preferably one that can run on everything from kerosene to used cooking oil. This is the problem [Shane] is tackling for his entry to the 2016 Hackaday Prize. It’s an Open Source Two-Stroke ...

We’re introduced to the traditional two-stroke diesel engine as thermally efficient but not smooth-running, and then the gas turbine as smooth but much more inefficient. The free piston engine ...

All two-stroke (or 2-cycle) engines require the operator to add a mixture of fuel and oil to the fuel tank to support engine ...

A test based on a novel biomarker ... with samples collected from various types of stroke patients in the first six hours after the event. “We need very early-stage blood samples, and they are not ...

In the international competition, people with physical disabilities put state-of-the-art devices to the test as they race to ...

Blood Pressure High for Years? Beware of Stroke Risk July 23, 2024 — Years of high systolic blood pressure are linked to a greater risk for the two most common types of stroke. The results ...

This web calculator conducts a z-test for the difference between two populations' proportions. The calculator includes an explanation of inputs and outputs. This web calculator conducts a z-test for ...

A t-test is an inferential statistic used in hypothesis testing to determine if there is a statistically significant difference between the means of two sample populations. A t-test is an ...

Disruptions of blood circulation to the brain may result in a stroke. It occurs in two forms, both potentially life-threatening. If you or someone with you exhibits signs of a stroke, do not delay.

This is the product's overall performance score, based on key tests conducted by our industry experts in the CHOICE labs.