Ever seen the bellows used to get fires started? They work by introducing more air (or the oxygen in it, specifically) to the combustion process. Automotive engines have their equivalent, and it's broadly referred to by the term forced induction, which comes in the form of supercharging and turbocharging.
Put simply, each of these is a compressor that forces more air into the combustion chamber, which in turn means proportionally more fuel can be injected into the mix, making for a much bigger bang – and therefore more power.
The basic difference between a supercharger and turbocharger is that the former is – in most cases – belt-driven by the engine (much like your car's alternator or air conditioning), whereas the latter features a turbine propelled by the motor's exhaust gases.
Turbocharging is nowadays far more prevalent because it's the more efficient solution – s it doesn't require engine power to spin it. That said, there is a bit of "lag" associated with turbos, because they only deliver meaningful boost at mid to high engine revs.
Some manufacturers get around this by resorting to twincharging, which combines a supercharger and turbocharger – the former to generate boost at low revs, the latter at higher engine speeds.
ENGLAND TEAM
England (15-1)
George Furbank; Jonny May, Manu Tuilagi, Owen Farrell (capt), Elliot Daly; George Ford, Ben Youngs; Tom Curry, Sam Underhill, Courtney Lawes; Charlie Ewels, Maro Itoje; Kyle Sinckler, Jamie George, Joe Marler
Replacements: Luke Cowan-Dickie, Ellis Genge, Will Stuart, George Kruis, Lewis Ludlam, Willi Heinz, Ollie Devoto, Jonathan Joseph
Series info
Test series schedule 1st Test, Abu Dhabi: Sri Lanka won by 21 runs; 2nd Test, Dubai: Play starts at 2pm, Friday-Tuesday
ODI series schedule 1st ODI, Dubai: October 13; 2nd ODI, Abu Dhabi: October 16; 3rd ODI, Abu Dhabi: October 18; 4th ODI, Sharjah: October 20; 5th ODI, Sharjah: October 23
T20 series schedule 1st T20, Abu Dhabi: October 26; 2nd T20, Abu Dhabi: October 27; 3rd T20, Lahore: October 29
Tickets Available at www.q-tickets.com
Stat Fourteen Fourteen of the past 15 Test matches in the UAE have been decided on the final day. Both of the previous two Tests at Dubai International Stadium have been settled in the last session. Pakistan won with less than an hour to go against West Indies last year. Against England in 2015, there were just three balls left.
Key battle - Azhar Ali v Rangana Herath Herath may not quite be as flash as Muttiah Muralitharan, his former spin-twin who ended his career by taking his 800th wicket with his final delivery in Tests. He still has a decent sense of an ending, though. He won the Abu Dhabi match for his side with 11 wickets, the last of which was his 400th in Tests. It was not the first time he has owned Pakistan, either. A quarter of all his Test victims have been Pakistani. If Pakistan are going to avoid a first ever series defeat in the UAE, Azhar, their senior batsman, needs to stand up and show the way to blunt Herath.
Dr Afridi's warning signs of digital addiction
Spending an excessive amount of time on the phone.
Neglecting personal, social, or academic responsibilities.
Losing interest in other activities or hobbies that were once enjoyed.
Having withdrawal symptoms like feeling anxious, restless, or upset when the technology is not available.
Experiencing sleep disturbances or changes in sleep patterns.
What are the guidelines?
Under 18 months: Avoid screen time altogether, except for video chatting with family.
Aged 18-24 months: If screens are introduced, it should be high-quality content watched with a caregiver to help the child understand what they are seeing.
Aged 2-5 years: Limit to one-hour per day of high-quality programming, with co-viewing whenever possible.
Aged 6-12 years: Set consistent limits on screen time to ensure it does not interfere with sleep, physical activity, or social interactions.
Teenagers: Encourage a balanced approach – screens should not replace sleep, exercise, or face-to-face socialisation.
Source: American Paediatric Association
