A Battery That Never Goes Dead
The most troublesome problem with wind or solar power systems is the weather. For the energy these systems create there needs to be a way to store the excess energy and then be able to deliver that excess energy precisely when it is needed. One innovative way to store this energy is to use what […]
DTC’s Testimonial Page – Hear What Our Students Are Saying
Taking the PE Exam is a daunting endeavor, and choosing a PE Exam prep course is a major decision. That’s why we have worked so hard to make our courses the best Mechanical PE Exam prep courses out there and to keep our prices as low as possible. We’ve had hundreds of students who have […]
A Truly Kafkaesque Statue
Art and mechanics meet in Czech artist David Černý’ kinetic sculpture “The Head of Franz Kafka.” With 42 reflective, mechanized layers that rotate individually, it creates an every changing portrait of Kafka’s tortured psyche. It operates from 8AM to 9PM each hour for 15 minutes in Prague, Czechia. On a recent trip I was able to […]
With DTC – Pay Up Front and Save $100
Everyone loves a bargain, and with our Pay Up Front option, you can save $100. At DTC, we realize that buying a PE Exam prep course is a major commitment in both in time and money, and we work to make sure our courses are the best and the most affordable. “The course was worth […]
3-D Printed Walls Getting a Thermal Makeover
Building construction using 3-D printing is becoming more common. The idea is to create consistent structures that can be quickly “printed” reducing costs and improving structural integrity. Much work has been done to ensure the printed walls are structurally sound, but now researchers are working on thermal efficiency now. A study has been performed on […]
FEATURED TESTIMONIAL – “Dr Tom Course Is Absolutely Outstanding”
“My Dr. Tom review course was ABSOLUTELY OUTSTANDING. I HIGHLY RECOMMEND it to everyone! I learned there was definitely a methodology for taking the PE exam, and Dr. Tom and his team know exactly what it is. A person may know engineering well, but unless properly prepared on what to expect on the exam, how […]
Celebrating Professional Engineers Day – Flash Sale $50 Off!
To celebrate Professional Engineers Day, DTC is having a Flash Sale! Save $50! Hop on your computer Wednesday August 3 or Thursday August 4, use Discount Code #LicensedPEday, and save $50 on all DTC Pay-Up-Front Mechanical PE Exam Review courses. Your cost, only $800! From Dr. Tom – What’s Your Dream? Dreams are our most […]
DTC Is Exactly What You Need to Pass the PE
We know you’re crazy busy juggling work and family AND your PE Exam preparation. That’s why all DTC courses are tailor-made to give you maximum flexibility to fit your review into your already hectic schedule, giving you just what you need to pass. It’s not only the best prep for the Mechanical PE Exams, it’s […]
Depleted Oil Wells Aren’t Just Empty Holes Anymore
With the boom in oil and gas drilling over the last 100 years, there are many oil wells that have been depleted of oil. But these wells are drilled many thousands of feet in the ground, where the temperatures are far higher. So, these seemingly empty holes are not really empty at all, and there […]
DTC’s HVAC PE Exam Prep FEATURED TESTIMONIALS – “Critical in My Passing the Exam”
“I took the HVAC/Refrigeration PE exam for the first time and passed. I feel Dr. Tom’s class was not only very critical in my passing of the exam, but it was exactly what I was looking for in a review course. His class laid out the important subjects and gave me a guide to be […]