fantastic fartifacts and finds: -The mercury in just one thermometer can contaminate an 11-acre lake, and broken thermometers add about 17 tons of mercury to streams in the United States every year
( Read more... )
-More than 50% of the people in the world have never made or received a telephone call.
-The "sixth sick sheik's sixth sheep's sick" is said to be the toughest tongue twister in the English language.
-A duck's quack doesn't echo, and no one knows why.
Note: A duck's "quack" doesn't echo because it's resonant/anti-resonant. It is also only a certain sound that they make that will not echo. The non-echoing sound mentioned is used for inter-species location, while flying or otherwise. It's true that no one knows why they would need this ability but it is thought to be a "fluke" of nature. The study of anti-resonant sound came from the study of mallards. One of the more intriguing aspects of anti-resonance is the possible use in restaurantes and cars. Restaurantes could use anti-resonance in private booths to keep them "private". Cars could use anti-resonance to completely silence the engine.-The Main Library at Indiana University sinks over an inch every year because when it was built, engineers failed to take into account the
( ... )
Comments 3
Reply
have never made or received a telephone call.
-The "sixth sick sheik's sixth sheep's sick"
is said to be the toughest tongue twister
in the English language.
-A duck's quack doesn't echo,
and no one knows why.
Note:
A duck's "quack" doesn't echo because it's resonant/anti-resonant. It is also only a
certain sound that they make that will not echo. The non-echoing sound mentioned is used
for inter-species location, while flying or otherwise. It's true that no one knows why
they would need this ability but it is thought to be a "fluke" of nature. The study of
anti-resonant sound came from the study of mallards. One of the more intriguing aspects of
anti-resonance is the possible use in restaurantes and cars. Restaurantes could use
anti-resonance in private booths to keep them "private". Cars could use anti-resonance to
completely silence the engine.-The Main Library at Indiana University sinks over an inch every year because when it was built, engineers failed to take into account the ( ... )
Reply
Reply
Leave a comment