-day portable power provided by a fuel cell the size of a marble. It could boost cell-phone talk time... blood vessels right into the organ as it is being "printed".2. All-day portable power ……

Power Pen可以写字的移动电源This is Power Pen. It is a pen. You can use it to write. But it is not only a pen. It’s also a portable charger (移动电源). You can use it to charge (给……充电) your phone. ……

WASHINGTON — Cheap, plastic solar cells that can be painted onto just about any surface could provide power for portable and wearable electronic devices, scientists said last Thursday.Reseachers ……

and cell phones. After just 3 hours of sunlight, the battery has enough charge to power a portable light... their ancestors did — without electricity. That's because it's too expensive to string power lines ……

and cell phones. After just 3 hours of sunlight, the battery has enough charge to power a portable light... their ancestors did — without electricity. That's because it's too expensive to string power lines ……

and cell phones. After just 3 hours of sunlight, the battery has enough charge to power a portable light... their ancestors did — without electricity. That's because it's too expensive to string power lines ……

a replacement for the nickel cadmium batteries and lithium ion batteries that power most portable electronic... is to use direct methanol fuel cell technology for portable computers that can provide about five ……

— without electricity. That’s because it’s too expensive to put up power lines in the mountain areas... of scientists is using a new type of textiles (纺织品) called, “Portable (会移动的) Lights" to help the Huichol ……

— without electricity. That’s because it’s too expensive to put up power lines in the mountain areas... of scientists is using a new type of textiles (纺织品) called, “Portable (会移动的) Lights" to help the Huichol ……

photo or a light that rotates in the air. If the power's cut, the object automatically sticks to something, rather than dropping to the floor. The package with power supply pack sells for 49.99 pounds ……

should consider adding to your collection. Take a look.For the music lover The Minx Go is a portable.... The setup takes seconds; just press the power button once to turn it on and a second time to activate ……

had about 2,400 companies showing thousands of the latest devices, including cellphones, portable... flat-screen televisions looking like works of art and a portable version of the PlayStation ……

the liner of the tank.During World War II, there was an increase in use of portable rockets such as the Bazooka. Their Heat warheads gave foot soldiers the power to take on tanks.Tank designers ……

, last week at its California head office.The iPod, a portable stainless-steel device, is the same..., so there is no need for you to carry a separate power pack. You can recharge and download files ……

for a person's watch, PDA, and portable radio, if they were all connected to that speaker through the skin. It says that different devices could be powered from a single power source attached to the skin ……