In 1905, Einstein unlocked a mystery of light that seemed almost impossible, unknowingly laying the foundation for smartphone cameras, solar panels, burglar alarms and technologies yet to comeAlbert Einstein explained the photoelectric effect in 1905. This interaction of light and matter powers many modern devices. His theory rev...
31 Aug, 2026, 02.17 PM IST
Five Chinese students build a low-cost device that lets divers send messages underwater without radioFive Chinese students have developed DiveGuard, a low-cost underwater communication system that uses acoustic signals to let divers and sur...
31 Aug, 2026, 01.05 PM IST
First drones, now missiles. The spending is certain, who gets the maximum is not: 14 stocks from the defence ecosystemThe defence sector’s positives are well known. But there are some unknowns. For “security reasons” we will never know how or why orders are...
30 Aug, 2026, 05.58 AM IST
Why does a microwave door have a metal mesh? The tiny holes are doing something importantThe metal mesh found on microwave doors serves an essential safety role. The small perforations allow for visibility while effectively bloc...
28 Aug, 2026, 08.47 PM IST
Nepal flash floods reason: What caused the deadly floods and why the region is at riskAn ice and rock avalanche caused massive flash floods in Nepal on Wednesday. At least 160 people died, and hundreds of tourists were report...
27 Aug, 2026, 11.00 AM IST
In 2013, balloons were launched by NASA near the North and South poles to study X-rays in Earth’s atmosphereIn 2013, balloons were launched by NASA near the North and South poles to study X-rays in Earth’s atmosphere as part of the Balloon Array f...
27 Aug, 2026, 12.46 AM IST
In 1989, a 185-page California climate report warned that a warming would slash the state's spring runoff by a full third. 30 years later, its warnings proved right, with mountain snow cover falling by half as droughts, floods and fires worsenedCalifornia received climate change warnings thirty years ago. These projections accurately predicted droughts, floods, and heat waves. The ...
26 Aug, 2026, 09.05 PM IST
Louisiana used 13 million pounds of discarded oyster shells to build 8,000 feet of living shoreline; studies found oyster reefs can reduce wave heights under some conditionsIn Louisiana, discarded oyster shells are being creatively transformed into living shorelines to combat coastal erosion and rising sea leve...
25 Aug, 2026, 03.00 PM IST
In 1992, deadly category 5 Hurricane Andrew caused massive destructions in Florida, 34 years later as rising sea level flooding threatens nearly 40 per cent of U.S. population, Miami, other areas are showing how to be ready for doomsdayAs global average temperatures climb because of fossil fuel emissions, so do sea levels, making low-lying coastal cities vulnerable to floo...
24 Aug, 2026, 09.27 PM IST
Earlier in 2026, a University of Sydney PhD student traced a 1.34497-hour radio pulse to a dead star. Today, its 1.368-hour orbit explains why the bursts repeatEarlier in 2026, a University of Sydney PhD student traced a 1.34497-hour radio pulse to a dead star. Today, its 1.368-hour orbit explains ...
22 Aug, 2026, 08.14 PM IST
In 2013, NASA beamed laser data from lunar orbit at 622 megabits per second, demonstrating faster space communications than radioIn 2013, NASA's Lunar Laser Communication Demonstration set a groundbreaking standard by achieving data transmission speeds of 622 megabits...
22 Aug, 2026, 02.30 PM IST
Since 1958, tidal groundwater has continued moving beneath Runit Dome in the Marshall Islands, where 85,000 cubic meters of radioactive material rest; now rising Pacific seas are raising questions about the future of the 115-meter-wide structureTidal groundwater moves freely beneath Runit Dome in the Marshall Islands. Built over a nuclear crater, the 115-meter concrete structure ho...
20 Aug, 2026, 09.08 PM IST
US heat wave could feel like 115°F as millions brace for dangerous daysA dangerous heat wave is affecting millions across the United States. Oppressive conditions are expected to continue into next week, with h...
14 Aug, 2026, 09.34 PM IST
Drone killer noise: Chandigarh scientist develops new anti-drone tech that destroy aerial threats without firing a single bullet or laser beamScientists developed an acoustic anti-drone system to disable unauthorized unmanned aerial vehicles. This technology uses sound waves to di...
14 Aug, 2026, 10.37 AM IST
US Army in 1946 sent radar pulse towards moon and something astonishing happened 2.5 seconds laterThe year 1946 saw a remarkable feat by the US Army as they bounced radar signals off the Moon, demonstrating that radio waves can traverse ...
13 Aug, 2026, 01.14 PM IST
New Jersey used 47 years of coastal storm data to uncover a hidden erosion threat; the result revealed damaging storm conditions at Sandy Hook now occur twice as often as they did in 1979Coastal erosion in New Jersey is changing as Sandy Hook now faces damaging storm conditions twice as often as 1979. Researchers used 47 yea...
10 Aug, 2026, 06.01 PM IST
In 2004, scientists found a way to detect hidden rail flaws without stopping trainsUniversity of Warwick researchers developed a new non-contact rail crack detection technology. This system uses electromagnetic acoustic tr...
05 Aug, 2026, 02.32 AM IST