How to hide from a drone – the subtle art of 'ghosting' in the age of surveillance

Avoiding drones' prying eyes can be as complicated as donning a high-tech hoodie and as simple as ducking under a tree.

Austin Choi-Fitzpatrick, Associate Professor of Political Sociology, University of San Diego • conversation
July 28, 2020 ~7 min

Tags: facial-recognition demonstrations surveillance gps drones infrared mit-press civil-liberties mass-surveillance surveillance-systems us-protests face-surveillance

BeiDou: China launches final satellite in challenge to GPS

The completion of the BeiDou-3 navigation system comes as tensions rise between Beijing and Washington.

BBC Science News • bbcnews
June 23, 2020 ~3 min

Tags: china united-states space-exploration gps galileo-project satellite-navigation

Pairing lasers with microwaves makes mind-bogglingly accurate electronic clocks – a potential boon for GPS, cell phones and radar

Researchers have made some of the most accurate clocks imaginable in recent years, but the trick is harnessing those clocks to electronics. Using lasers to tune microwaves bridges the gap.

Franklyn Quinlan, Physicist, National Institute of Standards and Technology • conversation
May 22, 2020 ~7 min

Tags: physics astronomy dark-matter gravity laser gps cell-phones microwave black-holes metrology radar power-grid atomic-clocks frequency

Quantum entanglement could take GPS to the next level

New work on quantum entanglement could "improve the performance of any application that requires a network of sensors," researchers report.

Emily Dieckman-Arizona • futurity
April 20, 2020 ~9 min

Tags: physics light gps sensors electrons quantum-physics science-and-technology navigation radio-waves

Tiny gyroscope is 10,000X more accurate than your phone’s

A new gyroscope, so small it can fit on the tip of your finger, could help drones and driverless cars stay on track without a GPS signal.

Nicole Casal Moore-Michigan • futurity
March 23, 2020 ~5 min

Tags: gps drones glass science-and-technology navigation vibration gyroscopes

Balloon releases have deadly consequences – we're helping citizen scientists map them

Releasing balloons at weddings and other celebrations is festive, until they break into pieces and become plastic pollution. A citizen science project is spotlighting the problem.

Shannon Brines, Applied Geographer, Lecturer and Manager, Environmental Spatial Analysis Laboratory, University of Michigan • conversation
March 18, 2020 ~8 min

Tags:  data  citizen-science  wildlife  gps  plastic  mapping  litter  microplastics  great-lakes  plastic-pollution

Could the world cope if GPS stopped working?

Despite widespread reliance on the system, there is no universal plan to deal with GPS disruption.

By Tim Harford • bbcnews
Nov. 6, 2019 ~9 min

Tags: gps galileo-project

Math paves the way for fleets of connected drones

Getting fleets of drones to work together won't be easy, but new research is a step in the right direction.

Angie Hunt-Iowa State • futurity
May 3, 2019 ~4 min

Tags: internet gps drones algorithms featured science-and-technology navigation

Bees wearing backpacks could replace some drones

"Drones can fly for maybe 10 or 20 minutes before they need to charge again, whereas our bees can collect data for hours."

Sarah McQuate-Washington • futurity
Dec. 13, 2018 ~6 min

Tags: insects bees gps sensors drones featured science-and-technology

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