Frae Wikipedia, the free beuk o knawledge
Shaidaes on a pavement
Whan a
leam
o
licht
glents ontae something, that thing will cast a daurk
eemage
o itsel ontae the
grund
or anither surface. This image is for ordinar cried
shaidae
. A place whaur the
sun
daesna rax whan it is glentin can be crieed
shade
an aw.
Tae mak a shaidae, thare maun be a licht soorce, an an object tae sheen the licht at. As licht traivels in straucht lines, it cannae reak the shaidae area athoot bendin aroond the object. This maks the shaidae. A shaidae isna completely black tho, as some licht reflects aff ither objects tae reak the shaidae area.
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