste water, as well as
aquariums. Price starts at $1008.
The amount of plastic clogging the ocean continues to grow. Some startling, not-so-good news has come out recently about the roles plastic is playing in the ocean, as well as more heartening news about efforts to collect and reuse it.
Some of our culture's most enduring robots appeared in the 80s. The Aliens series produced another evil android, and we saw light robot fare in the form of Short Circuit. Two of the great robots of all time also showed up: The Terminator and RoboCop.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.