Positive Displacement flow meters are the only flow measuring instrument that can directly measure the volume of liquid passing though the flow meter. These meters achieve this by trapping small ...

Until now the smallest mass for which humans have measured a gravitational field is about 100g, which is surprisingly larger than the mass scale of a common pencil (~10g). Because the gravitational ...

For decades, engineers have used small-displacement engines to prove that raw capacity is not the only path to victory. By ...