Hybrid Cars -- Pros and Cons

If you listen to the makers, hybrid cars are the best invention since sliced bread. While there are many reasons to buy a hybrid car, including a new tax incentive for US owners, it helps to have a good understanding of how ...

Taiwan engineers defeat limits of flash memory

(Phys.org)—Taiwan-based Macronix has found a solution for a weakness in flash memory fadeout. A limitation of flash memory is simply that eventually it cannot be used; the more cells in the memory chips are erased, the ...

IBM scientists achieve storage memory breakthrough

For the first time, scientists at IBM Research have demonstrated reliably storing 3 bits of data per cell using a relatively new memory technology known as phase-change memory (PCM).

Electronic tattoo display runs on blood

Jim Mielke's wireless blood-fueled display is a true merging of technology and body art. At the recent Greener Gadgets Design Competition, the engineer demonstrated a subcutaneously implanted touch-screen that operates as ...

Germany gives green light to bicycle highways

It's every cyclist's dream: no red lights, no trucks, just a clear, smooth lane to zoom down with the wind in your face. Welcome to Germany's first bicycle Autobahn.

Head-up display wins top navigation prize in Munich

(PhysOrg.com) -- A navigation system making use of something called "True3D" technology has won the top prize in this year's European Satellite Navigation Competition in Munich, Germany. The ESNC is an international innovation ...

Why a hydrogen economy doesn't make sense

In a recent study, fuel cell expert Ulf Bossel explains that a hydrogen economy is a wasteful economy. The large amount of energy required to isolate hydrogen from natural compounds (water, natural gas, biomass), package ...

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