Super Macro Your Cellphone Camera With A DVD Lens

Right-Brain Math

Right Brain Math: Times Table Overview & Fun Factor Sets - These bloopers are hilarious

AeroGel

Custom-built R2 units

Lock that detects your knock

Holly Batchelor counts cosmic rays

Simple magnet motor

Perpetual Energy? - Watch a funny movie here

Handmade wooden pipe organ

Dry ice bubble

Elias Howe invents the sewing machine

How a 'Differential' Works

Kitchen Wifi Booster

How To Boost Your Wifi Reception
Uploaded by danieldavice. -

How credit cards are forged

Transforming paper sculpture

Unbelievable! Paper Toy Transformer ... - More amazing video clips are a click away

Paper skillet

Turn a cigarette into a knife

The Charlton Comic Book Guide for the Artist-Writer-Letterer

Laser-cut SPIROGRAPH business cards

Play a record without electricity

How to Win at the Carnival

How To Outwit Carnies
Uploaded by Howcast. - Parties, dorm life, and other college videos.

Make a Fire Piston

Fire Piston! DIY Diesel Lighter - Click here for more home videos

Obliterate ants safely

Kill Ant Beds 4 Good! - video powered by Metacafe

Close-up lens for digital camera

DIY Binocular Hack for Digital Camera - The best free videos are right here

Ames room (optical illusion)

Ames Room Optical Illusion - video powered by Metacafe
Downloadable instructions HERE.

Business Card Magic Trick

How to Make a Real-Life Portal Gun

A former Graphic and Furniture Design student at Savannah College of Art and Design started a new career by simply creating an ASHPD or Aperture Science Handheld Portal Device (aka Portal Gun) replica for his girlfriend. Here's how he did it.

Project: Harvest Rainwater with Sand Filters

Here’s a great tip from Stephen and Rebekah Hren from their book The Carbon-Free Home: 36 Remodeling Projects to Help Kick the Fossil-Fuel Habit. Harvested rainwater needs filtration before it is potable. Pollution, particles from the air, debris from the collection system (your gutters) are not things you want to find in your tall glass of ice water. Instead of investing in a garage-sized Brita pitcher, Stephen and Rebekah have another idea: sand.

More HERE.

Build a 'Tiny Pallet House'

The main advantage of building with pallets is that they are very common and often free. In an emergency situation a few dozen pallets and sheets of plywood could be easily thrown together into an adequate shelter.

Full plans HERE.

Instant UFO

HUGE Solar Balloon! EASY! - For more amazing video clips, click here

Magnets

Maker to Maker – Magnets from make magazine on Vimeo.

Laser Communicator

Cool (but risky) tire trick