Broadcom has managed to cram 802.11n, Bluetooth 2.1+EDR, and FM reception/transmission all into a single "combo wireless chip." Designed to be a better wireless implementation for portable devices, the chip seeks to lower chip counts and integration costs. "Broadcom is the second firm — following Atheros in a single-function chip — to announce a single-stream 802.11n product, in which one of 802.11n's advantages is shaved off in favor of a faster baseline performance and lower battery consumption. This move is meant to replace 802.11g in portable devices without draining a battery faster and providing other advantages that make up for what's become a slight cost difference."

An anonymous reader writes "HP researchers have built the first functioning hybrid memristor-transistor chip. Lead researcher Stanley Williams and his team built the very first memristor — the '4th fundamental element' of integrated circuits after resistors, capacitors and inductors — back in April. Memristors can remember their resistance, leading to novel electronic capabilities. The new FPGA circuit uses memristors to perform tasks normally carried out by (many more) transistors and is therefore smaller, more power efficient and cheaper to make, HP says. Memristors could also turn out to be a more compact, faster alternative to flash memory."

An anonymous reader writes "Robots have been roaming Iraq, since shortly after the war began. Now, for the first time — the first time in any war zone — the 'bots are carrying guns. The SWORDS robots, armed with M249 machine guns, "haven't fired their weapons yet," an Army official says. "But that'll be happening soon." The machines have actually been ready for a while, but safety concerns kept them off the battlefield. Now, the robots have kill switches, so "now we can kill the unit if it goes crazy," according to the Army. I feel safer already."

Loconut1389 writes "I've been an avid mouse user for years, but lately all of the wrist movements have added up and combined with a desire for some added precision when not using my tablet in photoshop, I decided to purchase a large trackball. Logitech makes a few with a small, thumb controlled ball, but it looked like you'd get a tired thumb and have no added precision. After searching around, it seems that the only large one really available is a Kensington for about $90. Only CompUSA seemed to even carry the kensington in-store (and had none in stock). After ordering one online and using it for a few days now, I don't know how I ever lived with a mouse. The trackball has better precision, less wrist movement, and even gaming is pretty cool/easy with it (can spin it to whip around real quick, etc). All that said, it seems like trackballs have all but vanished except in medical fields (sonograms, etc) and perhaps graphic arts. I'm left insanely curious why trackballs haven't resurfaced now that optical technologies have fixed the main problems of old trackballs (and mice). Do you use a trackball? If so, are you in graphic design?"

mdsolar writes "Renewable Energy Access is reporting that a consortium led by researchers at the University of Delaware has achieved 42.8% efficiency with a silicon solar cell. The method uses lower concentration (factor of 20 magnification) than the previous record holder (40.7% efficiency) so that it may have a broader range of applications, since tolerances for pointing the device will be larger. They are now partnering with DuPont to build engineering and manufacturing prototypes. They expect to be in production in 2010. On a roof, such cells would require less than half the surface area to produce the same amount of power as today's standard solar panels, which have an efficiency of about 17%."