CNN: Dr.Ronald Mallett's Time Travel Machine Dr.Ronald Mallett explains his time travel machine on CNN. VIDEO-> Facebook Prev Article Next Article Videos Checkout these cool gadgets... Related Posts 3D Characters In Their World Bluetooth Hijack Japanese Custom Scooters The Evil Gummy Bear US Company to Start Trials ‘Reawakening the Dead’ Electric Skateboard USurfer Robert Steven Hawking Figured this out years ago. Why dosen’t he get this credit. Its all in his “Universe In A Nutshell.” Book. The door way made out of light. He even says in the book that it would have to be made of light, but said it would tear all matter to bits.