He would like legislation compelling sellers to ensure that any device which can be connected to the internet is secure.
But neither company could give pricing or a release date for the Plus device, which can be worn on as a bracelet or clipped to your belt.
"What is needed," Mr. Blood wrote, "is a single device which can be used as a computer mouse and telephony handset".
One device, which can be buried near a road, can even discern from seismic readings whether people, trucks or tanks are passing by or approaching.
The device, which can be used manually if a firefighter is lost or trapped, emits a loud buzzing sound if no movement is made for 30 seconds.
The author then strikes it rich by coming up with a device which can be attatched to the dashboard of a car and turns red lights to green.
Researcher Samy Kamkar demonstrated the "roll-jam", a small device which can be made for just $30 and breaks the security on wireless locks, of the sort used in cars and garage door openers.
Current laser technology can easily produce hundreds or even 1,000 times the safe limit in a battery-powered hand-held device, which can be dangerous even at a large distance.
Peterborough City Hospital has ditched pagers – which were introduced into hospitals in the 1950s – and has been using a two-way, hands-free device which can be slung around the neck or worn as a badge.
The basic components of a modern vapour-compression refrigeration system are a compressor; a condenser; an expansion device, which can be a valve, a capillary tube, an engine, or a turbine; and an evaporator.
The underlying platform is a targeted radiation delivery device, which can be adapted to multiple cancers.
