The back of the F22 Raptor has an unusual characteristic -- rectangular nozzles. It turns out they have a very specific purpose. Here's what we know.

This Fluval 306/307 406/407 Canister Filter Monthly Maintenance Kit Bundle includes FOUR items: Inland Seas Silicone Grease, 1cc; Fluval 306/307/406/407 Filter Replacement Quick-Clear Water ...

Two lawmakers are sponsoring legislation that would change a statute that has made New York the only state that bans hands-free clips on fuel nozzles because of fire concerns.

This configuration significantly boosts proton acceleration near the nozzle exit, outperforming setups lacking the nozzle structure. Credit: Scientific Reports (2025). DOI: 10.1038/s41598-025-03385-x ...

Another way to keep the nozzle clean is when you're done with the project, turn the can upside down and spray until no more paint comes out. This wastes a lot of paint, but it works. You can also ...

Since the paint is now expelled, there is little, if any, paint to dry out in the nozzle. I hope this helps other readers. I love “Hints From Heloise” and look forward to reading it every day ...

Chinese scientists announce successful ground test of hypersonic engine powered by jet fuel simulating Mach 8 flight conditions Reading Time:2 minutes Why you can trust SCMP 30 Stephen Chen in ...

The swivel nozzle on the F-35B Lightning II, the U.S. Marine Corps' version, gives the fighter jet the ability to takeoff and land vertically.

One of the most compelling demonstrations of this graphite's capabilities is its selection for the manufacture of ablative rocket nozzle inserts, crucial components capable of withstanding ...

He wanted larger nozzles than those on sale, so he did the obvious. He took existing 0.4 mm nozzles and drilled them out with carbide PCB drills to make 0.6 mm and 0.8 mm nozzles.

A second-stage rocket nozzle extension would be fixed and is intended to improve performance and reduce costs. Credit: Firefly The Air Force Research Laboratory (AFRL) has awarded Firefly ...