Why does kinetic energy increase quadratically, not linearly, with speed? (2011)

https://physics.stackexchange.com/questions/535/why-does-kinetic-energy-increase-quadratically-not-linearly-with-speed

#HackerNews #kineticenergy #physics #speed #scienceexplained #energyconservation

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🇧🇧 Bridgetown has deployed its “Caribbean Pulse” —a 850 kW kinetic footstep energy harvesting system integrated across 2.3 km of downtown pedestrian zones and the historic Garrison district ☀️👟⚡️🔋

Every step through the city’s busiest corridors now generates electricity through piezoelectric tiles embedded beneath the pavement. The system captures kinetic energy from an estimated 45,000 daily foot-traffic interactions, converting each footfall into micro-currents that feed into the island’s grid. During peak tourism seasons, the network produces enough clean energy to power 340 homes, while simultaneously reducing strain on Barbados’ diesel-dependent infrastructure by 22%, making Bridgetown the world’s first Caribbean capital to weaponize pedestrian movement as primary renewable infrastructure!

The initiative eliminated 410 tons of annual CO2 emissions while creating a sustainable revenue model that funds public space maintenance and urban renewal projects across three parishes.

每一步都是一首能量的诗歌，岛屿用脚下的节奏编织光明的未来。

🇧🇧 Bridgetown yapan bawon energi ak teknoloji, chanpèl soti nan mache a sila te tounen yon sous ki ba lavi ekosistèm dijital yo.

Bridgetown is proving that island communities don’t need to choose between tradition and innovation—they can dance toward both! 👟💚

#Bridgetown #Barbados #KineticEnergy #CaribbeanPulse #SustainableInnovation #PiezoelectricPower #IslandTech

Shan Light: Choreographing Time and Illumination

https://gregurbano.com/2026/01/29/shan-light-choreographing-time-and-illumination/

The Zipper: Temporal Geometry in Motion

https://gregurbano.com/2025/12/29/the-zipper-temporal-geometry-in-motion/

Good idea: turn motion into electricity, lead free

https://techxplore.com/news/2025-11-soft-hybrid-material-motion-power.html

Scientists have developed a new material that converts motion into electricity (piezoelectricity) with greater efficiency and without using toxic lead—paving the way for a new generation of devices that we use in everyday life.

Based on bismuth iodide, an inorganic salt with low toxicity, the new soft, hybrid material rivals the performance of traditional lead-based ceramics but with lower toxicity and easier processing. It contains no lead compared to existing high-performance alternatives such as PZT (lead zirconate titanate), which is 60% lead, and can be produced at room temperature rather than 1,000°C.

https://pubs.acs.org/doi/10.1021/jacs.5c15484

#electricity , #kineticenergy , #devices

Special thanks to @sendhelporcaffeine for trusting me to bring their amazing protoframe OC to life! This character is theirs, and it was an honor to create art from their vision. Excited to see their story unfold in the Starfinder Warframe one-shot!

#Protoframe #Warframe #OCArt #CharacterDesign #1999Era #SciFiArt #ArtCommission #OriginalCharacter #WarframeInspired #KineticEnergy #Cybernetic #Starfinder #OCWarframe #WarframeFanart #ArtCommunity

Sailing Through Time

Someone walking past a sail in Kinsale made for a nice slow-motion intentional camera movement photo.

#abstractPhotography #artisticPhotography #BlarneyPhotographyClub #Cork #CountyCork #experimentalPhotography #harbour #Ireland #kineticEnergy #Kinsale #LongExposure #maritimeArt #motionBlur #movement #Photo #Photography #redSail #sailing #sailingBoats #sailingPhotography #WestCork #yachts

Demonstrating Problem Solving: Gravitational Potential Energy

https://media.cooleysekula.net/w/wDeC2X6zGqCirY48EU4wSu

Demonstrating Problem Solving: Kinetic Energy and Work

https://media.cooleysekula.net/w/6WtzuYtHR5QQiRyz3v8KeH