The best lightweight wheels will help you to climb more easily, as well as provide faster acceleration and generally make your bike feel more exciting to ride. Traditionally, lightweight wheels have ...

The issue stems from regulations, which limits lithium-ion battery cells to 20Wh (roughly 5,000mAh) to avoid classification ...

Ever wonder how much money there is in the world? The answer is complicated, which you might expect -- but it has nothing to do with tallying up all the numbers. Rather, it’s more about what ...

Where you charge It can be very cheap to charge at home, especially if you have an off-peak tariff that enables you to charge your car when demand for electricity is low (at night, for example). While ...

In this paper, the three most common formats for lithium-ion batteries (pouch, cylindrical and prismatic) are compared in terms of 19 defined technical criteria. Furthermore, the importance of the ...

A small-signal equivalent circuit model and FEM often guide CMUT design. The small-signal model is usually derived using a combination of numerical and FEM analysis. A strictly analytical approach to ...