Toa55/Shutterstock Your TV has many ports: HDMI, USB, and maybe even serial or RS-232. Among these connections, you might’ve noticed that certain ones are labeled “Service Only,” “Service Terminal,” or “Diagnosis,” which would naturally make you wonder what these ports do and if there’s any use you can get outContinue Reading
NASA’s X-59 quiet supersonic research aircraft exceeded the speed of sound for the first time on June 5, 2026. (Image credit: NASA/Lori Losey) NASA’s X-59 jet has finally gone supersonic. The X-59, a long-nosed demonstrator designed to help develop the tech required for “quiet” supersonic flight, notched the milestone onContinue Reading
Panadesign/Shutterstock USB ports and cables are fundamental to our daily lives when interacting with most gadgets. However, as we use USB to charge our devices or transfer data from one computer to another, there’s a big chance that something goes off and we need to do some troubleshooting. Among theContinue Reading
These pans pay for themselves if they help you break your takeout habit. Hexclad We may earn revenue from the products available on this page and participate in affiliate programs. Learn more › Sign Up For Goods 🛍️ Product news, reviews, and must-have deals. By signing up, you confirm youContinue Reading
Don’t go searching for a brick ever again. Anker We may earn revenue from the products available on this page and participate in affiliate programs. Learn more › Sign Up For Goods 🛍️ Product news, reviews, and must-have deals. By signing up, you confirm you are 16+, will receive newslettersContinue Reading
Beginning on July 1, Gus will be on display in New York City ahead of the auction. Image: Matthew Sherman Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotionalContinue Reading
There’s a right way and a wrong way to merge. Image: Karolis Kavolelis / Shutterstock Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our TermsContinue Reading
Thomas is roughly 18- to 21-years-old Image: New England Aquarium Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledgeContinue Reading
Storm chaser drives towards massive mesocyclone with lightning in Vivian, South Dakota. Image: Shutterstock Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our TermsContinue Reading
Published May 28, 2026, 7:00 PM EDT Jonathon Jachura is a mechanical engineer with over 12 years of HVAC industry experience who specializes in translating complex home systems into practical advice for everyday homeowners. His background spans technical sales and product management for major manufacturers, combined with hands-on experience as aContinue Reading
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