The SLS AMG E-CELL incorporates a liquid-cooled high-voltage lithium-ion battery featuring a modular design with an energy content of 48 kWh.

ENGADGET: Visualized: Mercedes-Benz SLS AMG E-Cell bares all

The A3 e-tron sports two Sanyo liquid-and-air-cooled battery packs, one under the trunk area and the other in a T-shape under the passenger compartment.

FORBES: The Audi A3 Electric Goes Old School To Take On BMW, Tesla

E-cigarettes work by vaporizing a liquid solution into an aerosol mist.

FORBES: Will E-cigarettes Become A Taxing Experience ?

E-cigarettes work by vaporising nicotine-laced liquid that can be inhaled, replicating the effect of smoking without all of the carcinogens.

CNN: Sales of e-cigarettes continue to soar

"Patients can speak to their pharmacist about the option of having the pharmacy compound Tamiflu capsules into a liquid, " DeAngelis said in an e-mail.

CNN: Children's flu drug in short supply