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Interference

All articles tagged with #interference

Whale Calls Debunk a Physics Paradox: It’s All About Wave Interference
physics-and-chemistry5 days ago

Whale Calls Debunk a Physics Paradox: It’s All About Wave Interference

An oceanographer noticed humpback calls near Massachusetts appeared to exceed the speed of sound, but the effect isn’t physics breaking — it comes from interference between the direct sound and its surface-reflected echo reaching the hydrophone, making the strongest signal peak appear to arrive faster. This observer-relative illusion aligns with special relativity concepts, and the researchers propose experiments to verify this underwater SR-like phenomenon, with potential applications to light-based tests.

via Gizmodo|
#acoustics#interference#oceanography
Energy peaks can outpace their carrier wave via interference without breaking relativity
science12 days ago

Energy peaks can outpace their carrier wave via interference without breaking relativity

Researchers say a wave’s energy peak can reach a detector before the pulse that carries it through interference between a direct path and a reflected path. This can make the energy seem to travel faster than light, but information remains limited to the direct path’s speed, preserving relativity. The analysis is theoretical, based on acoustic and optical models, with no lab confirmation yet.

via Yahoo|
#energy#faster-than-light#interference
Weird Wi‑Fi Saboteurs and How to Beat Them
technology1 month ago

Weird Wi‑Fi Saboteurs and How to Beat Them

BBC’s feature explains that Wi‑Fi can be disrupted by quirky, everyday culprits—from microwaves (2.4 GHz) and water in fish tanks causing ‘shadowing’ to dense walls and signal reflections off mirrors or metal surfaces, with weather affecting outdoor infrastructure; practical fixes include central, high router placement, using 5 GHz where possible, and deploying extenders or mesh networks to eliminate dead zones.

via BBC|
#home#interference#networking
Minneapolis police chief resigns after probe finds interference with inquiry
politics3 months ago

Minneapolis police chief resigns after probe finds interference with inquiry

Minneapolis Police Chief Brian O’Hara resigned after Mayor Frey disciplined him for likely interfering with an investigation into alleged sexual relations with city staff; the independent probe could not substantiate the sexual-relations allegations but found he likely deleted a witness contact and discussed the probe against explicit orders. Assistant Chief Katie Blackwell will become acting chief; a renomination hearing had been planned, with council critics noting reform progress and budgeting concerns.

via MPR News|
#brian-ohara#interference#investigation
Hungary's vote tests Orban as Moscow-backed interference surges
world4 months ago

Hungary's vote tests Orban as Moscow-backed interference surges

Hungary’s 16-year leader Viktor Orban faces a tougher race against Péter Magyar, who leads in polls; Moscow is accused of escalating interference, including disinformation and a leaked plan to stage an assassination to sway the election, signaling a collusion between Hungary and Russia. A Magyar win could push Hungary away from Moscow but not sever ties overnight, as Russia remains poised to undermine any new government, with observer appointments and energy ties adding to the complexity.

via France 24|
#elections#hungary#interference
France-US row cools as envoy vows no meddling after summons
world6 months ago

France-US row cools as envoy vows no meddling after summons

US Ambassador Charles Kushner pledged not to interfere in France after missing a ministerial summons amid a row sparked by a US embassy post on violence; French Foreign Minister Jean-Noel Barrot had barred Kushner from direct access to ministers, but they spoke by phone and plan a face-to-face meeting to mend ties while France defends its right to public debate.

via BBC|
#barrot#france-us-relations#interference
Drew McIntyre Interferes at Royal Rumble, Sets Sights on Rhodes and Bloodline
sports6 months ago

Drew McIntyre Interferes at Royal Rumble, Sets Sights on Rhodes and Bloodline

During the Men’s Royal Rumble, Drew McIntyre appeared at ringside and hit a Claymore on Cody Rhodes, sending him out of the match. He later defended the move, saying Rhodes deserved to be eliminated and that he’s at his best when the champion, signaling ongoing beef with Rhodes and lingering feuds with The Bloodline. Roman Reigns won the Rumble, with rumors about CM Punk for WrestleMania, and McIntyre teased unfinished business with The Bloodline while urging the OTC to back him as a WrestleMania challenger if that path remains open.

via Wrestling Inc.|
#cody-rhodes#drew-mcintyre#interference
Macroscopic quantum state realized with 7,000-atom sodium nanoparticles
physics-and-mathematics6 months ago

Macroscopic quantum state realized with 7,000-atom sodium nanoparticles

Physicists demonstrated a macroscopic quantum superposition by sending a beam of 7,000-atom sodium nanoparticles through a narrow slit, which produced an interference pattern and set a new record for the size of objects observed in quantum states; the result points toward future experiments with larger, even biological, molecules in quantum superpositions.

via Live Science|
#interference#macroscopic-quantum-state#nanoparticles
Cuomo Looks to Trump for Support Amid Campaign Controversies
politics1 year ago

Cuomo Looks to Trump for Support Amid Campaign Controversies

Andrew Cuomo is hoping for support from Donald Trump and top Republicans to influence the New York City mayoral race, aiming to minimize GOP candidate Curtis Sliwa's vote and focus on defeating Zohran Mamdani, with Cuomo publicly denying seeking Trump's endorsement but privately considering cooperation. Cuomo also plans to influence the race by encouraging Mayor Eric Adams to withdraw, while Mamdani's campaign denies any plans to cancel the Israel Day Parade, emphasizing free speech rights. The article discusses political strategies, inter-party tensions, and the potential impact of national figures on local elections.

via Politico|
#cuomo#interference#mayoral-race
SpaceX Satellites and Human Devices Disrupt Cosmic Observations
science1 year ago

SpaceX Satellites and Human Devices Disrupt Cosmic Observations

A study analyzing 76 million radio telescope images found that SpaceX's Starlink satellites cause significant interference, affecting up to 30% of some datasets, with over 112,000 emissions detected from 1,806 satellites, including unintended emissions in protected radio bands, raising concerns about the impact on astronomical research and the need for updated regulations.

via Space|
#astronomy#interference#radio-telescope