› added 9 years ago

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TIL of a one handed drum roll technique known as a “Gravity Roll” or a “Gravity Blast”. The drummer strikes the drum, rests the stick on the rim of the drum, bringing the back of the stick down in a seesaw motion, then quickly brings the stick back up, striking the drum again.

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KOVk9 TIL that female wasps consume wood fibers and mix it with their saliva to build and waterproof their nests
vwJj TIL that in 1802 there was a proposal to build a tunnel under the English Channel that would use horse drawn carriages and be lit by oil lamps.
XEj0R TIL feedback loops in Systems Theory. An example of feeback loops are birth rates( a reinforcing loop) and death rate( a balancing loop) all of which act on a giving population. Reinforcing loops enhance what is already existent( like a good investment) and balancing loops level things out.
GAY0G TIL that since the first exoplanets were discovered in the early 90s, the known number has doubled about every 27 months, to over 4,000 now confirmed.
4kgeR TIL after fathers drown at sea, people in the fishing village Skinningrove, England, have a ritual to take the sons out to ensure they don’t get fearful of it.