Redesign ice-cream cones to have a channel leading to a reservoir at the base which would collect any drips.

I think somone should create clothing that can detect the surrounding temperature and adjust a heating system or cooling system appropriately... wouldn't that be a dream!

We all know how embarassing an open fly can be. Why not create some type of sensor that senses if your zipper is open and it can sound some sort of an alarm so you can quickly close it before somone else has to be the one to tell you

Introduce new packaging for sweets, crisps, and other snacks offered in cinemas, that is silent when handled. Discreet sweets would be wrapped in a softer plastic, while crisp bags would employ an air valve release to avoid lap top explosions.

Design a cell phone with an in-built breathaliser which will bar the user from making potentially embarassing or abusive calls to unfortunate friends and family when under the influence of alchohol. The phone could be programmed to allow calls to, say, three numbers; taxi, police and pizza.

Create a business which, for a small fee, will file a legally binding statement in which you waive your right to sue anybody for anything. You'll get a card saying something like: "I am my own person. I am responsible for my own actions. I will never blame another for my mistakes or for my misfortunes. I will not expect others to protect me from harm or from any kind of loss. I am my own person. I am <first name> "Danger" <last name>." The idea is that businesses could save themselves a...

Introduce designer washing powders or liquids scented with perfumes such as Obsession or Chanel No.5.

Design a computer with two mice, one for each hand. The non-dominant hand would help with processing tasks rather than typically laying idle.

Introduce a system of 'survival' tokens in varying denominations which the public can purchase from high street stores, then give instead of cash to the homeless. The tokens would be exchangable for food, clothing and non-alcoholic drinks.

Open an eat-as-much-as-you-like buffet restaurant that weighs you when you enter and again when you leave. The restaurant will charge diners according to the amount of weight they have put on, in a similar fashion to pick-your-own fruit farms. It would be called Heavy.