2025-09-18

daily note

Thursday, September 18, 2025

📝 Ephemeral Notes

  • #til2025 Cod
    • Large, edible sea fish, particularly of those from the genus Gadus
    • The word origin is unclear but it doesn’t mean “caught” in the “cod end” of the net
  • #til2025 Witching hour
    • Is a time at night when supernatural events occur according to folklore
    • Definitions vary, but typically the hour after midnight or 3am to 4am
    • Now it colloquially refers to the last hours of stock trading in the US between 3pm and 4pm when there is an above average volatility
    • Triple witching hour refers to the last hour on the third Friday of March, June, September, and December when stock index futures, stock index options, and stock options all expire resulting in significant volatility
    • NFL witching hour is the end of the Sunday morning or afternoon games when close games are determined
  • #til2025 Auction types
    • English auctions: prices keep rising until the a single highest bidder wins
    • Dutch auctions: prices start high and keeps lowering until a bid is accepted
    • First price blind auctions: bidders all submit bids secretly and highest bidder wins and pays that price
    • Second price blind auctions: blind auction as well but the highest bidder pays the second highest price
      • Encourages the “real” price to be bid
  • #til2025 Fondo
    • Also known as “gran fondo”, is a long distance cycling event for all levels. Typically 75 to 150 miles long.
    • Italian for “big ride”
  • #til2025 Stoops
    • Stair entries to houses, common in New York, Boston, Philly, built to avoid horse manure
    • The roots is from Dutch architecture, known as “stoep” which means step or sidewalk which was built in Netherlands to avoid floods
    • Dutch settlers bought this influence to Northeaster US when they colonized it
  • #til2025 Reading/Playing video games leading to near-sightedness
    • Always been told that reading or playing video games can lead to near-sightedness or myopia
    • Recent studies have shown correlation between lack of outdoor play and natural light exposure with increased risk of myopia as an adult - https://pmc.ncbi.nlm.nih.gov/articles/PMC7973740/
    • Which might have been the underlying reason for reading being linked to near-sightedness

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created: 2023-01-16 11:50