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DanielleFong's profile
𝓓𝑎𝑛𝑖𝑒𝑙𝑙𝑒 𝓕𝑜𝑛𝑔, 𝕖𝕩-𝕡𝕣𝕠𝕕𝕚𝕘𝕪
𝓓𝑎𝑛𝑖𝑒𝑙𝑙𝑒 𝓕𝑜𝑛𝑔, 𝕖𝕩-𝕡𝕣𝕠𝕕𝕚𝕘𝕪
𝓓𝑎𝑛𝑖𝑒𝑙𝑙𝑒 𝓕𝑜𝑛𝑔, 𝕖𝕩-𝕡𝕣𝕠𝕕𝕚𝕘𝕪
@DanielleFong

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𝓓𝑎𝑛𝑖𝑒𝑙𝑙𝑒 𝓕𝑜𝑛𝑔, 𝕖𝕩-𝕡𝕣𝕠𝕕𝕚𝕘𝕪

@DanielleFong

𝔞 𝔟𝔩𝔞𝕤𝔱 𝔣𝔯𝔬𝔪 𝔱𝕙𝖊 𝔭𝔞𝔰𝔱 𝕝𝕖𝕧𝕖𝕝 𝟛𝟚 𝕤𝕠𝕣𝕔𝕖𝕣𝕖𝕤𝕤, 𝕙𝕒𝕣𝕕𝕔𝕠𝕣𝕖 𝕞𝕠𝕕𝕖

.earth  🌎
daniellefong.com
Joined February 2008

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    1. Lee Hower‏ @leehower Feb 4
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      This is pretty cool as a test bed of what's possible for oceanic transport… solar + wind + hydrogen fuel cell to power a boat.https://jalopnik.com/hydrogen-is-a-bad-car-fuel-but-its-the-perfect-boat-fu-1841435502 …

      1 reply 0 retweets 6 likes
    2. ikirigin‏ @ikirigin Feb 4
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      Replying to @leehower

      I was curious about a solar powered container ship, so I did some math. Biggest ship: 62m x 400m = 15K 400W panels = 6MW They use bunker fuel, ~114K L per day, or 4.7K L/h A diesel generator can generate 1MW at 250 L/h, so this volume is 19MW 3X off

      3 replies 0 retweets 0 likes
    3. 𝓓𝑎𝑛𝑖𝑒𝑙𝑙𝑒 𝓕𝑜𝑛𝑔, 𝕖𝕩-𝕡𝕣𝕠𝕕𝕚𝕘𝕪‏ @DanielleFong Feb 4
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      Replying to @ikirigin @leehower

      It's a boat, you don't need energy density. Hydrogen is a good enough fuel for trans-continental air transport, actually, just there are a lot of handling challenges and practical concerns. Another neat one is NH3 -- ammonia. Cleaner, in some respects... not, in a leak.

      2 replies 0 retweets 2 likes
    4. ikirigin‏ @ikirigin Feb 4
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      Replying to @DanielleFong @leehower

      so for boats this would mean a flatter design? - more solar / wind surface area - maybe slower speeds?

      2 replies 0 retweets 1 like
      𝓓𝑎𝑛𝑖𝑒𝑙𝑙𝑒 𝓕𝑜𝑛𝑔, 𝕖𝕩-𝕡𝕣𝕠𝕕𝕚𝕘𝕪‏ @DanielleFong Feb 4
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      Replying to @ikirigin @leehower

      iPhones currently don't make current economic sense to be on boats because the capital density that's held in inventory as it crosses the ocean is immense. So for high value products renewable naval cargo transport can have a market & you can pressure brands to do it

      1:54 PM - 4 Feb 2020
      • 1 Like
      • ikirigin
      2 replies 0 retweets 1 like
        1. New conversation
        2. 𝓓𝑎𝑛𝑖𝑒𝑙𝑙𝑒 𝓕𝑜𝑛𝑔, 𝕖𝕩-𝕡𝕣𝕠𝕕𝕚𝕘𝕪‏ @DanielleFong Feb 4
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          Replying to @DanielleFong @ikirigin @leehower

          My god we could call it a “LightSail”

          1 reply 0 retweets 2 likes
        3. ikirigin‏ @ikirigin Feb 4
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          Replying to @DanielleFong @leehower

          do it!

          1 reply 0 retweets 1 like
        4. 1 more reply
        1. ikirigin‏ @ikirigin Feb 4
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          Replying to @DanielleFong @leehower

          More fun math: Climate footprint of your iPhone just from shipping? 150K phones in a plane burning 150K L of fuel 2.5Kg CO2 / L of fuel ... Your phone represents 13X it's weight in CO2 just from shipping. Battery is probably worse

          0 replies 1 retweet 2 likes
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