Splashpower Boasts Wireless Power 246
Sullivan writes "Maccentral is running a story on a startup called Splashpower that hopes to be able to wirelessly recharge all of our handheld devices. They have a working prototype that already recharges an iPod Mini and a cell phone. Now we can look forward to yet another way to get brain cancer."
afroman's already done it (Score:3, Informative)
still, i'd like it if this became mainstream.
philo
Its about time (Score:5, Informative)
My electric shaver recharges this way, and i've been wondering why we don't just have a pad that we can toss our electric gadgets onto for recharging.
My wish has been granted!
As for efficiency, I'll refer you to DansData, because he knows the answer to everything.
Your Answer Here [dansdata.com]
Re:I love my new ... (Score:5, Informative)
Also the cell phone brain cancer [betanews.com] thing is becoming less and less likely.
Re:Wireless Mouse Pad (Score:2, Informative)
Re:Isn't this just inductive power? (Score:1, Informative)
Sounds Familiar? Try Another! (Score:2, Informative)
OTOH, this [cityu.edu.hk] maybe a bit more refreshing.
Re:I love my new ... (Score:3, Informative)
Re:Two hits in the efficiency chain? (Score:5, Informative)
Re:I love my new ... (Score:4, Informative)
Just having 1,000,000 volts above your head means nothing if there's little amperage and it's a DC power source. Alternating currents cause electromagnetic fields to propogate, and large amounts of current causes them to be more powerful. This is why you can get a flourescent tube to light up when you stand underneath high power transmission lines - The electromagnetic field from them is inducted into the tube and there is still enough power to excite the mercury atoms. Last I checked the Earth's magnetic field couldn't do something like that...
I can see why the brain cancer/cell phone controversy exists - Basically you have a very, very powerful source of EM in a concentrated spot next to your ear. The problem is that nobody can seem to prove conclusively that it causes cell mutations.
Re:I love my new ... (Score:3, Informative)
The earth also has an electric field of about 100 volts per meter, so the potential at your feet (if you're an average-sized adult) is different from that at your head by about 200 volts. Doesn't cause cancer.