
Attention Mechanical Engineers! Now Is the Time to Get Your PE!
You have achieved a lot in your career, but you know you are capable of more. Getting your PE license opens up a whole new

Reinventing Glass with Beer, Food Scraps, and Paper
Windows have been part of our buildings for hundreds of years. Glass allows in sunlight and keeps most of the weather out. But windows have

“Forever Grateful to Dr. Tom’s Classroom”
“It has long been a personal goal (as well as a professional goal) to get the satisfaction of fulfilling the requirements to be recognized as

When in Rome
There is a saying, “When in Rome, do as the Romans do.” Well, in a recent ASME article. author Mark Crawford talks about five major

Top Ten Reasons DTC Is the BEST PE Exam Prep
For over a decade, it has been our passion here at Dr. Tom’s Classroom to help Mechanical engineers pass the PE Exam and become Professional

Not All Batteries Store Electricity
Researchers at Lehigh University in Pennsylvania have developed a modular thermal battery – a device that can store thermal energy (heat) efficiently. The battery tested

PE EXAM TIP – Make the Reference Handbook Your Own
Mechanical Engineers, for better or worse, the NCEES Reference Handbook will be your only reference during the PE Exam, so becoming as familiar as possible

Using the Earth as a Thermal Battery
Scientists at Lawrence Berkeley National Lab are studying using aquifers as a thermal battery to store excess heat in the summer and as a source

With DTC, Perseverance Can Pay Off!
While there are plenty of people who pass the PE Exam on the first try, there are are quite a few who don’t. We have

FEATURED TESTIMONIAL – “On a scale of 1-10, I rate the course a 15! DTC is the only choice.”
“When I decided to move forward with getting my PE license, I had been out of college for 22 years. In fact, it had been 22

AHR Expo 2023 – DTC Was There!
Watch our video! This was the first AHR Expo for the DTC Team and we had blast! This short video gives you a glimpse of

Stunning Early Ingenuity – Chand Baori
Chand Baori is a stunning example of a stepwell in Rajasthan, India containing 3,500 steps in its 13 stories. It’s one of the oldest stepwells