Lithium ion batteries contain binders (read "glue") to hold things together. Unfortunately, binders are non-conductive (& so tend to reduce battery performance), toxic & expensive.
Cue the research team from the University of Delaware, with their conductive, non-toxic, cheap binder.
Winner!
http://chargedevs.com/newswire/sticky-stuff-could-make-li-ion-batteries-cheaper-and-greener/ / components active materials conductive additives binders team researchers University of Delaware discovered sticky conductive material eliminate binder technology binders impair electrochemical performance battery insulate insulation insulating properties Professor Bingqing Wei organic solvents mix binders conductive materials expense final product toxic to humans LiIon lithium-ion cell battery /
Internet-tech, computer-tech, mobile-tech, energy-tech, eco-tech, green-tech, bio-tech, tech-tech, every day. That pretty much sums it up!
Friday, 28 March 2014
Thursday, 27 March 2014
External battery for MacBook — now there are three
First there was HyperJuice, then came CHUGPLUG, soon, there'll be BatteryBox:
http://the-gadgeteer.com/2014/03/26/bypass-your-macbook-airs-battery-with-the-batterybox-and-charge-your-tablet-and-phone-too/ / CHUGPLUG external battery worry running out power traveling CHUGPLUG design designer designed 45 60 Watt 45W 60W newer MacBooks up to 4 extra hours power 11 inch 13 inch 11″ MacBook Air extra hours 13″ MacBook Air MacBook Pro weigh weighs 1.1 pounds accepts 100 240 100-240VAC 1.2A 50-60Hz AC power outputs 120-250V DC power fit between MacBook’s MagSafe power adapter power cord charge internal lithium-polymer battery 2 hours power laptop Lenmar Enterprises external batteries charge phone tablet laptop 50Wh energy juice power charge mobile device double battery life MacBook Air charge recharge bypass bypasses internal battery recharge cycles extended extends life BatteryOS LiIon lithium-ion batteries increased higher capacitydegrade over time 3000 full charge and discharge cycles MagSafe2 device charged USB /
UKO stormproof matches
Wind can't stop them, bury them, stamp on them, pour water on them, they'll go right on burning:
/ camping camp fire light lighter match campfire outdoors emergency waterproof case striker strikers lighting matches submerged in water wet burn /
/ camping camp fire light lighter match campfire outdoors emergency waterproof case striker strikers lighting matches submerged in water wet burn /
Wednesday, 26 March 2014
Jailbroken iPad triple boots iOS 5, iOS 6, & iOS 7 (video)
http://www.ubergizmo.com/2014/03/video-shows-jailbroken-ipad-triple-booting-ios-5-ios-6-and-ios-7/ / iOS update Apple release released update overhaul design user interface apps app designed new features update hacker boot version jailbreak winocm booting build /
Pac-Man fish tank — drivin’ fish crazy
Credit: Instructables member antoniraj/TechnaBob
http://technabob.com/blog/2014/03/24/pac-man-fish-tank/ / maze tank aquarium water gold fish project /
Forget black hats — the best hackers are going grey and getting legit
http://www.theregister.co.uk/2014/03/25/forget_black_hats_the_best_hackers_are_going_grey_and_getting_legit/ / bug bounty make going legit a tempting proposition report Rand Corporation increasing market software vulnerabilities sell sold legitimately legitimate tempting hackers crackers go legit vagaries black market code credentials economic seesaw market Michael Callahan VP security products Juniper Networks sell legitimate market verses selling sell online arms dealers driven economics black market lucrative drugs trade report risks police law enforcement is improving catch cyber criminals attackers upper hand double-crossing industry sellers black market bazar stolen credit cards and credentials bug bounty programs revenue security specialists legitimate source of income rewards major undiscovered vulnerabilities security organizations government buyers iOS zero-day serious Windows flaw flaw American government outspend market revenue streams malware generation exploit kits source illicit revenue market increasingly flooded dodgy practices security software /
How the ocean reins in global warming
http://web.mit.edu/newsoffice/2014/how-the-ocean-reins-in-global-warming.html / climate change response increasing anthropogenic emissions global warming greenhouse gases gasses excess heat accumulates Earth system thermal energy goes lower atmosphere land landmass Yavor Kostov graduate student Program in Atmospheres Oceans and ClimatePAOC MIT Department of Earth Atmospheric and Planetary Sciences EAPS saturated heat ocean’s capacity store heat global warming green house greenhouse gas CO2 carbon dioxide hot topic climate science climate models oceanic ocean heat uptake high-latitude regions North Atlantic Southern Ocean store heat different depths papers paper published Geophysical Research Letters predictions global warming over the coming centuries ocean circulation deep overturning circulation North Atlantic Ocean AMOC transports buries atmospheric heat Kyle Armour EAPS postdoc John Marshall MIT professor oceanography various assumptions major ocean feature model predictions Intergovernmental Panel on Climate Change IPCC projections deeper stronger AMOC capacity store heat delay long-term global warming stronger overturning circulation climate predictions cloud responses improve predictions future warming real-world measurements geographical location depth geographical location ocean heat uptake climate change /
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