From: Jeffrey Epstein <[email protected]> Sent: Sunday, September 4, 2011 9:38 AM To: Subject: Re: FW: A Quantum-Thermodynamic Ratchet For Photonic Frequency Up-Pumping? photosynethes seems to work by not needing the particle at all , but the re=cting to its wave nature, . the light should be able to be tuned. an= not one gap but many being activated by the same photon On Sun, Sep 4, 2011 at 2:48 AM, Oh Lord. =on.org> wrote: This is a very hard problem =E2 do you have any interesting inputs to add here? <= class="MsoNormal"> From: Lowell Wood [mailto <mailto > Sent: Saturday, Sept=mber 03, 2011 11:38 PM To: Rod Hyde; Jordin Kare Cc: 'Nathan Myhrvold'; C=uck Whitmer - External; 'Jeff Bowers'; Boris Nikolic (BGC3); Tuckerman; 'Casey Tegreene' Subject: A Quantum-Thermodynamic Ratchet For Photonic Frequency Up-P=mping? =C2 ; David =. I continue to puzzle over Bill =80 s "cheaper-&-cleaner-&-more abundant electricity for =veryone" challenge-to- Inventors — currently 'aided=E2 (entirely legally — physician's orders! J) by the modern version of the traditi=nal opium- eater's favorite ingestible. J [Dr. Nikolic adm=nishes me to comply completely with "the doctor's orders=E2 along these lines — which call for remarkably heavy-&=frequent dosings -- so please do blame him entirely for this missive= :)) +++++=++++ ++++++++ ++++++++++ =A0 In order to generate the maximum volta=e-current product from a given area of (single-composition) semiconductor =lluminated with a given flux, it's clearly desirable to have monoc=romatic radiation that's 'matched' to the bandgap,=n-&-p Fermi levels, etc. of the chosen semiconductor. Howe=er, what God gives us — in generous total quantities, if not pleas=ntly high fluxes :) -- is a —0=5 eV Planckian spectrum with a batch of holes chewed in it, i.e., the sola= spectrum at AM1, for which the maximum-attainable energy conversion effic=ency is widely believed to be ≤0.5. EFTA_R1_01695509 EFTA02543550