Michael Moritz shares insights-from Yahoo!, PayPal, and now Google-about how the Web really works.
New physics-based software renders virtual human skin more realistically than previous computer models.
Want to have doctors wrapped around your finger? A ring sensor monitors temperature, heart rate, and other vital signs.
A material based on a modified form of natural silk could replace torn knee ligaments.
A wire that radiates sound could bust blood clots and unblock coronary arteries.
A new bandwidth-conserving technique transmits different parts of a digital image separately, at different resolutions.
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