Humorous Infographic

Dorodango start out as sloppy mud balls but through careful shaping and polishing with dirt and sand, they end up perfectly round and shiny.

A water rocket uses pressurised air to push water out the back of the rocket to produce thrust.

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.

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.

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.

We will tell you how it can be proven not to work, why homeopaths' claims are impossible, why you should care.

Checklists seem able to protect their users against failure where they might have made mistakes – even the experts.

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.

These leather boots have built-in, reversible cleats that provide traction on snow, ice, and slush.

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.

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.