Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Khadija Khartit is a strategy, investment, ...

The "Garbage" Verdict: Why a viral mechanic's warning about 1.5L head gaskets is terrifying owners, and the critical driving habit that might save your engine block ...

It seems like a fair assessment to state that the many ‘AI’ features that Microsoft added to Windows 11 are at least somewhat controversial. Unsurprisingly, this has led many to wonder about disabling ...

tutorialdb is a small scale search engine for programming/dev tutorials, it is meant to help anyone who is getting started to learn a new technology. The sole purpose of tutorialdb is to help people ...

Abstract: Based on 3D printing technology, a cylinder head assembly of rotary valve engine was developed and trial- produced in this paper. The structure of the assembly, the lubrication system, ...

A failing head gasket is one of those engine problems that starts small—and gets expensive fast. Coolant loss, unexplained overheating, white exhaust smoke, or rough idling are often the first signs.

Microsoft and IAMAI collaborated to advance high-fidelity autonomy simulations through Project AirSim—the evolution of AirSim— released under the MIT license as part of a DARPA-supported initiative.

Read our 2026 Audi A6 review for information on ratings, pricing, specs, and features, and see how this sedan performed in our testing.

A headache in your forehead is often caused by a migraine or a tension headache. Rarely, it can be caused by a stroke. Tension headaches can be due to dehydration, eye strain, or muscle tension.