Latest bookmarks (page 128 of 135)

"A content-agnostic election integrity framework for online platforms."

"A single mobile screen with almost no features still required 10 design changes to meet usability guidelines for mobile websites."

"The find sheds light on where the combatants in the Bronze Age battle came from."

"The cost of wind power contracts has fallen to $20 per megawatt-hour since 2009."

"...a lot of information gets put away into (1) an exclusive channel you need access to and (2) that is also an unorganized chat stream that is difficult to peruse and search within, and (3) is not future-proof."

"Time passed (months, as I recall). The Motorola guys pestered their Xerox field-support rep, to no avail. Finally they decided to take Direct Action, to demonstrate to Xerox management just how easily the system could be cracked, and just how thoroughly the system security systems could be subverted."

"Its shape was not all that made the Rainbow Pier unique."

"Solar- and wind-based EV charger originally designed for off-grid farms"

Nickel-hydrogen. Non-flammable. Can run 30,000 charge cycles.
"The cathode is nickel hydroxide and the anode is hydrogen. When the battery is charging, a catalytic reaction generates hydrogen gas. During discharge, the hydrogen oxidizes and converts back to water." Developed in the 1970s for space programs, needed platinum catalysts. recent development of a much cheaper nickel-molybdenum-cobalt alloy catalyst.