Here’s a quick round-up of Red Ferret posts from the past week for those who missed them. Enjoy.

• Bladefish – dive like a secret agent – Bladefish is a rechargeable…
• e-Trainer – keep your bike busy – e-Trainer is an easy-build bike…
• Grindstone – freeware tracks your time and makes you more efficient – Grindstone is a freeware…
• Math Alarm Clock for Android – wake up now (or finish the arithmetic to snooze) – This Math Alarm Clock for Android…
• The Frog Can Crusher – A cute and handy way to recycle – Now recycling can be fun too! The…