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Jan
19
answered Can light be rotated using lenses or prisms?
Jan
9
answered What are our limitations on spinning a baseball sized 5 kg sphere to really fast speeds?
Jan
6
answered Is an x-ray maser possible?
Dec
26
answered How are the SI units “generalised”?
Dec
26
answered Why doesn't wind chill affect thermometers
Nov
26
answered How the speed of light is constant in the universe if it decreases in water and glass and some other objects?
Nov
23
answered Is there any aspect of an explosion resulting from a nuclear weapon test that cannot be simulated using super computers?
Nov
12
answered Why friction between two smooth surfaces is high?
Nov
1
answered If I lick a 9V battery, why doesn't my tongue noticeably get hotter?
Nov
1
answered How did Cook and other astronomers time the 1769 Venus transit?
Oct
16
answered Are we increasing the gravity of Earth with our population?
Sep
19
answered Do photons decay as they travel in free space
Sep
19
answered Can you record sound through vacuum? Like this: (object)(vacuum)(object)
Sep
19
answered Radioisotope beta decay generator
Sep
10
asked Measuring focal length of complex lens
Aug
29
answered Does a switched on power socket consume electricity?
Aug
12
answered Colour changing material/ink
Aug
11
answered Can a GPS system detect the decline in the rotational velocity of the Earth?
Aug
9
answered thin film interference of light
Aug
8
answered Is heat conduction impeded at interfaces between dissimilar materials?