Films of two semiconducting polymers, derivatives of poly(p-phenylenevinylene), produce white light capable of transmitting data at high speeds. BBEHP-PPV (left) shines green when it absorbs blue wavelengths and stimulates MEH-PPV (right) to shine orange-red, combining to create a warm white light.
Credit: ACS Photonics
Today nearly all computers, tablets, and cell phones have Wi-Fi capabilities, receiving and transmitting data over a range of radio frequencies.
From Chemical & Engineering News
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