Cooling from Saltwater
Standing on the beach and feeling the cooling breezes from the ocean is a great way cool off in the summer, but scientists in Saudi Arabia have come up with a new way of providing cooling using the power of saltwater. When certain salts are dissolved into water, they absorb energy and the solution becomes […]
Air Down Below
Some very good friends have a sailboat, and when I talked to them last weekend, they were working on the “brightwork.” Not knowing what “brightwork” actually was, I had to ask about it. They explained that it includes any exposed metal or varnished wood on a boat, anything that needs to be bright and shiny, […]
Attention HVAC Engineers!
WATCH OUR NEW VIDEO! Dr. Tom’s Classroom now offers an HVAC & Refrigeration PE Exam Review, specifically developed for the CBT format exam. It had long been a goal at DTC to add an HVAC course to our line up. After completing our new Machine Design & Materials and Thermal & Fluid Systems Reviews for […]
DTC Now Has Reviews for All 3 Mechanical PE Exams
Best PE Prep Course With the addition of our new HVAC & Refrigeration PE Exam Review, Dr. Tom’s Classroom now offers a reviews for all three Mechanical PE Exams, each specifically developed for the CBT format exam. It has long been a goal at DTC to add an HVAC course to our line up. After […]
Around the World via Solar, Wind and Hydrogen
There are three technologies that are changing the designs of modern ships: solar, wind, and hydrogen. A fascinating CNET video describes a research vessel that is using all three technologies to achieve a fully self-sustaining travel. It is called the “Energy Observer.” Solar panels collect energy from the sun during the day and then it is […]
New DTC HVAC & Refrigeration Course Is Here!
We are very proud to announce that Dr. Tom’s Classroom now offers a brand new HVAC & Refrigeration PE Exam Review, specifically developed for the CBT format exam. It has long been a goal at DTC to add an HVAC course to our line up. After completing our new Machine Design & Materials and Thermal […]
The Big “After Graduation” Question – Is the Answer Still “Plastics?”
In the 1967 movie “The Graduate,” the character played by Dustin Hoffman has just graduated from college and his parents are throwing a big celebration party. The question he is asked many times by his parent’s friends is “What do you plan to do now that you have graduated?” One of his parents’ friends comes up to […]
New DTC HVAC & Refrigeration Course Coming Soon!
We are very proud to announce that Dr. Tom’s Classroom will soon be offering a new HVAC & Refrigeration PE Exam Review. It has long been a goal at DTC to add an HVAC course to our line up. After completing our new Machine Design & Materials and Thermal & Fluid Systems Reviews for the […]
