samscully
Joined 14 years ago
Karma
665
Submissions
81
Member since
Sep 17
Recent submissions
Comment · 1 year ago
The point is that you actually cannot explore a spectrum of ideas without committing immediately because you are forced to live and living forces you to commit and make moral decisions every day.
Comment · 2 years ago
For anyone looking for an introduction to the Riemann Hypothesis that goes deeper than most videos but is still accessible to someone with a STEM degree I really enjoyed this video series [1] by zetamath.
I understood everything in Profesor Tao's OP up to the part about "controlling a key matrix of phases" so the videos must have taught me something!
[1] https://www.youtube.com/watch?v=oVaSA_b938U&list=PLbaA3qJlbE...
Comment · 2 years ago
This video [1] shows laser cutting, 3D modelling, and hand grinding of diamonds in a diamond factory. They discuss when and why they use laser cutting machines a bit.
Comment · 3 years ago
The book Mining of Massive Datasets [1] has useful information on building an efficient similarity index using Jaccard/minhash. I would also recommend Otmar Ertl's papers on extensions of minhash that approximate Jaccard better in certain situations, e.g. superminhash [2].
[1] http://www.mmds.org/ Chapter 3 [2] https://arxiv.org/abs/1706.05698
Comment · 4 years ago
It does appear to be true for humans. Though interestingly there isn't a correlation between species size and cancer risk [1].
Comment · 4 years ago
There are infinite shapes that cannot fall down the matching hole, but the circle is the easiest to manufacture. A circular cover is easier to manufacture than e.g. a Reuleaux triangle shaped one.
Comment · 6 years ago
My halls at Imperial College had double and triple shared rooms [1]. Looks like they don't use those buildings as halls any more though.
[1] https://www.imperial.ac.uk/centenary/memories/JoaoCabral.sht...
Comment · 6 years ago
Here are some notes I made when I worked for a company that did very well in SEO. This was a few years ago now, so this might be horribly out of date now.
Hygiene factors
- Never expose an error page to Google. - Never expose an empty page. - Make sure all content is visible on first page load (e.g. not behind pop ups). - Show the same content to Google as to users. - Make sure all relevant content is in the HTML (not loaded dynamically). - Make sure page load times are good.
Keywords
- Research keywords you need to match. - Build database of search terms you wish to match, grow and improve this database over time. - Carefully curate pages, their URLs and metatags to match these keywords. - Use this database to choose which pages to expose to Google and make sure that all links and pages have the correct follow/nofollow attribute. - Steadily grow the content you expose to Google over time, keeping the quantity and quality of content on pages exposed to Google high.
Site structure and internal links
- Organise your site in a shallow tree structure. Top level pages should have many links to lower level pages. - All levels of the tree should have keyword rich content which is useful to users. - Not every level of the tree needs to be visible in the Google search results, it is mostly to make things easy for the crawler.
External links
- Use PR and social media to generate good backlinks for your site. - Use social media like reddit, pinterest and others as well as facebook and twitter. - Do not generate fake backlinks, if Google thinks you are doing this they will give you a severe penalty.
Submit your sitemap
- Submit your sitemap in Google webmaster tools and make sure it is kept up to date at least weekly.
Bounce rate
- Carefully monitor your bounce rate and time on site for users coming from Google as these are key factors in Google rankings.
Click through rate
- Use descriptive and relevant titles and metatags to improve the click through rate from the Google search results to your site. - PR, social media, advertising and other channels can improve brand awareness that in turn improves click through rate. - Regularly check a selection of searches that you rank on to assess the quality of your Google search listings.