Monthly Archives: April 2017

How to clean paper hat?

I have a very delicate white paper hat that has turned yellow on several areas. How can I whiten it? Can I bleach it? Send it to the dry clean? …Paint it? I have considered using soapy water but I’m afraid it wouldn’t be ge…

Origin of dictionary form (-다)

What is the origin of the basic -다 “dictionary” form for verbs and adjectives? Does it have any meaning on its own? Is it ever used in actual conversations or writing? There are forms that are similar in actual usage such as …

Cost of tape backup in 1980

How much did it cost in 1980 to buy a tape drive capable of backing up 5 megabytes of data? Both for the drive itself and per tape?

(If that exact data is unavailable, I’d be interested in something close, e.g. prices from a…

Do trap door spiders have 10 legs?

I was reading this National Geographic article, 50 New Spiders Discovered In Australia when I became confused by the two trapdoor spider species photographed. I looked up trapdoor spiders and looking at pictures, they all see…