If you use a vacuum-insulated thermos to help keep your coffee hot, you may know it's a good insulator because heat energy has a hard time moving through empty space. Vibrations of atoms or molecules, ...
Tardigrades (Water Bears) are top survivors, enduring space vacuum and radiation via cryptobiosis. Other animals like cockroaches (radiation-resistant) and brine shrimp (dormant cysts) also survive.
The German Aerospace Center (DLR) in Göttingen is researching fluid mechanics phenomena, which are essential for adequately predicting the performance of supersonic aircraft. Source: DLR. At the ...