The Mothership – Science Non-Fiction
I think the first time I heard the term “mothership” was in the sci-fi movie “Independence Day.” The term is now commonly used to reference a space ship that can deploy and recover smaller versions of itself. However, up until now this concept was only science fiction. Well, according to a recent Breaking Defense article, DARPA, […]
A Sincere Thank You to Veterans
On Veterans Day, everyone here at Dr. Tom’s Classroom would like to thank all veterans for their service to our country. We appreciate their dedication and contribution to preserving our freedom. We especially honor the many engineers who have served in the United States military. Their work is an inspiration to us all. U.S. Military […]
The Dr. Tom Method – The Perfect System
At Dr. Tom’s Classroom, we’ve worked hard to create the perfect system to help Mechanical engineers pass the PE Exam and become Professional Engineers. We even developed and launched a whole new Dr. Tom Method specifically targeted to the CBT exam format, and it’s been a huge success. With PE Exam Review courses for all […]
Utilizing Parking Garages to Heat Homes
A company in Switzerland has developed panels that can be installed in underground parking garages that can provide geothermal heat to adjacent homes. Enerdrape has created 1.3 m x 0.7 m (4 ft x 3 ft) thin metal panels that can be installed onto concrete walls in underground parking garages. The panels exchange heat with […]
MECHANICAL PE EXAM TIP – Units, Units Units!!!
If I wasn’t Dr. Tom, I’d be Dr. Units. I cannot tell you how many times units are the reason someone gets the wrong answer to a problem. It might be as simple as inches needed to be converted to feet, or the other way around. Or, it is a combination of units like gallons per minute […]
Rollover Alleys – The Dynamics for Disaster
Vehicle dynamics are an important consideration for highway design and construction. Large trucks are a common design vehicle for highway infrastructure. A variety of factors focused on large truck characteristics include: turning radius at intersections/driveways, lane widths, acceleration on upgrades, control of speed on downgrades, and more. Due to the high center of gravity (which can be exacerbated by […]
Achieve Your Extraordinary. Become a PE.
Getting your Professional Engineer’s license will open up a world of possibilities for you to achieve the extraordinary. And DTC can help you make those possibilities a reality with our comprehensive prep courses for the Mechanical PE Exams and our strategic plan to prepare you to pass the exam. Years of work went into developing […]
Flying into the Future
Having a BS degree in Aerospace Engineering, a recent ASME article titled, “5 Aerospace Technologies and Trends,” caught my eye. Noting the 5 technologies and trends identified in the article, it was clear that this article was important to mechanical engineers as well. In fact, I believe these technologies and trends will affect the entire engineering community. I […]
FEATURED TESTIMONIAL – “I Felt Prepared and Confident”
“After spending the last 12 months completing your course, I am happy to say that I passed the PE exam on my first attempt! I felt prepared and confident going into the exam with the methods that you teach. I have been out of school for 10 years and my wife and I just had […]
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 […]
