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FREQUENCY HOPPING COMMUNICATION SYSTEM EXPLAINED
In 1942, Hedy Lamarr co-patented a system to protect torpedo signals; 55 years later, the Hollywood star received recognition for her wireless innovationHedy Lamarr invention: Actress Hedy Lamarr and composer George Antheil developed a frequency-hopping communication system. Their 1942 paten...- A 1967 promise to keep space peaceful faces a new test: What happens when satellites become targets? America’s space weapons reveal a new battlefieldThe United States has deployed space control weapons, sparking global concerns about an orbital arms race. These systems are designed to de...
- British rap star Sway dead at 44. ‘Little Derek’ hitmaker was diagnosed with Hodgkin lymphoma in 2010. Learn more about the cancer, which often affects young peopleBritish rapper Sway, the first unsigned artiste to win an MOBO Award, has passed away. He was only 44. He was born in London to Ghanaian pa...
- You might be losing out on money in your savings account: Here's how monthly vs quarterly interest credit impacts your bank balanceWhile many banks credit the savings account interest quarterly, there are some that credit the amount monthly. Basically, monthly interest ...
- Two US-bound vessels apparently compromised by hackers, US officials sayUS Coast Guard and FBI personnel boarded two foreign-flagged commercial vessels bound for the United States last month after receiving indi...
- Quote of the day by Stephen Hawking:"We are just an advanced breed of monkeys on a minor planet of a very average star."Stephen Hawking posited that humanity's uniqueness lies in our capacity to grasp the universe's complexities. He believed this insight evol...
- Australia bans most international students from bringing family membersAustralia will restrict most international students from bringing family members under a new migration package aimed at lowering net overse...
- When Employees Are Held Accountable for AI-Generated DecisionsOrganizations are rushing to embed AI into core decisions, but frontline workers are left to explain outputs they neither created nor fully...
- Psychology says people who are not able to speak properly in front of a crowd aren't incapable: What public speaking anxiety means?Psychology says people who are not able to speak properly in front of a crowd aren't incapable or less intelligent. Public speaking anxiety...
- DRDO develops GaN chip: Meet Dr Meena Mishra, scientist behind the technology that was denied by other countries and why it matters for Indian defence platformsDr Meena Mishra, director of DRDO’s Solid State Physics Laboratory, has led work on indigenous Gallium Nitride-based Monolithic Microwave I...
- Quote of the day by Martin Cooper: ‘It’s good to let your mind run free. But an inventor needs a...’ — Life lessons from an inspirational quote on the courage to dream, and the discipline to make the dream realQuote of the day by Martin Cooper: “It’s good to let your mind run free” speaks to the value of imagination, curiosity and allowing ourselv...
- RBI proposes 60-day temporary debit hold on suspicious money mule transactions: Key things you need to know about RBI’s KYC directionsThe Reserve Bank of India has announced proposed regulations concerning money mule accounts, allowing banks to implement temporary debit ho...
- Daily vs weekly vs monthly SIP: Does investing more frequently create more wealth?A comparative study of daily, weekly, and monthly SIPs across 5 active equity fund categories and 5 time horizons offers a clear answer.
- Trai moves to keep legit AI calls off spam listTelecom regulator TRAI will soon introduce new rules for AI business calls. Businesses using automated systems must declare these calls to ...
- DRDO develops indigenous GaN technology for next-gen radars, electronic warfare; Tiny 3.5×3 mm chip delivers up to 30W power: Defence Ministry reportIndia's Defence Research and Development Organisation has made remarkable progress with the successful demonstration of cutting-edge high-f...
- Quote of the Day by Melanie Perkins: “It's important to tell the story, because if your audience doesn't understand the problem, they won't...” —Canva CEO's powerful lesson on communication, storytelling, entrepreneurship, business success, leadership, explaining ideas clearly, understanding your audience and turning innovative ideas into meaningful solutions and lasting impactQuote of the Day by Melanie Perkins "It's important to tell the story, because if your audience doesn't understand the problem, they won't ...
- 70 per cent of change in winter pollution in north India explained by western disturbances: StudyWestern disturbances may explain seventy percent of winter air pollution variations. More frequent storms typically bring cleaner air to no...
- Psychology says people raise their voice pitch when they want you to listen may be doing without realising itIt can be tempting to interpret a higher-pitched voice as a sign of anxiety, insecurity or low confidence, but psychology does not support ...
- Your nose may be talking directly to your brain: Scientists uncover a hidden nose-to-brain circuit that could explain why slow breathing calms anxietyScientists found a nose-to-brain pathway affecting emotional states in mice. Slow nasal airflow produced calming effects, while faster airf...
- A 2003 study shows how blue whale sounds travel more than 1,500 kilometers through a hidden ocean corridor discovered in World War II and how ships threaten itThe deep ocean serves as a natural sound superhighway for marine organisms, allowing low-frequency sounds to travel great distances through...
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