Free Idea # 291 - Invent the shaving foam soap bar

Invent the shaving foam soap bar. After washing their face,
legs, or whatever!, users would simply use the suds still there
to shave, thus what was once two different processes is now
one. The shaving foam soap bar would mean aerosol-free
shaving, so - as well as saving time and money - it would be
good for the environment.

Free Idea # 290 - Invent an eco-friendly car powered by fingernails

Invent an eco-friendly car powered by fingernails instead of
fossil fuels. The vehicle would contain a keratin combustion
engine capable of harnessing the methane and hydrogen
found in hair, nails, claws, horns, feathers, and the dead
outer layers of skin cells.

Free Idea # 289 - Publish vintage maps using art mapping technology

Publish new vintage maps that show how an area looked in the
past yet which do so using state of the art mapping technology.
It would be possible to purchase a series of 'aerial photographs'
of a location as it might have looked one hundred years,
five hundred years, ten thousand years or even 250 million
years ago.

Free Idea # 288 - Rotary washing line with power generation

Manufacture a rotary washing line with an in-built two-fold
micro power generation system:

1) the central pole would extend upwards, providing the
vertical-axis for a 'wind flower' windmill;

2) the multiple splayed arms of the rotary washing line
would support super-efficient photovoltaic solar panels.

Free Idea # 287 - Invent biodegradable cigarette filters

Invent easily biodegradable cigarette filters. This innovation
would help prevent the unsightly accumulation of tossed butts
that litter front yards, streets, and sidewalks outside of bars.

Free Idea # 286 - Introduction CD for rental cars

Produce CDs that sit in the CD player of rental cars so that,
when a new driver gets in, the CD can tell them about the car,
the local area, driving laws, etc. It could also feature
advertising for local businesses.

Free Idea # 285 - Re-usable re-stickable Post-It notes

Invent small whiteboard style re-usable re-stickable Post-It
notes and sell them in packs of six to people who want to
reduce paper waste.

Free Idea # 284 - Car windshields with photochromic glass

Make all car windshields out of photochromic glass that darkens
to a moderate sunglass tint when exposed to sunlight. This
innovation would improve driver comfort and safety, especially
when traveling into the blinding glare of a rising or setting sun.

Free Idea # 283 - Business cards with online database

Print a unique ID on paper business cards that would direct
people to up-to-date information held on an online database.
Instead of printing new cards every time their details changed,
card owners would just need to revise their online entry.

Free Idea # 282 - Shower curtains with a detachable lower section

Manufacture shower curtains with a detachable lower section.
Instead of replacing the whole curtain when the bottom
becomes discolored with rot, mildew, or mold, a horizontal
strip - representing, perhaps, just 10% of the total curtain -
would be removed and replaced. This would reduce waste
and save money.