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0917 Question

1. Why SF so Cold

Unique geography and coastal current

  1. California Current is a cold oceanic current
  2. Cold current meat the warm land, leading to fog
  3. Golden gate allow cold air and fog to penetrate inland
  4. Microclimates

2. Sugar Intake Daily

Define: the sugar are added sugar

General 10%, healthier 5%

2000 calories: 50 gram, 25 gram

Natural sugar

  • also provide essential nutrients
  • fiber in whole fruit, slow the absorption, slower rise
  • lower risk

3. NPU Design Difference

  • Purpose: tailored for neural network
  • Architecture: more specialized, like matrix multiplication and accumulations
  • Memory: Optimized for storing and retrieving weights. Bandwidth and low-latency access are emphasized
  • Instruction Set: emphasize low precision operation, boost throughput

4. Salt Lake Creature

Creature:

  • Brine shrimp
  • Halophilic bacteria:嗜盐菌
  • Algae:藻类

Difference between sea

  • Salinity: salt lake vary significantly
    • ocean: 3.5% (weight)
    • salt lake: Dead Sea: 30%

5. Dog/Cat Age

Pet dog

  • Small breed: 10-155
  • Medium: 10-14
  • Large: 8-12
  • Giant: 6-10

Pet cat: longer lifespan

  • Indoor: 12-18
  • Outdoor: 5-10

6. Yellow Watermelon

Absence of certain plant pigments

  • Red come from lycopene (番茄红素)

Yellow watermelons

  • Sweeter, honey-like flavor
  • Different nutrient profiles