Did you know

Did you know,

that each silkworm eats about 25,000 times its initial weight within only 4 weeks after its birth?
that the silkworm gains 12,000 times its weight within 4 weeks after its birth?
that the silkworm can spin 15 meters per minute?
that the silkworm eats 40,000 times its weight of mulberry leaves from its birth until it changes into a chrysalis?
that half kilogram of silkworms eat up to 12,000 kg mulberry leaves during their life?
that more than 25 mulberry trees are needed to gain about 3 kg of silk?
that the length of a cocoon thread can reach over 4000 metre?
that to make 1 kg raw silk 5-10 kg cocoons are required?
that the fibres are very fine, about 1/2500th of an inch in diameter?
that a rope made of silk can hold more weight than a rope made out of metal?
that for a silk dress 70 kg of mulberry leaves are required?