Grant Watson

• Air Command Water Rockets Home
  A water rocket uses pressurised air to push water out the back of the rocket to produce thrust.
  (tags: cool diy science projects rockets)
• Awesome DIY water rockets with drop-away boosters
  Single-stage soda bottle rockets over 600 feet using three drop-away booster engines that separate, NASA-style, when their thrust is spent. The boosters have upward-pointing pins that slip into rings on the main rocket, so they simply slip back out upon burnout.
  (tags: make cool science rockets)

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• A Primer on Information Theory and Privacy | Electronic Frontier Foundation
  If we ask whether a fact about a person identifies that person… it turns out that …, I could probably deduce their identity! Each of the facts is partially identifying.
  (tags: privacy information theory)

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• Balloon Aerial Photography in GrassrootsMapping
  With a helium filled balloon you can take your own aerial pictures, stitch them together, and view them with a web map like Cartagen or Google Maps.
  (tags: photography mapping howto)

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• Homeopathy: There's nothing in it | The 10:23 Campaign | #ten23
  We will tell you how it can be proven not to work, why homeopaths' claims are impossible, why you should care.
  (tags: health)
• Checklists – ‘Airline pilot’ protocols in finance
  Checklists seem able to protect their users against failure where they might have made mistakes – even the experts.
  (tags: checklists productivity effectiveness to-read investing vc management lifehacks)

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• How Google Ranks Tweets
  The key is to identify "reputed followers,"… If lots of people follow you, and then you follow someone–then even though this [new person] does not have lots of followers," his tweet is deemed valuable because his followers are themselves followed widely.
  (tags: twitter realtime google search seo)

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• The Reversible Cleats Leather Boots – Hammacher Schlemmer
  These leather boots have built-in, reversible cleats that provide traction on snow, ice, and slush.
  (tags: ice snow)

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• View Source Is Good? Discuss.
  View-source provides a powerful catalyst to creating a culture of shared learning and learning-by-doing, which in turn helps formulate a mental model of the relationship between input and output faster.
  (tags: programming web development education html source article)

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• Web 2.0 Suicide Machine – Meet your Real Neighbours again! – Sign out forever!
  This machine lets you delete all your energy sucking social-networking profiles, kill your fake virtual friends, and completely do away with your Web2.0 alterego.
  (tags: socialmedia social networking web2.0 facebook tools twitter)

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If the Nexus One phone is not available in your country…

… you could always get one on eBay for around $700 (about €490).

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• 100 Incredible Lectures from the World’s Top Scientists
  Let the world’s top scientists explain exactly how they do their job when you listen to these lectures.
  (tags: science video list education learning research)

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