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  <title>I Wonder Why?</title>
  <subtitle>Questions about the world, answered in about ten minutes with real footage.</subtitle>
  <link href="https://dubsmith.io/blog/"/>
  <link rel="self" href="https://dubsmith.io/feed.xml"/>
  <id>https://dubsmith.io/blog/</id>
  <updated>2026-11-06T00:00:00Z</updated>
  <author><name>Dubsmith</name></author>
  <entry>
    <title>Can a Rocket Launch Throw Off Your Phone's GPS?</title>
    <link href="https://dubsmith.io/blog/rocket-launch-gps-ionosphere-hole/"/>
    <id>https://dubsmith.io/blog/rocket-launch-gps-ionosphere-hole/</id>
    <published>2026-11-06T00:00:00Z</published>
    <updated>2026-11-06T00:00:00Z</updated>
    <summary>Artemis II tore a hole over 4,000 km long in the ionosphere, the charged layer GPS signals cross. Here is how that can put your phone's blue dot metres off.</summary>
  </entry>
  <entry>
    <title>Why Does the Eco Wash Programme Take 3 Hours?</title>
    <link href="https://dubsmith.io/blog/why-eco-wash-takes-so-long/"/>
    <id>https://dubsmith.io/blog/why-eco-wash-takes-so-long/</id>
    <published>2026-11-05T00:00:00Z</published>
    <updated>2026-11-05T00:00:00Z</updated>
    <summary>Eco washes run for hours because heating water uses most of the electricity and time doesn't. The energy label rewards it, up to 4 hours in the EU.</summary>
  </entry>
  <entry>
    <title>Why Do Petrol Prices Change So Many Times a Day?</title>
    <link href="https://dubsmith.io/blog/why-petrol-prices-change-during-the-day/"/>
    <id>https://dubsmith.io/blog/why-petrol-prices-change-during-the-day/</id>
    <published>2026-11-05T00:00:00Z</published>
    <updated>2026-11-05T00:00:00Z</updated>
    <summary>German petrol stations changed prices 22 times a day. A noon rule cut that to 6 or 7, and margins rose. Here is why stations keep watching each other.</summary>
  </entry>
  <entry>
    <title>How Did Hackers Heat Up Supermarket Freezers?</title>
    <link href="https://dubsmith.io/blog/hackers-heat-supermarket-freezers/"/>
    <id>https://dubsmith.io/blog/hackers-heat-supermarket-freezers/</id>
    <published>2026-11-04T00:00:00Z</published>
    <updated>2026-11-04T00:00:00Z</updated>
    <summary>Hackers heated French supermarket freezers to 50 °C without touching them. The trick: a defrost heater every freezer has, and controllers left online.</summary>
  </entry>
  <entry>
    <title>Why Does Europe Still Change Its Clocks?</title>
    <link href="https://dubsmith.io/blog/why-europe-still-changes-clocks/"/>
    <id>https://dubsmith.io/blog/why-europe-still-changes-clocks/</id>
    <published>2026-11-04T00:00:00Z</published>
    <updated>2026-11-04T00:00:00Z</updated>
    <summary>The European Parliament voted in 2019 to stop changing the clocks, but EU governments never agreed which hour each country keeps, so a 2001 law still rules.</summary>
  </entry>
  <entry>
    <title>Why Does Norway's Hydropower Count as Coal on Paper?</title>
    <link href="https://dubsmith.io/blog/norway-hydropower-coal-on-paper/"/>
    <id>https://dubsmith.io/blog/norway-hydropower-coal-on-paper/</id>
    <published>2026-11-02T00:00:00Z</published>
    <updated>2026-11-02T00:00:00Z</updated>
    <summary>Norway sells the certificates that prove its hydropower is green, so on paper the power Norwegians buy gets Europe's leftovers: 29% coal, 26% gas, 19% nuclear.</summary>
  </entry>
  <entry>
    <title>Why Do Ski Resorts Store Snow Under Sawdust?</title>
    <link href="https://dubsmith.io/blog/why-ski-resorts-store-snow-under-sawdust/"/>
    <id>https://dubsmith.io/blog/why-ski-resorts-store-snow-under-sawdust/</id>
    <published>2026-11-01T00:00:00Z</published>
    <updated>2026-11-01T00:00:00Z</updated>
    <summary>Resorts make snow in deep winter, when it's cheap, and bury it under 30 to 40 cm of wet sawdust. About three-quarters of it survives the summer. Here's why.</summary>
  </entry>
  <entry>
    <title>Chrysanthemum Meaning: Graves in France, Emperor in Japan</title>
    <link href="https://dubsmith.io/blog/chrysanthemum-meaning-france-japan/"/>
    <id>https://dubsmith.io/blog/chrysanthemum-meaning-france-japan/</id>
    <published>2026-10-31T00:00:00Z</published>
    <updated>2026-10-31T00:00:00Z</updated>
    <summary>In Japan the chrysanthemum is the emperor's crest; in France it's the flower of the dead. One emperor's choice and the length of the night explain the split.</summary>
  </entry>
  <entry>
    <title>How Did One Snake Wipe Out Guam's Forest Birds?</title>
    <link href="https://dubsmith.io/blog/guam-brown-tree-snake-birds/"/>
    <id>https://dubsmith.io/blog/guam-brown-tree-snake-birds/</id>
    <published>2026-10-30T00:00:00Z</published>
    <updated>2026-10-30T00:00:00Z</updated>
    <summary>The brown tree snake reached Guam around 1950, hid in plain sight and ate 10 of its 12 forest bird species. Here's how, and why the fix came by parachute.</summary>
  </entry>
  <entry>
    <title>Why Does Turkey Publish a List of Fake Food Brands?</title>
    <link href="https://dubsmith.io/blog/turkey-fake-food-list-brands/"/>
    <id>https://dubsmith.io/blog/turkey-fake-food-list-brands/</id>
    <published>2026-10-28T00:00:00Z</published>
    <updated>2026-10-28T00:00:00Z</updated>
    <summary>Turkey names the company, brand and batch of every food a lab proves fake. The lists began in 2012; since October 2024 they sit on a live list anyone can check.</summary>
  </entry>
  <entry>
    <title>How Do the Swiss Know When a Glacier Will Fall?</title>
    <link href="https://dubsmith.io/blog/how-swiss-know-when-glacier-will-fall/"/>
    <id>https://dubsmith.io/blog/how-swiss-know-when-glacier-will-fall/</id>
    <published>2026-10-27T00:00:00Z</published>
    <updated>2026-10-27T00:00:00Z</updated>
    <summary>250,000 tonnes of ice hangs above Randa, sliding up to 20 cm daily. Nobody can name the day it falls, but the Swiss watch it speed up and a radar shuts the road.</summary>
  </entry>
  <entry>
    <title>Why Did a Japanese Town Pay ¥100 for Each Beetle?</title>
    <link href="https://dubsmith.io/blog/why-japanese-town-paid-100-yen-per-beetle/"/>
    <id>https://dubsmith.io/blog/why-japanese-town-paid-100-yen-per-beetle/</id>
    <published>2026-10-26T00:00:00Z</published>
    <updated>2026-10-26T00:00:00Z</updated>
    <summary>Kawajima paid ¥100 per dead beetle and ran out of money in 45 days. The invasive beetle kills cherry trees from inside, and summer is the only time to catch it.</summary>
  </entry>
  <entry>
    <title>Why Has Slovakia Spent 54 Years Building One Motorway?</title>
    <link href="https://dubsmith.io/blog/why-slovakia-d1-motorway-takes-so-long/"/>
    <id>https://dubsmith.io/blog/why-slovakia-d1-motorway-takes-so-long/</id>
    <published>2026-10-23T00:00:00Z</published>
    <updated>2026-10-23T00:00:00Z</updated>
    <summary>Slovakia began the D1 in 1972 and it still doesn't join Bratislava and Košice. The route runs through mountains, and the last 13.5 km cost €141 million per km.</summary>
  </entry>
</feed>
