Europe's fundamental physics space mission, Lisa Pathfinder, has arrived in French Guiana to prepare for its December Launch. The probe, whose construction has been led from the UK, will test the ...
LISA Pathfinder will use two 2 kg test masses made of gold and platinum that will float freely inside the craft and be separated by 38 cm. It will have a 20 × 20 cm optical bench – containing 22 ...