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Supersonic Baseballs

I'm not sure what you were planning to do with the next 24 minutes (16 if you watch at 1.5 speed like I do with most talking-heavy videos) of your life, but I have a good suggestion: Smarter Every Day's video about building a supersonic baseball cannon. This episode is actually fairly light on explaining the underlying science that is often a part of his other videos. There's more of than in the one-hour making of video. This video just mentions a few things in passing like Schlieren imaging an … (Continued)

Seth Godin on Placebos

This is an interesting short piece from Seth about placebos: Ignoring the placebo effect won’t make it go away. Embracing it will help you do much better work, work that quite possibly is based on those skills and practices you’ve worked so hard to be good at. If it’s worth doing your work, it’s worth doing it in a way where placebos will help you do it better. Reading this, I realized that I tend look at the placebo effect at work the way a scientist might look at it in an experiment: trying … (Continued)

Troy Hunt on Scratching Your Own Itch

Troy Hunt is the creator of about Have I Been Pwned, his website that can tell you when your email or password is included in a data breach when a company gets hacked. It has become the biggest player in the market. Now, it's grown so large that he's having trouble managing as a one-man project and he's started looking for a company or non-profit to help take over managing it. On his weekly update podcast this week, he took a little time to recap the history of the project, starting at about 3: … (Continued)

Inkdrop on Customer Service

Inkdrop is a service that's a bit like Evernote for programmers. All the notes are in markdown instead of a WYSIWYG editor and it magically syncs them all to their cloud. But what really caught my eye was this section on the pricing page: Particularly this part: If lowered the pricing[sic], you would get more customers. We would like to provide good, quick and warm user support. If we got a lot of users we won't be able to support them all. Turns out the app is the full-time job of o … (Continued)