Physics on fingers

2022-06-10 16:00:05 Did you know that a burnt match becomes magnetic?

Only those matches will be attracted which contain in their composition the so-called iron minium - Fe₂O₃ (which, by the way, gives the match head its characteristic dark reddish color). Open / Comment

2022-06-10 13:00:05 Neodymium glass is an unusual material that has a different color under different light Open / Comment

2022-06-09 23:00:00 Buildings resist earthquakes

Seismically insulated foundation buildings rest on several elastic rubber cylinders. They act like car shock absorbers, turning sharp shocks into a slight vibration. Open / Comment

2022-06-09 16:00:06 When only 0.5 grams of uranium is split, it releases energy comparable with that which can be obtained by burning 150 liters of oil Open / Comment

2022-06-09 13:00:04 Plasma in the microwave oven Open / Comment

2022-06-08 23:00:00 A non-Newtonian fluid is a fluid in which its viscosity depends on the velocity gradient. Usually such fluids are highly inhomogeneous and consist of large molecules that form complex spatial structures. Open / Comment

2022-06-08 16:00:05 What happens if an ordinary car hits an anti-tank mine Open / Comment

2022-06-08 13:00:05 Surface tension force Open / Comment

2022-06-07 23:00:00 Vortex gun Open / Comment

2022-06-07 16:00:06 Supercooled water

This is water without impurities, cooled below freezing temperature. A center of crystallization must be created for ice to form. Open / Comment