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<blockquote style="position: relative; padding-left: 55px;"><section><a href="https://mastodon.social/users/persagen/statuses/113957537604757927">Victoria Stuart 🇨🇦 🏳️‍⚧️ (persagen@mastodon.social)'s status on Friday, 07-Feb-2025 06:06:16 JST</a><a href="https://mastodon.social/@persagen" title="persagen@mastodon.social"><img src="https://gnusocial.jp/avatar/156189-48-20240908055012.webp" width="48" height="48" alt="Victoria Stuart 🇨🇦 🏳️‍⚧️" style="position: absolute; left: 0; top: 0;">Victoria Stuart 🇨🇦 🏳️‍⚧️</a></section><article><p>Physics Rediscovered: My trebuchet is bigger than yours<br><a href="https://michaeldominik.substack.com/p/physics-rediscovered-interlude-my" rel="nofollow">https://michaeldominik.substack.com/p/physics-rediscovered-interlude-my</a><br><a href="https://news.ycombinator.com/item?id=42912084" rel="nofollow">https://news.ycombinator.com/item?id=42912084</a></p><p>Posting more so b/c of this:</p><p>Supersonic Projectile Exceeds Engineers Dreams: Supersonic Trebuchet<br><a href="https://hackaday.com/2021/12/01/supersonic-projectile-exceeds-engineers-dreams-the-supersonic-trebuchet/" rel="nofollow">https://hackaday.com/2021/12/01/supersonic-projectile-exceeds-engineers-dreams-the-supersonic-trebuchet/</a><br><a href="https://news.ycombinator.com/item?id=29408127" rel="nofollow">https://news.ycombinator.com/item?id=29408127</a></p><p>In the YT video the young engineer optimizes the aim.<br>Modern neural networks are based on similar mathematical optimization principles (cost/loss functions)...</p><p><a href="https://mastodon.social/tags/engineering" rel="tag">#engineering</a> <a href="https://mastodon.social/tags/optimization" rel="tag">#optimization</a> <a href="https://mastodon.social/tags/trebuchet" rel="tag">#trebuchet</a> <a href="https://mastodon.social/tags/NeuralNetworks" rel="tag">#NeuralNetworks</a> <a href="https://mastodon.social/tags/physics" rel="tag">#physics</a><br><a href="https://en.wikipedia.org/wiki/Trebuchet" rel="nofollow">https://en.wikipedia.org/wiki/Trebuchet</a></p></article><footer><a rel="bookmark" href="https://gnusocial.jp/conversation/4521225#notice-8852307">In conversation</a><time datetime="2025-02-07T06:06:16+09:00" title="Friday, 07-Feb-2025 06:06:16 JST">about 3 months ago</time> <span>from <span><a href="https://mastodon.social/@persagen/113957537604757927" rel="external" title="Sent from mastodon.social via ActivityPub">mastodon.social</a></span></span><a href="https://mastodon.social/@persagen/113957537604757927">permalink</a><h4>Attachments</h4><ol><li><label><a rel="external" href="https://gnusocial.jp/attachment/4093079">Physics Rediscovered: My trebuchet is bigger than yours
https://michaeldominik.substack.com/p/physics-rediscovered-interlude-my
https://news.ycombinator.com/item?id=42912084Comment: posting 'cause trebuchets are cool ...more so of this:Supersonic Projectile Exceeds Engineers Dreams: Supersonic Trebuchet
https://hackaday.com/2021/12/01/supersonic-projectile-exceeds-engineers-dreams-the-supersonic-trebuchet/
https://news.ycombinator.com/item?id=29408127In the YT video the young engineer optimizes the aim.
Modern neural networks are based on similar mathematical principles (cost/loss functions) ...#engineering #optimization #trebuchet #NeuralNetworks #physicsImage: https://en.wikipedia.org/wiki/Trebuchet</a></label><br><a href="https://files.mastodon.social/media_attachments/files/113/957/545/998/894/745/original/4ac729e7366c83f8.jpg" rel="external">https://files.mastodon.social/media_attachments/files/113/957/545/998/894/745/original/4ac729e7366c83f8.jpg</a></li><li><article><header><div>Domain not in remote thumbnail source whitelist: substackcdn.com</div><h5><a href="https://michaeldominik.substack.com/p/physics-rediscovered-interlude-my">Physics Rediscovered #6: My trebuchet is bigger than yours</a></h5><div> from <span>Michael Dominik</span></div></header><div>We just explored how medieval engineers managed to hurl stones the size of body-positivity activists at people, causing them some mild inconvenience.</div><footer></footer></article></li><li><article><header><div>No result found on File_thumbnail lookup.</div><h5><a href="https://news.ycombinator.com/item?id=42912084Posting">https://news.ycombinator.com/item?id=42912084Posting</a></h5><div></div></header><div></div><footer></footer></article></li><li><article><header><div>Domain not in remote thumbnail source whitelist: hackaday.com</div><h5><a href="https://hackaday.com/2021/12/01/supersonic-projectile-exceeds-engineers-dreams-the-supersonic-trebuchet/">Supersonic Projectile Exceeds Engineers Dreams: The Supersonic Trebuchet</a></h5><div> from <span>Ryan Flowers</span></div></header><div>Have you ever sat down and thought “I wonder if a trebuchet could launch a projectile at supersonic speeds?” Neither have we. That’s what separates [David Eade] from the rest of u…</div><footer></footer></article></li><li><article><header><div>No result found on File_thumbnail lookup.</div><h5><a href="https://news.ycombinator.com/item?id=29408127In">https://news.ycombinator.com/item?id=29408127In</a></h5><div></div></header><div></div><footer></footer></article></li><li><article><header><div>Domain not in remote thumbnail source whitelist: upload.wikimedia.org</div><h5><a href="https://en.wikipedia.org/wiki/Trebuchet">Trebuchet</a></h5><div></div></header><div>A trebuchet (French: trébuchet) is a type of catapult that uses a rotating arm with a sling attached to the tip to launch a projectile. It was a common powerful siege engine until the advent of gunpowder. The design of a trebuchet allows it to launch projectiles of greater weights and further distances than that of a traditional catapult.
There are two main types of trebuchet. The first is the traction trebuchet, or mangonel, which uses manpower to swing the arm. It first appeared in China by the 4th century BC. It spread westward, possibly by the Avars, and was adopted by the Byzantines, Persians, Arabs, and other neighboring peoples by the sixth to seventh centuries AD.
The later, and often larger and more powerful, counterweight trebuchet, also known as the counterpoise trebuchet, uses a counterweight to swing the arm. It appeared in both Christian and Muslim lands around the Mediterranean in the 12th century, and was carried back to China by the Mongols in the 13th century.Etymology and terminologyThe numerous forms of the...</div><footer></footer></article></li></ol></footer></blockquote>

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Victoria Stuart 🇨🇦 🏳️‍⚧️ (persagen@mastodon.social)'s status on Friday, 07-Feb-2025 06:06:16 JST Victoria Stuart 🇨🇦 🏳️‍⚧️
Physics Rediscovered: My trebuchet is bigger than yours
https://michaeldominik.substack.com/p/physics-rediscovered-interlude-my
https://news.ycombinator.com/item?id=42912084
Posting more so b/c of this:
Supersonic Projectile Exceeds Engineers Dreams: Supersonic Trebuchet
https://hackaday.com/2021/12/01/supersonic-projectile-exceeds-engineers-dreams-the-supersonic-trebuchet/
https://news.ycombinator.com/item?id=29408127
In the YT video the young engineer optimizes the aim.
Modern neural networks are based on similar mathematical optimization principles (cost/loss functions)...
#engineering #optimization #trebuchet #NeuralNetworks #physics
https://en.wikipedia.org/wiki/Trebuchet
In conversation3 months ago from mastodon.socialpermalink
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1. Physics Rediscovered: My trebuchet is bigger than yours https://michaeldominik.substack.com/p/physics-rediscovered-interlude-my https://news.ycombinator.com/item?id=42912084 Comment: posting 'cause trebuchets are cool ...more so of this: Supersonic Projectile Exceeds Engineers Dreams: Supersonic Trebuchet https://hackaday.com/2021/12/01/supersonic-projectile-exceeds-engineers-dreams-the-supersonic-trebuchet/ https://news.ycombinator.com/item?id=29408127 In the YT video the young engineer optimizes the aim. Modern neural networks are based on similar mathematical principles (cost/loss functions) ... #engineering #optimization #trebuchet #NeuralNetworks #physics Image: https://en.wikipedia.org/wiki/Trebuchet
  https://files.mastodon.social/media_attachments/files/113/957/545/998/894/745/original/4ac729e7366c83f8.jpg
2. Domain not in remote thumbnail source whitelist: substackcdn.com
  Physics Rediscovered #6: My trebuchet is bigger than yours
  from Michael Dominik
  We just explored how medieval engineers managed to hurl stones the size of body-positivity activists at people, causing them some mild inconvenience.
3. No result found on File_thumbnail lookup.
  https://news.ycombinator.com/item?id=42912084Posting
4. Domain not in remote thumbnail source whitelist: hackaday.com
  Supersonic Projectile Exceeds Engineers Dreams: The Supersonic Trebuchet
  from Ryan Flowers
  Have you ever sat down and thought “I wonder if a trebuchet could launch a projectile at supersonic speeds?” Neither have we. That’s what separates [David Eade] from the rest of u…
5. No result found on File_thumbnail lookup.
  https://news.ycombinator.com/item?id=29408127In
6. Domain not in remote thumbnail source whitelist: upload.wikimedia.org
  Trebuchet
  A trebuchet (French: trébuchet) is a type of catapult that uses a rotating arm with a sling attached to the tip to launch a projectile. It was a common powerful siege engine until the advent of gunpowder. The design of a trebuchet allows it to launch projectiles of greater weights and further distances than that of a traditional catapult. There are two main types of trebuchet. The first is the traction trebuchet, or mangonel, which uses manpower to swing the arm. It first appeared in China by the 4th century BC. It spread westward, possibly by the Avars, and was adopted by the Byzantines, Persians, Arabs, and other neighboring peoples by the sixth to seventh centuries AD. The later, and often larger and more powerful, counterweight trebuchet, also known as the counterpoise trebuchet, uses a counterweight to swing the arm. It appeared in both Christian and Muslim lands around the Mediterranean in the 12th century, and was carried back to China by the Mongols in the 13th century. Etymology and terminology The numerous forms of the...

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