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Cake day: July 26th, 2023

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  • Evolution isn’t aimed. A T-Rex needs to be good enough to hunt enough food.

    Our ancient ancestors smashed the skulls of animals killed by African predators to eat the brains, smashed bones to eat the marrow.

    Later as our ancestors became bigger and stronger they hunted and needed to communicate with each other to effectively track and take down an animal. Maybe they needed twenty words. Chickens have three words (or cluck patterns)

    At the same time women collected stuff and needed to share how to identify this from that with younger women. They might have needed a hundred words.

    Then those who could talk better were more attractive to the other sex than those who couldn’t (even now being well spoken is attractive) then a few millions of years later we’re making stone knives, hammers, axes; then ten minutes later aeroplanes and machine guns

    In short: we had it hard enough we needed to share information. We later found communication sexy. T-Rex had no such trouble. We seem to be the only animal that solved “scavenging is dangerous” and “hunting is hard” with talking to each other rather than by getting bigger and getting claws or vicious teeth

    I understand we selected for tall by fighting humans




  • The giant breweries everywhere make low flavour beer as their aim is to make a product that won’t offend anyone. That sort of beer is also cheap so it’s more popular than more complex beers for both reasons (inoffensive and cheap)

    I expect Newfoundland also Labrador, serving the beer drinkers in half a million people population, is higher quality than Molson-Coors, but even if they increased production it would be hard to keep the quality or meet the price of their competitor

    Though in Australia we have regional beer and the giant east coast beers haven’t squashed the smaller breweries in South Australia or Tasmania – and South Australia and Tasmania produce better beers than Queensland, New South Wales, and Victoria






  • Australia has been running over the horizon radar for decades, I think Australia’s role in this is providing expertise

    From over-the-horizon radar on Wikipedia

    Another early shortwave OTH system was built in Australia in the early 1960s. This consisted of several antennas positioned four wavelengths apart, allowing the system to use phase-shift beamforming to steer the direction of sensitivity and adjust it to cover Singapore, Calcutta, and the UK. This system consumed 25 miles (40 km) of electrical cable in the antenna array.[7]

    Note that the UK is approximately antipodal to Australia

    Australia’s current OTH radars covers South East Asia, use half the transmit power of US OTH radar, and have longer range




  • 10C* charging isn’t all that exceptional

    But also charging a Tesla on a road trip takes ~15 minutes each couple of hundred kilometres, that’s often not enough time to get a coffee and use a toilet; it’s never long enough to get a meal.

    On a thousand kilometre trip recently for a lunch break my partner would find a place to get lunch and order for themself and me while I waited in the car for it to become charged enough. I would generally get to the lunch place before food was served

    Faster isn’t much use until it’s fast like filling a petrol tank

    *10 times capacity – Charging rate 10 times faster in kilowatts than the battery capacity in kilowatt-hours